Nokia Solutions and Networks T6DY1 Manual B

1
BTS Equipment Identification – continued
NOTE
1. Figure 1-17 identifies which BBXs are used for Omni and 2-Sector configurations.
2. The fourth PA quadrant (quadrant D) is populated with CLPAs only when the 4x4 ETM is used.
4. For an SC4812T BTS frame which has been converted to multicarrier capability, a fourth three–sector carrier, using BBX–10 through BBX–12, is supported in R16.4 and later software releases. In a converted multicarrier frame, PA slot 4 in all PA quadrants should never be populated. (see Figure 1-21).
Figure 1-18: BBXs Used for Omni and Two–Sector Operation
BBX–1
BBX–4
BBX–7
BBX–R
BBX–10
BBX–1
BBX–2
BBX–7
BBX–8
C–CCP (Omni) C–CCP (2 Sector)
BBX–4
BBX–5
BBX–11
BBX–10
BBX–R
1-38 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
BTS Equipment Identification – continued
Figure 1-19: TX Filter and 50 Termination Requirements for Omni, Two–sector, and Three–sector Configurations – OEM Multicarrier and Converted Multicarrier Frames (Minimum Power Configuration Shown)
Omni
1A 1B
MCM
1
S3
S2
S1
1C
CLPA
CLPACLPA
50W
TERMINATORS
TX FILTER
Three–Sector
1A 1B
MCM
1
CLPACLPA
Two–Sector
1A 1B
MCM
1
S3
S2
S1
1C 1D
CLPA CLPA
CLPACLPA
TERMINATOR
TX FILTERS
1
50W
CLPA
1C
S3
S2
S1
TX FILTERS
5/21/04 1X SC4812T–MC BTS Optimization/ATP 1-39
DRAFT
1
BTS Equipment Identification – continued
Figure 1-20: Omni, Two–sector, and Three–sector PA Configurations – OEM Multicarrier Frame
Minimum Power Configuration
3 x 3 ETM
1A 1B
MCM
1
S3
S2
S1
CLPA
1C
CLPACLPA
Maximum Power Configuration
3 x 3 ETM
CLPA
CLPA
1A 1B
MCM
1C
3A
1
S3
S2
S1
2A
CLPA
CLPA
CLPA
CLPA
4B 4A
2B
CLPACLPA
CLPA
3B
50 W
50 W
50 W
TERMINATIONS
TERMINATIONS
TERMINATIONS
and/or
and/or
and/or
TX Filters
TX Filters
TX Filters
(See NO TAG)
(See NO TAG)
(See NO TAG)
50 W
50 W
50 W
TERMINATIONS
TERMINATIONS
TERMINATIONS
and/or
and/or
and/or
TX Filters
TX Filters
TX Filters
(See NO TAG)
(See NO TAG)
(See NO TAG)
Minimum Power Configuration
4 x 4 ETM
1A 1B
MCM
1
S3
S2
S1
CLPA CLPA
1C 1D
CLPACLPA
Maximum Power Configuration
4 x 4 ETM
CLPA
CLPA
1A 1B
MCM
1C
3A
1
S3
S2
S1
2A
CLPA
CLPA
CLPA
CLPA
4B 4A
2B
CLPACLPA
CLPA
CLPA
3B
1D
CLPA
CLPA
2C
4C
CLPA
3C
CLPA
CLPA
2C
4C
CLPA
3C
CLPA
CLPA
2D
4D
CLPA
3D
1-40 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
BTS Equipment Identification – continued
Figure 1-21: Omni, Two–sector, and Three–sector PA Configurations – Converted Multicarrier Frame
1
Minimum Power Configuration
3 x 3 ETM
1A 1B
MCM
1
S3
S2
S1
CLPA
1C
CLPACLPA
Maximum Power Configuration
3 x 3 ETM
CLPA
1A 1B
MCM
1C
3A
1
S3
S2
S1
2A
CLPA
CLPA
CLPA
2B
CLPACLPA
CLPA
3B
50 W
50 W
50 W
TERMINATIONS
TERMINATIONS
TERMINATIONS
and/or
and/or
and/or
TX Filters
TX Filters
TX Filters
(See NO TAG)
(See NO TAG)
(See NO TAG)
50 W
50 W
50 W
TERMINATIONS
TERMINATIONS
TERMINATIONS
and/or
and/or
and/or
TX Filters
TX Filters
TX Filters
(See NO TAG)
(See NO TAG)
(See NO TAG)
Minimum Power Configuration
4 x 4 ETM
1A 1B
MCM
1
S3
S2
S1
CLPA CLPA
1C 1D
CLPACLPA
Maximum Power Configuration
4 x 4 ETM
CLPA
1A 1B
MCM
1C
3A
1
S3
S2
S1
2A
CLPA
CLPA
CLPA
2B
CLPACLPA
CLPA
CLPA
3B
1D
CLPA
2C
CLPA
3C
CLPA
2C
CLPA
3C
CLPA
2D
CLPA
3D
5/21/04 1X SC4812T–MC BTS Optimization/ATP 1-41
DRAFT
1
BTS Equipment Identification – continued
Figure 1-22: Six–sector PA Configurations – OEM Multicarrier Frames Only
Minimum Power Configuration
3 x 3 ETM
1A 1B
MCM
1
3A
CLPA
CLPA
CLPA
1C
3C
S3
S2
S1
MCM
S6
S5
S4
2
CLPACLPA
CLPA
3B
Maximum Power Configuration
3 x 3 ETM
CLPA
CLPA
CLPA
CLPA
1A 1B
MCM
1C
3C
3A
1
S3
S2
S1
MCM
2
S6
S5
S4
2A
CLPA
CLPA
2C
CLPA
4C
CLPA
CLPA
2B
4B 4A
CLPACLPA
CLPA
3B
TX FILTERS
TX FILTERS
TX FILTERS
TX FILTERS
Minimum Power Configuration
4 x 4 ETM
1A 1B
MCM
1
3A
CLPA
CLPA
CLPA
1C
3C
S3
S2
S1
MCM
S6
S5
S4
2
CLPACLPA
CLPA
CLPA
CLPA
3B
1D
3D
Maximum Power Configuration
4 x 4 ETM
CLPA
CLPA
CLPA
CLPA
1A 1B
MCM
1C
3C
3A
S3
S2
S1
MCM
S6
S5
S4
1
2
2A
CLPA
CLPA
2C
CLPA
4C
CLPA
CLPA
CLPA
CLPA
2B
4B 4A
2D
4D
CLPACLPA
CLPA
CLPA
CLPA
3B
1D
3D
1-42 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Chapter 2: Preliminary Operations
Table of Contents
Guide Book 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Document Overview 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Is In This Guide? 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Book Catalogs and Organization 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Book Directory 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Catalogs 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical Page Layouts 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/A4 Page and Margin Sizes 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/A4 Page Text Area 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/A4 Page Components 1–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frame and Table Components 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frames With Tools 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flow Charts and Block Diagrams 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Drawings 1–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table Types In This Template 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Item/Description Table 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step Table 1–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step/Check Table 1–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2
Component Descriptions 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conclusions 1–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Title Goes Here lkjsfdg Sfdkgj Msfd N lkas K lkjsdfl kB lkj fgcb 1–17. . . . . .
Block Label Goes Here 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Label Goes Here 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Label Goes Here 1–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Label Goes Here 1–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Title Goes Here 1–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5/21/04 1X SC4812T–MC BTS Optimization/ATP
DRAFT
Table of Contents – continued
Notes
2
1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Overview
Introduction
Cell Site Types
CDF or NEC
This section first verifies proper frame equipage. This includes verifying module placement, jumper, and dual in–line package (DIP) switch settings against the site-specific documentation supplied for each BTS application. Next, pre-power up and initial power-up procedures are presented.
Sites are configured as Omni with a maximum of 4 carriers, 3–sectored with a maximum of 4 carriers, and 6–sectored with a maximum of 2 carriers. Each type has unique characteristics and must be optimized accordingly. For more information on the differences in site types, please refer to the 1X SC 4812T-MC BTS Hardware Installation manual.
The Configuration Data File (CDF) (circuit BTS) or Network Element Configuration (NEC) files (packet BTS) contains site type and equipage data information and passes it directly to the LMF during optimization. The number of modem frames, C–CCP shelves, BBX boards, MCC boards (per cage), and power amplifier assignments are some of the equipage data included in the CDF or NEC files.
CAUTION
2
Site Equipage Verification
Be sure that the correct bts–#.cdf and cbsc–#.cdf or
NECB*bts#.xml and NECJ*bts#.xml files are used for
the BTS. These should be the CDF or NEC files that are provided for the BTS by the OMC–R. Failure to use the correct CDF or NEC files can cause system errors. Failure
to use the correct CDF or NEC files to log into a live (traffic carrying) site can shut down the site.
Review the site documentation. Match the site engineering equipage data to the actual boards and modules shipped to the site. Physically inspect and verify the equipment provided for the BTS or Modem frame and ancillary equipment frame.
CAUTION
Always wear a conductive, high impedance wrist strap while handling any circuit card/module to prevent damage by ESD. After removal, the card/module should be placed on a conductive surface or back into the anti–static shipping bag.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 2-1
DRAFT
Overview – continued
Initial Installation of Boards/Modules
2
Table 2-1: Initial Installation of Boards/Modules
Step Action
1 Refer to the site documentation and install all boards and modules into the appropriate shelves as
required. Verify they are NOT SEATED at this time.
Follow the procedure in Table 2-1 to verify the initial installation of boards/modules.
NOTE
The Switch Card has a configuration switch that must match the site configuration (see Figure 2-1).
2 As the actual site hardware is installed, record the serial number of each module on a “Serial Number
Checklist” in the site logbook.
NOTE
Configuration Switch in Figure 2-1 shown for 3 Sector Multicarrier BTS. (Switches 1 and 4 control configuration)
For Multicarrier, switch 1 should be Down; switch 4 depends on whether the frame supports 3 or 6 sector.
2-2 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Overview – continued
Figure 2-1: Switch Card
Switch Card
2
SHIELDS
J1
J2
J3
J4
J5
BTS
Setting Frame C–CCP Shelf Configuration Switch
MF
Configuration Switch
ON
1234
3 Sector 6 Sector
ti-CDMA-WP-00039-v01-ildoc-ftw
The backplane switch settings behind the fan module nearest the breaker panel should be set as shown in Figure 2-2.
The switch setting must be verified and set before power is applied to the BTS equipment.
S Starter Frame – all dip switches set to ON (UP) S Expansion Frame – all dip switches ON (UP) except
MODEM_FRAME_ID_0 OFF (DOWN)
5/21/04 1X SC4812T–MC BTS Optimization/ATP 2-3
DRAFT
Overview – continued
Figure 2-2: Backplane DIP Switch Settings
2
ALL SWITCHES ON (UP) EXCEPT MO-
ALL SWITCHES ON (UP)
DEM_FRAME_ID_0 OFF (DOWN)
ON
OFF
RIGHT / LEFT
BOTTOM / TOP
EXPANSION FRAME SETTING
MODEM_FRAME_ID_1
MODEM_FRAME_ID_0
ON
OFF
CONTROLLED
REAR
FRONT
Power Supply
Power Supply
19 mm Filter Panel
SPEED
FAN
MODULE
PWR/ALM
Power Supply
RIGHT / LEFT
BOTTOM / TOP
CONTROLLED
REAR
FRONT
GLI–1GLI–2
MCC–3
MCC–2
MCC–1
AMR / MACH
MODEM_FRAME_ID_1
SPEED
FAN
MODULE
PWR/ALM
MCC–6
MCC–5
MCC–4
STARTER FRAME SETTING
MODEM_FRAME_ID_0
BBX–1
BBX–2
BBX–3
BBX–4
BBX–5
BBX–6
BBX–R
MCIO
FAN MODULE
REMOVED
MPCMPC
HSO
CSM
CSM
CCD CCD
BBX–7
BBX–8
MCC–11
MCC–12
BBX–9
BBX–10
BBX–11
BBX–12
MCC–8
MCC–7
AMR / MACH
39 mm Filter Panel
MCC–9
MCC–10
SC 4812T C–CCP SHELF
Switch
ti-CDMA-WP-00211-v01-ildoc-ftw REF
2-4 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Pre–Power Up Tests
Objective
Test Equipment
Cabling Inspection
This procedure checks for any electrical short circuits and verifies the operation and tolerances of the cellsite and BTS power supply units prior to applying power for the first time.
The following test equipment is required to complete the pre–power–up tests:
S Digital Multimeter (DMM)
CAUTION
Always wear a conductive, high impedance wrist strap while handling the any circuit card/module to prevent damage by ESD.
Using the site-specific documentation generated by Motorola Systems Engineering, verify that the following cable systems are properly connected:
S Receive RF cabling – up to 12 RX cables
2
S Transmit RF cabling – up to six TX cables
S GPS
DC Power Pre-test (BTS Frame)
Before applying any power to the BTS frame, follow the procedure in Table 2-2 while referring to Figure 2-3 to verify there are no shorts in the BTS frame DC distribution system.
Table 2-2: DC Power Pre–test (BTS Frame)
Step Action
1 Physically verify that all DC power sources supplying power to the frame are OFF or disabled.
2 On each frame:
S Unseat all circuit boards (except CCD and CIO cards) in the C–CCP shelf and LPA shelves, but
leave them in their associated slots.
S Set C–CCP shelf breakers to the OFF position by pulling out power distribution breakers (labeled
C–CCP 1, 2, 3) located on the power distribution panel.
S Set LPA breakers to the OFF position by pulling out the LPA breakers (8 breakers, labeled 1A–1B
through 4C–4D) located on the power distribution panel.
Continue with Step 3 for –48 V or Step 4 for +27 V.
. . . continued on next page
5/21/04 1X SC4812T–MC BTS Optimization/ATP 2-1
DRAFT
Pre–Power Up Tests – continued
Table 2-2: DC Power Pre–test (BTS Frame)
Step Action
2
3 For –48 V configurations ONLY:
Verify the resistance on the –48 V bus:
– Remove the Power Supply Modules (PSMs).
– Verify that the resistance from the power (–) feed terminal with respect to the ground terminal on
the top of the frame measures >
Verify the resistance on the +27 V bus:
– Remove PSM#1 or the filler panel.
! CAUTION
Do not put probes inside Elcon connectors.
– Place the Digital Multimeter probes on the mounting screws on the Elcon connector (bottom two
Elcon connectors).
– If reading is < 500
breaker. Isolate the problem before proceeding. A reading > 3 M missing) bleeder resistor (installed across the filter capacitors behind the breaker panel).
Ω, a short may exist somewhere in the DC distribution path supplied by the
500 (see Figure 2-3).
could indicate an open (or
4 For +27 V configurations ONLY:
Verify that the resistance from the power (+ or –) feed terminals with respect to the ground terminal on the top of the frame measures >
– If reading is < 500
Ω, a short may exist somewhere in the DC distribution path supplied by the
breaker. Isolate the problem before proceeding. A reading > 3 M
500 (see Figure 2-3).
could indicate an open (or
missing) bleeder resistor (installed across the filter capacitors behind the breaker panel).
5 Set the C–CCP breakers to the ON position by pushing them IN one at a time. Repeat Step 3 (for
–48 V) or Step 4 (for +27 V) after turning on each breaker.
NOTE
If the multimeter stays at 0 after inserting any board/module, a short probably exists in that board/module. Replace the suspect board/module and repeat the test. If test still fails, isolate the problem before proceeding.
6 Insert and lock the DC/DC converter modules for the C–CCP shelf and into their associated slots one
at a time. Repeat Step 3 (for –48 V) or Step 4 (for +27 V) after inserting each module.
– A typical response is that the ohmmeter steadily climbs in resistance as capacitors charge, finally
indicating approximately 500
Ω.
! CAUTION
Verify the correct power/converter modules by observing the locking/retracting tabs appear as follows:
STPN4009B
PWR C–CCP 4812 +27V
7 Insert and lock all remaining circuit boards and modules into their associated slots in the C–CCP shelf.
Repeat Step 3 (for –48 V) or Step 4 (for +27 V) after inserting and locking each board or module.
– A typical response is that the ohmmeter steadily climbs in resistance as capacitors charge,
stopping at approximately 500
Ω..
. . . continued on next page
2-2 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Pre–Power Up Tests – continued
Table 2-2: DC Power Pre–test (BTS Frame)
Step Action
8 Set the LPA breakers ON by pushing them in. Repeat Step 3 (for –48 V) or Step 4 (for +27 V) after
turning on each breaker.
– A typical response is that the ohmmeter will steadily climb in resistance as capacitors charge,
stopping at approximately 500
NOTE
Engage circuit breakers only for LPAs that are equipped.
9 In the –48V BTS, insert PSMs one at a time in their associated slots, verifying that LED is green.
Repeat Step 3 after inserting each module.
10 Seat all LPA and associated LPA fan modules into their associated slots in the shelves one at a time.
Repeat Step 3 (for –48 V) or Step 4 (for +27 V) after seating each LPA and associated LPA fan module.
S A typical response is that the ohmmeter will steadily climb in resistance as capacitors charge,
stopping at approximately 500
Ω..
Ω..
2
5/21/04 1X SC4812T–MC BTS Optimization/ATP 2-3
DRAFT
Pre–Power Up Tests – continued
Figure 2-3: +27V Breaker Panel (–48V is similar)
TOP OF FRAME
2
DC FILTER 1 DC FILTER 2
GND
1A
3A
1B
3B
1C
3C
1D
3D
INPUT
CONNECTOR/
DC FILTER
2A
4A
2B
4B
L P
2C
A
4C
2D
4D
1
2
3
50 50 50 50 50 50 50 50 50 50
50
C C C P
FILLER
PLATE
ti-CDMA-WP-00224-v01-ildoc-ftw
2-4 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Initial Power Up Tests & Procedures
Power-up Procedures
Potentially lethal voltage and current levels are routed to the BTS equipment. This test must be performed with a second person present, acting in a safety role. Remove all rings, jewelry, and wrist watches prior to beginning this test.
DC Input Power
In the tests to follow, power will first be verified at the input to each BTS frame. After power is verified, cards and modules within the frame itself will be powered up and verified one at a time.
Before applying any power, verify the correct power feed and return cables are connected between the power supply breakers and the power connectors at the top of each BTS frame. Verify correct cable position referring to Figure 2-3.
2
WARNING
NOTE
For positive power applications (+27 V):
S The positive power cable is red. S The negative power cable is black.
For negative power applications (–48 V):
S The negative power cable is red or blue. S The positive power cable (ground) is black.
Motorola recommends that the DC input power cable used to connect the frame to the main DC power source conforms to the guidelines outlined in Table 2-3.
Table 2-3: DC Input Power Cable Guidelines
Maximum Cable Length Wire Size
30.38 m (100 ft) 107 mm2 (AWG #4/0)
54.864 m (180 ft) 185 mm2 (350 kcmil)
Greater that 54.864 m (180 ft) Not recommended
NOTE
Make sure the connector adapters are securely attached to each of the BTS power feeds and returns. Also, make sure the cables have been properly installed into each connector.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 2-5
DRAFT
Initial Power Up Tests & Procedures – continued
Common Power Supply Verification
2
Table 2-4: Common Power Supply Verification
Step Action
1 Physically verify that all DC power sources supplying the frame are OFF or disabled.
The procedure in Table 2-4 must be performed on any BTS frame connected to a common power supply at the site after the common power
supply has been installed and verified per the power supply OEM suggested procedures.
Perform the following steps to verify the power input is within specification before powering up the individual cards/modules with the frames themselves.
CAUTION
While handling any circuit card/module, always wear a conductive, high impedance wrist strap to prevent damage by ESD. Extreme care should be taken during the
removal and installation of any card/module. After removal, the card/module should be placed on a conductive surface or back into the anti–static bag in which it was shipped.
2 On each frame:
S Unseat all circuit boards (except CCD and CIO cards) in the C–CCP shelf and LPA shelves, but
leave them in their associated slots.
S Set breakers to the OFF position by pulling out C–CCP and LPA breakers (see Figure 2-3 for
breaker panel layout if required).
– C–CCP shelf breakers are labeled CCCP–1, 2, 3.
– LPA breakers are labeled 1A–1B through 4C–4D.
3 On –48 V BTS: Remove the –48 V to +27 V Power Supply Modules.
4 Inspect input cables, verify correct input power polarity via decal on top of frame.
5 Apply power to BTS frames, one at a time, by setting the appropriate breaker in the power supply that
supplies the frame to the ON position.
6 After power is applied to each frame, use a digital voltmeter to verify power supply output voltages at
the top of each BTS frame are within specifications:
On –48 V BTS: –48 Vdc
On +27 V BTS: +27 Vdc nominal
7 On –48 V BTS: Plug in PSMs one at a time and verify ’Green’ LEDs on PSMs light.
Initial Power-up (BTS)
nominal
The procedure must be performed on each frame after input power from the common power supply has been verified. Follow the steps in Table 2-5 to apply initial power to the cards/modules within the frame itself, verifying that each is operating within specification.
2-6 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Initial Power Up Tests & Procedures – continued
Table 2-5: Initial Power–up (BTS)
Step Action
1 At the BTS, set the C–CCP (POWER) power distribution breakers (see Figure 2-3) to the ON position
by pushing in the breakers.
2 Insert the C–CCP fan modules. Observe that the fan modules come on line.
3
! CAUTION
Verify the correct C–CCP power supplies by observing the locking/retracting tabs appear as follows:
STPN 4009B
PWR C–CCP 4812 +27V
Insert and lock the power supplies into their associated slots one at a time.
If no boards have been inserted, all three PWR/ALM LEDs would indicate RED to notify the user
that there is no load on the power supplies.
– If the LED is RED, do not be alarmed. After Step 4 is performed, the LEDs should turn GREEN;
if not, then a faulty power supply is indicated and should be replaced before proceeding.
4 Seat and lock all remaining circuit cards and modules in the C–CCP shelf into their associated slots.
5 Seat the first equipped PA module pair into the assigned slot in the upper PA shelf including PA fan.
2
6 Repeat Step 5 for all remaining PAs.
NOTE
Engage circuit breakers only for PAs that are equipped.
7 Set the PA breakers to the ON position (per configuration) by pushing them IN. See NO TAG for
breaker panel layout.
Engage (push) PA circuit breakers.
S Confirm LEDs on PAs light.
8 After all cards/modules have been seated and verified, use a digital voltmeter to verify power supply
output voltages at the top of the frame remain within specifications:
On –48 V BTS: –48 Vdc
On +27 V BTS: +27 Vdc nominal
9 Repeat Steps 1 through 8 for additional co–located frames (if equipped).
nominal
5/21/04 1X SC4812T–MC BTS Optimization/ATP 2-7
DRAFT
Initial Power Up Tests & Procedures – continued
Notes
2
2-8 1X SC4812T–MC BTS Optimization/ATP 5/21/04
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Chapter 3: Optimization and Calibration
Table of Contents
Guide Book 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Document Overview 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
What Is In This Guide? 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Book Catalogs and Organization 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Book Directory 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Catalogs 1–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical Page Layouts 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/A4 Page and Margin Sizes 1–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/A4 Page Text Area 1–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A/A4 Page Components 1–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frame and Table Components 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Frames With Tools 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flow Charts and Block Diagrams 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Line Drawings 1–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table Types In This Template 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Item/Description Table 1–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step Table 1–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Step/Check Table 1–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3
Component Descriptions 1–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Conclusions 1–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Title Goes Here lkjsfdg Sfdkgj Msfd N lkas K lkjsdfl kB lkj fgcb 1–17. . . . . .
Block Label Goes Here 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Label Goes Here 1–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Label Goes Here 1–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Block Label Goes Here 1–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Map Title Goes Here 1–22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5/21/04 1X SC4812T–MC BTS Optimization/ATP
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Table of Contents – continued
Notes
3
1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Introduction to Optimization & Calibration
Overview
This section describes procedures for isolating the BTS from the span lines, preparing and using the LMF, downloading system operating software, CSM reference verification/optimization, set up and calibration of the supported test equipment, transmit/receive path verification, and verifying the customer defined alarms and relay contacts are functioning properly.
NOTE
Before using the LMF, use an editor to view the “CAVEATS” section in the “readme.txt” file in the c:\wlmf folder for any applicable information.
Optimization Process Summary
3
After a BTS is physically installed and the preliminary operations, such as power up, have been completed, the LMF is used to optimize the BTS. The basic optimization process consists of the following:
1. Download MGLI–1 with code and data and then enable MGLI–1.
NOTE
GLIs may be GLI2s or GLI3s.
2. Use the status function and verify that all of the installed devices of the following types respond with status information: CSM, BBX, GLI, and MCC. If a device is installed and powered up but is not responding and is colored gray in the BTS display, the device is not listed in the CDF or NEC files. The CDF or NEC files must be corrected before the device can be accessed by the LMF.
3. Download code and data to all devices of the following types:
– CSM
– BBX (multicarrier uses BBX–1X)
– GLI (other than MGLI–1)
– MCC (may be MCC–8E, MCC24, or MCC–1X)
4. Verify the operation of the GPS and HSO signals.
5. Enable the following devices (in the order listed):
– Secondary CSM
– Primary CSM
– All MCCs
6. Connect the required test equipment for a full optimization.
7. Select the test equipment.
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Introduction to Optimization & Calibration – continued
8. Calibrate the TX and RX test cables if they have not previously been calibrated using the CDMA LMF that will be used for the optimization/calibration. The cable calibration values can also be entered manually.
NOTE
All PAs must be INS during any TX testing.
3
Cell Site Types
Configuration Files
9. If the TX calibration fails, repeat the optimization for any failed paths.
10. If the TX calibration fails again, correct the problem that caused the failure and repeat the optimization for the failed path.
11. If the TX calibration and audit portion of the optimization passes for a path but some of the TX or RX tests fail, correct the problem that caused the failure and run the individual tests as required until all TX and RX tests have passed for all paths.
Sites are configured as Omni/Omni or Sector/Sector (TX/RX). Each type has unique characteristics and must be optimized accordingly.
NOTE
For more information on the differences in site types, refer to the applicable BTS Hardware Installation manual.
The Configuration Data File (CDF) and the Network Element Configuration (NEC) files contain information that defines the BTS and data used to download files to the devices. The BTS CDF ( and CBSC CDF (cbsc–#.cdf) files are used by circuit BTSs. The NEC Base (NECB –
NECJ*bts#.xml) files are used by packet BTSs. CDF or NEC files
must be placed in the applicable BTS folder before the LMF can be used to log into that BTS. CDF and NEC files are normally obtained from the CBSC using a floppy disk. A file transfer protocol (ftp) method can be used if the LMF computer has that capability.
NECB*bts#.xml) and NEC Journaling (NECJ –
bts–#.cdf)
The CDF and NEC files include the following information:
S Download instructions and protocol S Site specific equipage information S C–CCP shelf allocation plan
– BBX equipage (based on cell–site type) including redundancy – CSM equipage including redundancy – MCC (MCC24E, MCC8E, or MCC–1X) channel element allocation
plan. This plan indicates how the C–CCP shelf is configured, and how the paging, synchronization, traffic, and access channel elements (and associated gain values) are assigned among the (up to
12) MCCs in the shelf.
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Introduction to Optimization & Calibration – continued
S CSM equipage including redundancy
S Effective Rated Power (ERP) table for all TX channels to antennas
respectively. Motorola System Engineering specifies the ERP of a transmit antenna based on site geography, antenna placement, and government regulations. Working from this ERP requirement, the antenna gain, (dependent on the units of measurement specified) and antenna feed line loss can be combined to determine the required power at the top of the BTS frame. The corresponding BBX output level required to achieve that power level on any channel/sector can also be determined.
NOTE
Refer to the LMF Help function on–line documentation for additional information on the layout of the LMF directory structure (including CDF or NEC file locations and formats).
3
BTS System Software Download
BTS system software must be successfully downloaded to the BTS processor boards before optimization can be performed. BTS operating code is loaded from the LMF computer terminal.
CAUTION
Before using the LMF for optimization/ATP, the correct
bts–#.cdf and cbsc–#.cdf or NECB*bts#.xml and NECJ*bts#.xml files for the BTS must be obtained from
the OMC–R and put in a bts–# folder in the LMF. Failure to use the correct CDF or NEC files can cause improper or unpredictable BTS operation. Failure to use the correct
CDF or NEC files to log into a live (traffic carrying) site can shut down the site.
The CDF or NEC files are normally obtained from the OMC–R on a DOS formatted diskette, or through a file transfer protocol (ftp) if the LMF computer has ftp capability. Refer to the LMF Help function on–line documentation for the procedure.
Site Equipage Verification
If it has not already done, use an editor to view the CDF or NEC files, and review the site documentation. Verify the site engineering equipage data in the CDF or NEC files matches the actual site hardware using a CDF or NEC file conversion table.
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Introduction to Optimization & Calibration – continued
CAUTION
Use extreme care not to make any changes to the CDF or NEC file content while viewing the file. Changes to the CDF or NEC file can cause the site to operate unreliably or render it incapable of operation.
3
CAUTION
Always wear an approved anti–static wrist strap while handling any circuit card/module to prevent damage by ESD. Extreme care should be taken during the removal and installation of any card/module. After removal, the card/module should be placed on a conductive surface or back into the anti–static container in which it was shipped.
3-4 1X SC4812T–MC BTS Optimization/ATP 5/21/04
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Preparing the LMF
Overview
Overview of Packet BTS files
Before optimization can be performed, the LMF application software must be installed and configured on a computer platform meeting Motorola–specified requirements (see Recommended Test Equipment and Software in Chapter 1).
Software and files for installation and updating of the LMF are provided on CD ROM disks. The following installation items must be available:
S LMF Program on CD ROM (see page NO TAG for current supported
version of LMF)
S CDF or NEC files for each supported BTS (on diskette or available
from the CBSC)
S CBSC CDF file for each supported circuit BTS (on diskette or
available from the CBSC)
The following section provides information and instructions for installing and updating the LMF software and files.
3
R16.0 and earlier software releases used the CDF configuration file for each BTS and CBSC supported by the LMF. In a packet BTS operating with Software Release 16.1 or later, the CDF is replaced by the NEC files. There are two NEC files. These are:
S NEC Base (NECB) file S NEC Journal (NECJ) file
The NECB contains the baseline configuration information and is analogous to the CDF, while the NECJ contains all the changes made to the configuration since the last time the NECB was re–generated. Once the NECJ reaches 80% of its maximum size, the NECB is re–generated by the OMC–R, and all updates from the NECJ file are rolled into it.
The NEC files play much more extensive role than the previously–used CDF files.
Additional important, LMF–related facts about the the NEC files are:
S Both files (NECB and NECJ) are in eXtensible Markup Language
(XML) format.
S NECB contains all the up-to-date static configuration information and
NECJ contains all the recent changes (including operations) which are not updated in the NECB.
S Both files can be viewed in any XML viewer (most easily available is
Internet Explorer V5.0 and higher). They can be also viewed by any other word or text processor, but the XML tags will also be seen when using these types of applications.
S These files will be created by OMC–R from MIB and reflect the BTS
provisioning.
S These files will be regenerated for each software release upgrade on
the system for each BTS.
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Preparing the LMF – continued
S Unlike the CDF file, the NEC files will reside on both OMC–R and
GLI3s operating in packet mode. The NEC files will be synchronized periodically between the OMC–R and GLI3s in each BTS.
S Both the NECB and NECJ files contain a “SoftwareVersion” field in
their header section indicating the system release version of these files.
S Instead of the bts–#.cdf file, the packet LMF uses
NECB*bts#.xml and NECJ*bts#.xml files, which are copies of the
3
NEC files.
S A GLI3 operating in packet mode will need the NECB and NECJ files
for site initialization.
S The scope of the NEC files has grown much broader than that of the
CDF and has much more BTS–centric information. This is principally because the role of the GLI card has expanded significantly with the introduction of the GLI3 card and packet backhaul.
CAUTION
LMF File Structure Overview
Figure 3-1: LMF Folder Structure
(C:)
x:\<lmf home directory> folder
cdma folder
bts–# folders (A separate folder is required
for each BTS where bts–# is the unique BTS number; for example, bts–163.)
Never use a generic NEC file. The specific, site–unique information for the BTS must be included in the NEC file for the site to operate properly.
The LMF uses a <x>:\lmf home directory> folder that contains all of the essential data for installing and maintaining the BTS. The following list outlines the folder structure for LMF. Except for the bts–# folders, these folders are created as part of the the LMF installation. Refer to the CDMA LMF Operator’s Guide for a complete description of the folder structure.
loads folder
version folder (A separate folder is required for each different version; for example, a folder name 2.8.1.1.1.5.)
code folder
data folder
3-6 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Preparing the LMF – continued
LMF Home Directory
NOTE
The “loads” folder and all the folders below it are not available from the LMF for Software Release R2.16.4.1. These folders may be present as as a legacy from previous software versions or downloaded from the CBSC/OMC–R.
Any existing code in the directory is not affected by an SR
16.1 installation.
3
The user will need to manually add the directories to a newly installed LMF when they add the code loads to be downloaded.
The CDMA LMF installation program creates the default home directory, c:\wlmf, and installs the application files and subdirectories (folders) in it. Because this can be changed at installation, the CDMA LMF home directory will be referred to with the generic convention of:
Filename Conventions and Directory Location
<x>:\<lmf home directory>
Where:
<x> = the LMF computer drive letter where the CDMA LMF home directory is located.
<lmf home directory> = the directory path or name where the CDMA LMF is installed.
NEC Files
The naming conventions for the NECB and NECJ files are:
NECB*bts#.xml NECJ*bts#.xmlNECJ*bts#.xml
Where:
* = any characters can be substituted # = the actual integer BTS number; for example,
NECB–2.16.4.1.40–bts480.xml
The NECB and its corresponding NECJ must have the exact same name, except for the “B” and “J” after the initial NEC characters.
The NECB and the NECJ must reside in the <LMF_HOME>\cdma\bts–# directory for the BTS to which they apply.
Load Information File (LIF)
The LIF contains all the devices binaries available for the specified System Software Release. It is the functional equivalent of the Object List File (OLF) file that was used pre–Packet.
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Preparing the LMF – continued
The naming convention for the LIF is:
The LIF must reside in the <LMF_HOME>\cdma\loads\<Software Release Number> directory, where <LMF_HOME> = the home directory in which the LMF is installed, usually C:\wlmf <Software Release Number> = the System Software Release Number (e.g.
2.16.1.0.10).
NE_LIF.xml
3
LMF Operating System Installation
NOTE
NOTE
Cal File
The Cal File still resides in the <LMF_HOME>\cdma\bts–# directory and is named BTS.
This section provides information and instructions for installing and updating the LMF software and files.
bts–#.cal, where # is the actual integer number of the
First Time Installation Sequence:
1. Install Java Runtime Environment (JRE)
2. Install U/WIN K–shell emulator
3. Install LMF application programs
4. Install/create BTS folders
Any time U/WIN is installed, the LMF application software must also be installed. This is because the LMF application installation modifies some of the files that are installed during the U/Win installation. These modifications are necessary for proper LMF operation. Installing U/Win over–writes these modifications.
There are multiple binary image packages for installation on the CD–ROM. When prompted, choose the load that corresponds to the software release currently installed in the network. Perform the Device Images installation after the LMF installation.
If applicable, a separate CD ROM of BTS Binaries may be available for binary updates.
Follow the procedure in Table 3-1 to install the LMF application program using the LMF CD ROM.
Table 3-1: LMF Application Program Installation
n Step Action
1 Insert the LMF Program CD ROM into the LMF CD
ROM drive.
1a – If the Setup screen appears, follow the instructions
displayed on the screen.
. . . continued on next page
3-8 1X SC4812T–MC BTS Optimization/ATP 5/21/04
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Preparing the LMF – continued
Copy BTS and CBSC CDF or NEC Files to the LMF Computer
Table 3-1: LMF Application Program Installation
n ActionStep
1b – If the Setup screen is not displayed, proceed to Step
2.
2 Click on the Start button.
3 Select Run.
4 Enter d:\autorun In the Open box and click OK.
NOTE
If applicable, replace the letter d with the correct CD ROM drive letter.
Before logging on to a BTS with the LMF computer to execute optimization/ATP procedures, the correct or NECB*bts#.xml and NECJ*bts#.xml files must be obtained from the CBSC and put in a bts-# folder in the LMF computer. This requires creating versions of the CBSC CDF files on a DOS–formatted floppy diskette and using the diskette to install the CDF or NEC files on the LMF computer.
bts–#.cdf and cbsc–#.cdf
3
NOTE
NOTE
– If the LMF has ftp capability, the ftp method can be used to
copy the CDF files from the CBSC.
– On Sun OS workstations, the unix2dos command can be
used in place of the cp command (for example, unix2dos bts–248.cdf bts–248.cdf). This should be done using a copy of the CBSC CDF file so the original CBSC CDF file is not changed to DOS format.
When copying CDF or NEC files, comply with the following to prevent BTS login problems with the LMF:
– The numbers used in the
NECB*bts#.xml and NECJ*bts#.xml filenames must
correspond to the locally assigned numbers for each BTS and its controlling CBSC.
– The generic
works with locally numbered circuit BTS CDF files. Using this file will not provide a valid optimization unless the generic file is edited to replace default parameters (for example, channel numbers and corresponding set power out) with the operational parameters used locally.
The procedure in Table 3-2 lists the steps required to transfer the CDF or NEC files from the CBSC to the LMF computer. For further information, refer to the LMF Help function on line documentation.
cbsc–1.cdf file supplied with the LMF
bts–#.cdf and cbsc–#.cdf or
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Preparing the LMF – continued
Table 3-2: Copying CBSC CDF or NEC Files to the LMF
n Step Action
AT THE CBSC:
1 Login to the CBSC workstation.
2 Insert a DOS formatted diskette in the workstation drive.
3
3 Type eject –q and press the <Enter> key.
4 Type mount and press the <Enter> key.
NOTE
S Look for the “floppy/no_name” message on the last line displayed. S If the eject command was previously entered, floppy/no_name will be appended with a
number. Use the explicit floppy/no_name reference displayed when performing step 7.
5 Change to the directory containing the file by typing cd <directory name> (ex. cd
bts–248) and pressing <Enter>.
6 Type ls <Enter> to display the list of files in the directory.
7 With Solaris versions of Unix, create DOS–formatted versions of the bts–#.cdf and cbsc–#.cdf or
NECB*bts#.xml and NECJ*bts#.xml files on the diskette by entering the following command:
unix2dos <source filename> /floppy/no_name/<target filename> For example, unix2dos bts–248.cdf no_name/bts–248.cdf.
or NECB–2.16.4.41–bts248.xml /floppy/
NOTE
S Other versions of Unix do not support the unix2dos and dos2unix commands. In these cases,
use the Unix cp (copy) command. The copied files will be difficult to read with a DOS or Windows text editor because Unix files do not contain line feed characters. Editing copied CDF or NEC files on the LMF computer is, therefore, not recommended.
S Using cp, multiple files can be copied in one operation by separating each filename to be copied
with a space and ensuring the destination directory (floppy/no_name) is listed at the end of the command string following a space (for example, cp bts–248.cdf cbsc–6.cdf /floppy/no_name).
8 Repeat steps 5 through 7 for each bts–# that must be supported by the LMF.
9 When all required files have been copied to the diskette, type eject and press the <Enter> key.
10 Remove the diskette from the CBSC.
AT THE LMF:
11 Start the Windows operating system.
12 Insert the diskette into the LMF.
. . . continued on next page
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Preparing the LMF – continued
Table 3-2: Copying CBSC CDF or NEC Files to the LMF
n ActionStep
13 Using Windows Explorer (or equivalent program), create a corresponding bts–# folder in the
<lmf home directory>\cdma directory for each and NECJ*bts#.xml file pair copied from the CBSC.
14 Use Windows Explorer (or equivalent program) to transfer the bts–#.cdf and cbsc–#.cdf or
NECB*bts#.xml and NECJ*bts#.xml files from the diskette to the corresponding
<lmf home directory>\cdma\bts–# folders created in step 13.
Creating a Named HyperTerminal Connection for MMI Sessions
bts–#.cdf and cbsc–#.cdf or NECB*bts#.xml
3
Confirming or changing the configuration data of certain BTS Field Replaceable Units (FRUs) requires establishing an MMI communication session between the LMF and the FRU. Using features of the Windows operating system, the connection properties for an MMI session can be saved on the LMF computer as a named Windows HyperTerminal connection. This eliminates the need for setting up connection parameters each time an MMI session is required to support optimization.
Once the named connection is saved, a shortcut for it can be created on the Windows desktop. Double clicking the shortcut icon will start the connection without the need to negotiate multiple menu levels.
Follow the procedure in Table 3-3 to establish a named HyperTerminal connection and create a WIndows desktop shortcut for it.
Table 3-3: Creating a Named HyperTerminal Connection for MMI Sessions
Step Action
1 From the Windows Start menu, select:
Programs>Accessories
2 Select Communications, double click the Hyperterminal folder, and then double click on the
Hyperterm.exe icon in the window that opens.
NOTE
S If a Location Information Window appears, enter the required information, then click Close.
(This is required the first time, even if a modem is not to be used.)
S If a You need to install a modem..... message appears, click NO.
3 When the Connection Description box opens:
– Type a name for the connection being defined (for example, MMI Session) in the Name: window.
– Highlight any icon preferred for the named connection in the Icon: chooser window.
– Click OK.
. . . continued on next page
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Preparing the LMF – continued
Table 3-3: Creating a Named HyperTerminal Connection for MMI Sessions
Step Action
NOTE
For LMF configurations where COM1 is used by another interface such as test equipment and a physical port is available for COM2, select COM2 to prevent conflicts.
4
3
From the Connect using: pick list in the Connect To box displayed, select the RS–232 port to be used for the connection (e.g., COM1 or COM2 (Win NT) – or Direct to Com 1 or Direct to Com 2 (Win
98), and click OK.
5 In the Port Settings tab of the COM# Properties window displayed, configure the RS–232 port
settings as follows:
S Bits per second: 9600 S Data bits: 8 S Parity: None S Stop bits: 1 S Flow control: None
6 Click OK.
7 Save the defined connection by selecting:
File>Save
8 Close the HyperTerminal window by selecting:
File>Exit
9 Click Ye s to disconnect when prompted.
10 Perform one of the following:
S If the Hyperterminal folder window is still open (Win 98) proceed to step 12 S From the Windows Start menu, select Programs > Accessories
11 Perform one of the following:
S For Win NT, select Hyperterminal and release any pressed mouse buttons. S For Win 98, select Communications and double click the Hyperterminal folder.
12 Highlight the newly created connection icon by moving the cursor over it (Win NT) or clicking on it
(Win 98).
13 Right click and drag the highlighted connection icon to the Windows desktop and release the right
mouse button.
14 From the pop–up menu displayed, select Create Shortcut(s) Here.
15 If desired, reposition the shortcut icon for the new connection by dragging it to another location on the
Windows desktop.
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Span Lines – Interface & Isolation
T1/E1 Span Interface
Each frame is equipped with one Site I/O and two Span I/O boards. The Span I/O J1 connector provides connection for 25 wire pairs. A GLI card can support up to six spans. In SC4812T BTS frames, spans A, C, and E terminate on the Span “A” I/O; and spans B, D, and F terminate on the Span “B” I/O.
NOTE
At active sites, the OMC/CBSC must disable the BTS and place it out of service (OOS). DO NOT remove the 50–pin TELCO cable connected to the BTS frame site I/O board J1 connector until the OMC/CBSC has disabled the BTS!
3
NOTE
Span Lines will interface to the BTS through the Span I/O cards only in circuit mode with either circuit or split backhaul.
Before connecting the LMF to the frame LAN, the OMC–R must disable the BTS and place it OOS to allow the LMF to control the CDMA BTS. This prevents the OMC–R from inadvertently sending control information to the BTS during LMF–controlled tests. Refer toFigure 3-2 and Figure 3-3 as required.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-13
DRAFT
Span Lines – Interface & Isolation – continued
Isolate BTS from T1/E1 Spans
To ensure the LMF will maintain control of the BTS, disable the BTS and isolate the spans as described in Table 3-4.
Table 3-4: T1/E1 Span Isolation
Step Action
1 Have the OMC/CBSC place the BTS OOS.
3
2
Remove the T1/E1 span 50–pin TELCO cable connected to the SPAN I/O cards (Figure 3-2).
NOTE
– If a third party is used for span connectivity, the third party must be informed
before disconnecting the span line.
– Verify that the SPAN cable connector is removed, not the “MODEM/TELCO”
connector.
Figure 3-2: Span I/O Board Span Isolation
SPAN A CONNECTOR (TELCO) INTERFACE TO SPAN LINES
RS–232 9–PIN SUB D CONNECTOR SERIAL PORT FOR EXTERNAL DIAL UP MODEM CONNECTION (IF USED)
TOP of Frame
(Site I/O and Span I/O boards)
50–PIN TELCO CONNECTORS REMOVED
FW00299
SPAN B CONNECTOR (TELCO) INTERFACE TO SPAN LINES
3-14 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
LMF to BTS Connection
Connect the LMF to the BTS
Table 3-5: LMF to BTS Connection
The LMF is connected to the LAN A or B connector located on the left side of the frame’s lower air intake grill, behind the LAN Cable Access door (see Figure 3-3).
Step Action
1 To gain access to the connectors on the BTS, open the LAN Cable Access door, then pull apart the
Velcro® tape covering the BNC “T” connector (see Figure 3-3).
2 Connect the LMF to the LAN A BNC connector via PCMCIA Ethernet Adapter with an unshielded
twisted–pair (UTP) Adapter and 10BaseT/10Base2 converter (powered by an external AC/DC transformer).
3 Start the LMF application (see Table 3-6 or Table 3-7) and test the connection.
– If there is no login response, connect the LMF to the LAN B connector.
– If there is still no login response, see Table 6-1, Login Failure Troubleshooting Procedures.
NOTE
– Xircom Model PE3–10B2 or equivalent can also be used to interface the LMF Ethernet
connection to the frame connected to the PC parallel port, powered by an external AC/DC transformer. In this case, the BNC cable must not exceed 91 cm (3 ft) in length.
– The LAN shield is isolated from chassis ground. The LAN shield (exposed portion of BNC
connector) must not touch the chassis during optimization.
3
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-15
DRAFT
LMF to BTS Connection – continued
Figure 3-3: LMF Connection Detail
NOTE:
Open LAN CABLE ACCESS door. Pull apart Velcro tape and gain access to the LAN A or LAN B LMF BNC connector.
3
LMF COMPUTER TERMINAL WITH
MOUSE
LMF BNC “T” CONNECTIONS
ON LEFT SIDE OF FRAME
(ETHERNET “A” SHOWN;
ETHERNET “B” COVERED
WITH VELCRO TAPE)
PCMCIA ETHERNET
ADAPTER & ETHERNET
UTP ADAPTER
10BASE–T/10BASE–2
CONVERTER CONNECTS
DIRECTLY TO BNC T
UNIVERSAL TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
115 VAC POWER
CONNECTION
ti-CDMA-WP-00076-v01-ildoc-ftw
3-16 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF
Basic LMF Operation
LMF Coverage in This Publication – There are LMF application programs to support maintenance of both CDMA and SAS BTSs. All references to the LMF in this publication are for the CDMA application program.
Operating Environments – The LMF application program allows the user to work in the two following operating environments which are accessed using the specified desktop icons:
S Graphical User Interface (GUI) using the WinLMF icon S Command Line Interface (CLI) using the WinLMF CLI icon
The GUI is the primary optimization and acceptance testing operating environment. The CLI environment provides additional capability to the user to perform manually controlled acceptance tests and audit the results of optimization and calibration actions.
Basic Operation – Basic operation of the LMF in either environment includes performing the following:
S Selecting and deselecting BTS devices S Enabling devices S Disabling devices S Resetting devices S Obtaining device status
The following additional basic operation can be performed in a GUI environment:
S Sorting a status report window
3
For detailed information on performing these and other LMF operations, refer to the LMF On-Line Help, Software Release 2.16.4.x .
NOTE
Unless otherwise noted, LMF procedures in this manual are performed using the GUI environment.
Online Help – Task oriented online help is available in the LMF by clicking on Help from the menu bar.
The LMF Display and the BTS
BTS Display – When the LMF is logged into a BTS, a frame tab is displayed for each BTS frames. The frame tab will be labeled with “CDMA” and the BTS number, a dash, and the frame number (for example, BTS–812–1 for BTS 812, RFMF 1). If there is only one frame for the BTS, there will only be one tab.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-17
DRAFT
Using the LMF – continued
CDF or NEC file Requirements – For the LMF to recognize the devices installed in the BTS, a BTS CDF or NEC files which include equipage information for all the devices in the BTS must be located in the applicable <x>:\<lmf home directory>\cdma\bts–# folder. To provide the necessary channel assignment data for circuit BTS operation, a CBSC CDF file which includes channel data for all BTS RFMFs is also required in the folder.
3
Graphical User Interface Overview
RFDS Display – If an RFDS is included in the CDF or NEC files, an RFDS tab labeled with “RFDS,” a dash and the BTS number–frame
number combination (for example, RFDS–812–1) will be displayed.
The LMF uses a Graphical User Interface (GUI), which supports the following functions:
S Selecting a device or devices. S Selecting an action to apply to selected device(s). S Status report window displaying progress of actions taking place and
related information.
S Notification when an action is complete and related information such
as indication of success or failure
S An OK button to close the status report window.
Understanding GUI Operation
The following screen captures are provided to help understand how the GUI operates:
– Figure 3-4 shows the differences between packet and circuit BTS
representations on the LMF login screen. If there is a packet configuration file (NEC) for the BTS, the “(P)” is added as a suffix to the BTS number.
– Figure 3-5 shows the Self-Managed Network Elements (NE) state
of a packet–mode BTS (SC4812T shown). An “X” is displayed on the front of each card that is under Self–Managed NE control by the GLI3 card.
– Figure 3-6 shows three of the available packet mode commands.
Normally the GLI3 has Self-Managed NE control of all cards as shown inFigure 3-6 identified with an “X”. In that state, the LMF may only status a card. In order to download code or test a card, the LMF must request Self-Managed NE control of the card by using the dropdown menu shown. The LMF also uses this menu to release control of the card back to the GLI3. The GLI3 will also assume control of the cards after the LMF logs out of the BTS. The packet mode GLI3 normally is loaded with a tape release and NECB and NECJ files which point to a tape release stored on the GLI3. When the GLI3 has control of a card it will maintain that card with the code on that tape release.
3-18 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF – continued
– Figure 3-7 depicts a packet–mode BTS that has the MCC–1 and the
BBX–1 cards under LMF control. Notice that the “X” is missing from the front of these two cards.
Figure 3-4: BTS Login screen – identifying circuit and packet BTS files
3
For detailed information on performing these and other LMF operations, refer to the LMF Help function on–line documentation.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-19
DRAFT
Using the LMF – continued
Figure 3-5: Self–Managed Network Elements (NEs) state of a packet mode SC4812T
3
3-20 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF – continued
Figure 3-6: Available packet mode commands
3
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-21
DRAFT
Using the LMF – continued
Figure 3-7: cket mode BTS with MCC–1 and BBX–1 under LMF control
3
Command Line Interface Overview
The LMF also provides Command Line Interface (CLI) capability. Activate the CLI by clicking on a shortcut icon on the desktop. The CLI cannot be launched from the GUI, only from the desktop icon.
Both the GUI and the CLI use a program known as the handler. Only one handler can be running at one time. Due to architectural limitations, the GUI must be started before the CLI if it is desired that the GUI and CLI to use the same handler. When the CLI is launched after the GUI, the CLI automatically finds and uses an in–progress login session with a BTS initiated under the GUI. This allows the use of the GUI and the CLI in the same BTS login session. If a CLI handler is already running when the GUI is launched (this happens if the CLI window is already running when the user starts the GUI, or if another copy of the GUI is already running when the user starts the GUI), a dialog window displays the following warning message:
The CLI handler is already running. This may cause conflicts with the LMF.
3-22 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF – continued
Are you sure that you want to start the application?
Yes No
Selecting the yes button starts the application. Selecting the no button terminates the application.
CLI Format Conventions
Logging into a BTS
The CLI command can be broken down in the following way:
S verb
S device including device identifier parameters
S switch
S option parameters consisting of:
– keywords
– equals signs (=) between the keywords and the parameter values
– parameter values
Spaces are required between the verb, device, switch, and option parameters. A hyphen is required between the device and its identifiers. Following is an example of a CLI command.
measure bbx–<bts_id>–<bbx_id> rssi channel=6 sector=5
Refer to the LMF CDMA CLI Reference, Software Release 2.16.4.x manual for a complete explanation of the CLI commands and their use.
Logging into a BTS establishes a communications link between the BTS and the LMF. An LMF session can be logged into only one BTS at a time.
3
Prerequisites
Before attempting to log into the BTS,
Before attempting to login to a BTS, ensure the following have been completed:
S The LMF is properly connected to the BTS (see Figure 3-3).
S The LMF application program is correctly installed and prepared.
S A bts-# folder with the correct CDF and CBSC files or NEC files
exists.
S The LMF computer was connected to the BTS before starting the
Windows operating system and LMF software. If necessary, restart the computer after connecting it to the BTS in accordance with Table 3-5 and Figure 3-3.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-23
DRAFT
Using the LMF – continued
NOTE
Be sure that the correct bts–#.cdf and cbsc–#.cdf or
NECB*bts#.xml and NECJ*bts#.xml files are used for the
BTS. These should be the CDF or NEC files that are provided for the BTS by the OMC–R. Failure to use the correct CDF or NEC files can result in invalid optimization. Failure to use the correct CDF or NEC
files to log into a live (traffic carrying) site can shut
3
BTS Login from the GUI Environment
Follow the procedure in Table 3-6 to log into a BTS when using the GUI environment.
down the site.
Table 3-6: BTS GUI Login Procedure
n Step Action
1 Start the CDMA LMF GUI environment by double clicking on the WinLMF desktop icon (if the
LMF is not running).
NOTE
If a warning similar to the following is displayed, select No, shut down other LMF sessions which may be running, and start the CDMA LMF GUI environment again:
The CLI handler is already running. This may cause conflicts with the LMF Are you sure you want to start the application?
Yes No
2 Click on the Login tab (if not displayed).
3 If no base stations are displayed in the Available Base Stations pick list, double click on the
CDMA icon.
4 Click on the desired BTS number.
5 Click on the Network Login tab (if not already in the forefront).
6 Enter the correct IP address (normally 128.0.0.2 for a field BTS) if not correctly displayed in the
IP Address box.
NOTE
128.0.0.2 is the default IP address for MGLI–1 in field BTS units. 128.0.0.1 is the default IP address for MGLI–2.
7 Type in the correct IP Port number (normally 9216) if not correctly displayed in the IP Port box.
. . . continued on next page
3-24 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF – continued
n ActionStep
8 Click on Ping.
– If the connection is successful, the Ping Display window shows text similar to the following:
Reply from 128 128.0.0.2: bytes=32 time=3ms TTL=255
– If there is no response the following is displayed:
128.0.0.2:9216:Timed out
If the MGLI fails to respond, reset and perform the ping process again. If the MGLI still fails to respond, typical problems are shorted BNC to inter–frame cabling, open cables, crossed A and B link cables, missing 50–Ohm terminators, or the MGLI itself.
Change the Multi-Channel Preselector (from the Multi-Channel Preselector pick list) selection,
9
normally MPC, to correspond to the BTS configuration, if required.
NOTE
When performing RX tests on expansion frames, do not choose EMPC if the test equipment is connected to the starter frame.
Table 3-6: BTS GUI Login Procedure
3
NOTE
Use a Tower Top Amplifier” is not applicable to the SC4812T–MC.
Click on Login.
10
A BTS tab with a graphical representation of the BTS CCP cage is displayed.
NOTE
S If login is attempted to a BTS that is already logged on, all devices will be gray. S For Software Release 2.16.4.0 and earlier, a Mode Selection box asking if the BTS is Trunked
or Multicarrier will pop up. Multicarrier must be selected for the SC4812T–MC BTS.
S There may be instances where the BTS initiates a log out due to a system error (than is, a device
failure).
S If the MGLI is OOS_ROM (blue), it will have to be downloaded with code before other devices
can be seen.
S If the MGLI is OOS_RAM (yellow), it must be enabled before other installed devices can be
seen.
BTS Login from the CLI Environment
Follow the procedure in Table 3-7 to log into a BTS when using the CLI environment.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-25
DRAFT
Using the LMF – continued
NOTE
If the CLI and GUI environments are to be used at the same time, the GUI must be started first and BTS login must be performed from the GUI. Refer to Table 3-6 to start the GUI environment and log into a BTS.
3
n Step Action
1 Double click the WinLMF CLI desktop icon (if the LMF CLI
environment is not already running).
Table 3-7: BTS CLI Login Procedure
NOTE
If a BTS was logged into under a GUI session when the CLI environment was started, the CLI session will be logged into the same BTS, and step 2 is not required.
2 At the /wlmf prompt, enter the following command:
login bts–<bts#> host=<host> port=<port>
where:
host = MGLI card IP address (defaults to address last logged into for this BTS or 128.0.0.2 if this is first login to this BTS).
port = IP port of the BTS (defaults to port last logged into for this BTS or 9216 if this is first login to this BTS).
A response similar to the following will be displayed:
LMF> 13:08:18.882 Command Received and Accepted COMMAND=login bts–33
13:08:18.882 Command In Progress
13:08:21.275 Command Successfully Completed REASON_CODE=”No Reason”
3
Logging Out
Logging out of a BTS is accomplished differently for the GUI and the CLI operating environments.
3-26 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF – continued
n Step Action
NOTE
The GUI and CLI environments use the same connection to a BTS. If a GUI and the CLI session are running for the same BTS at the same time, logging out of the BTS in either environment will log out of it for both. When either a login or logout is performed in the CLI window, there is no GUI indication that logout has occurred.
3
Logging Out of a BTS from the GUI Environment
Follow the procedure in Table 3-8 to logout of a BTS when using the GUI environment.
Table 3-8: BTS GUI Logout Procedure
1 Click on BTS on the BTS tab menu bar.
2 Click the Logout item in the pull–down menu (a Confirm Logout
pop–up message appears).
3 Click on Ye s or press the <Enter> key to confirm logout.
The screen display returns to the Login tab.
NOTE
If a logout was previously performed on the BTS from a CLI window running at the same time as the GUI, a Logout Error pop–up message appears stating the system should not log out of the BTS. When this occurs, the GUI must be exited and restarted before it can be used for further operations.
4 If a Logout Error pop–up message appears stating that the system
could not log out of the Base Station because the given BTS is not logged in, perform the following actions:
– Click OK.
– Select File>Exit in the window menu bar.
– Click Ye s in the Confirm Logout pop–up.
– Click Yes in the Logout Error pop–up which appears again.
5 If further work is to be done in the GUI, restart it.
NOTE
S The Logout item on the BTS menu bar will only log the LMF out
of the displayed BTS.
S Logging out of all BTS sessions and exiting the LMF can be done
by clicking on the File selection in the menu bar and selecting Exit from the File menu list. A Confirm Logout pop–up message will appear.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-27
DRAFT
Using the LMF – continued
Logging Out of a BTS from the CLI Environment
Follow the procedure in Table 3-9 to logout of a BTS when using the CLI environment.
Table 3-9: BTS CLI Logout Procedure
n Step Action
NOTE
3
If the BTS is also logged into from a GUI running at the same time and further work must be done with it in the GUI, proceed to step 2.
1 Logout of a BTS by entering the following command:
logout bts–<bts#>
A response similar to the following is displayed:
LMF> 12:22:58.028 Command Received and Accepted Command=logout bts–33 12:22:58.028 Command Received and Accepted 12:22:58.028 Command Successfully Completed REASON_CODE=”No Reason”
2 If desired, close the CLI interface by entering the following
command:
exit
A response similar to the following is displayed before the window closes:
Killing background processes....
Establishing an MMI Communication Session
For those procedures that require MMI communications between the LMF and BTS FRUs, follow the procedure in Table 3-10 to initiate the communication session.
Table 3-10: Establishing MMI Communication
Step Action
1 Connect the LMF computer to the equipment as detailed in the applicable procedure that requires the
MMI communication session and Figure 3-8 or Figure 3-9.
2 If the LMF computer has only one serial port (COM1) and the LMF is running, disconnect the LMF
from COM1 by performing the following:
2a – Click on Tools in the LMF window menu bar, and select Options from the pull–down menu list.
–– An LMF Options dialog box will appear.
2b – In the Test Equipment tab of the dialog box, select COM1 in the Comm Port pulldown on the
Serial Connection tab.
. . . continued on next page
3-28 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Using the LMF – continued
Table 3-10: Establishing MMI Communication
Step Action
2c – ,Click the Disconnect Port button on the Serial Connection tab.
Start the named HyperTerminal connection for MMI sessions by double clicking on its Windows
3
desktop shortcut.
NOTE
If a Windows desktop shortcut was not created for the MMI connection, access the connection from the Windows Start menu by selecting:
Programs > Accessories > Hyperterminal > HyperTerminal > <Named HyperTerminal Connection (e.g., MMI Session)>
4 Once the connection window opens, establish MMI communication with the BTS FRU by pressing
the LMF computer Enter key until the prompt identified in the applicable procedure is obtained.
Figure 3-8:CDMA LMF Computer Common MMI Connections – Cable CGDSMMICABLE219112 or Fabricated MMI Cable
3
LMF COMPUTER
To FRU MMI Connector
8–PIN
COM1
OR
COM2
DB–9 CONNECTOR
CABLE PART NUMBEr CGDSMMICABLE219112
OR
FABRICATED MMI CABLE (SEE APPENDIX J)
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-29
DRAFT
Using the LMF – continued
Figure 3-9: CDMA LMF Computer Common MMI Connections – Motorola MMI Interface Kit, SLN2006A
To FRU MMI port
8–PIN
NULL MODEM
BOARD
(TRN9666A)
3
8–PIN TO 10–PIN RS–232 CABLE (P/N 30–09786R01)
CDMA LMF COMPUTER
RS–232 CABLE
Online Help
COM1
OR
COM2
Task oriented online help is available in the LMF by clicking on Help in the window menu bar, and selecting LMF Help from the pull–down menu.
DB9–TO–DB25 ADAPTER
FW00687
3-30 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Pinging the Processor
Pinging the Processor
For proper operation, the integrity of the Ethernet LAN A and B links must be be verified. Figure 3-10 represents a typical BTS Ethernet configuration. The drawing depicts one (of two identical) links, A and B.
Ping is a program that routes request packets to the LAN network modules to obtain a response from the specified “targeted” BTS.
Figure 3-10: BTS LAN Diagram
UNUSED LAN “OUT” PORTS MUST
HAVE NON–GROUNDED 50 OHM BNC
TERMINATORS INSTALLED
BE CONNECTED TO EXPANSION
FRAME (WHERE USED) VIA COAX
OR
CABLES
3
LAN “IN” PORTS MUST HAVE
GROUNDED 50 OHM TERMINATION
AT ALL TIMES IN A STARTER
FRAME.
IN EXPANSION FRAME AND
LOGICAL BTS, LAN “IN” PORTS ARE
NOT GROUNDED
B
A
IN
OUT
BTS
(STARTER)
A
B
LMF
CONNECTOR
C–CCP
CAGE
AB
Follow the procedure in Table 3-11 and refer to Figure 3-10, as required, to ping each processor (on both LAN A and LAN B) and verify LAN redundancy is operating correctly.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-31
DRAFT
Pinging the Processor – continued
CAUTION
Always wear an approved anti–static wrist strap while handling any circuit card/module to prevent damage by ESD.
NOTE
3
n Step Action
1 If it has not already been done, connect the LMF to the BTS (see Table 3-5 on page
3-15).
2 From the Windows desktop, click the Start button and select Run.
3 In the Open box, type ping and the <MGLI IP address> (for example, ping
128.0.0.2).
The Ethernet LAN A and B cables must be installed on each frame/enclosure before performing this test. All other processor board LAN connections are made via the backplanes.
Table 3-11: Pinging the Processors
NOTE
128.0.0.2 is the default IP address for MGLI–1 in field BTS units. 128.0.0.1 is the default IP address for MGLI–2.
4 Click on the OK button.
5 If the connection is successful, text similar to the following is displayed:
Reply from 128 128.0.0.2: bytes=32 time=3ms TTL=255
If there is no response the following is displayed:
Request timed out
If the MGLI fails to respond, reset and perform the ping process again. If the MGLI still fails to respond, typical problems are shorted BNC–to–inter-frame cabling, open cables, crossed A and B link cables, missing 50–Ohm terminators, or the MGLI itself.
3-32 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Download the BTS
Overview
Before a BTS can operate, each equipped device must contain device initialization (ROM) code. ROM code is loaded in all devices during manufacture or factory repair. Device application (RAM) code and data must be downloaded to each equipped device by the user before the BTS can be made fully functional for the site where it is installed.
ROM Code
RAM Code
3
Downloading ROM code to BTS devices from the LMF is NOT routine maintenance nor a normal part of the optimization process. It is only
done in unusual situations where the resident ROM code in the device does not match the release level of the site operating software AND the CBSC cannot communicate with the BTS to perform the download. If ROM code must be downloaded, refer to Appendix H.
Before ROM code can be downloaded from the LMF, the correct ROM code file for each device to be loaded must exist on the LMF computer. ROM code must be manually selected for download.
NOTE
The ROM code file is not available for GLI3s. GLI3s are ROM code loaded at the factory.
Before RAM code can be downloaded from the CDMA LMF, the correct RAM code file for each device must exist on the LMF computer. RAM code can be automatically or manually selected depending on the Device menu item chosen and where the RAM code file for the device is stored in the CDMA LMF file structure. The RAM code file is selected automatically if the file is in the \lmf\cdma\loads\n.n.n.n\code folder (where n.n.n.n is the version number of the download code). The RAM code file in the code folder must have the correct hardware bin number.
RAM code can be downloaded to a device that is in any state. After the download is started, the device being downloaded changes to OOS-ROM (blue). When the download is completed successfully, the device changes to OOS-RAM (yellow). When code is downloaded to an MGLI, the LMF automatically also downloads data, and then enables the MGLI. When enabled, the MGLI changes to INS (green).
For non–MGLI devices, data must be downloaded after RAM code is downloaded. To download data, the device state must be OOS–RAM (yellow).
Prior to downloading a device, a code file must exist. The code file is selected automatically if the code file is in the /lmf/cdma/n.n.n.n/code folder (where n.n.n.n is the version number of the download code that matches the “NextLoad” parameter in the CDF or NEC files). The code file in the code folder must have the correct hardware bin number. Code can be automatically or manually selected.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-33
DRAFT
Download the BTS – continued
The devices to be loaded with RAM code and data are::
S Master Group Line Interface (MGLI) S Group Line Interface (GLI) S Clock Synchronization Module (CSM) S Multi Channel Card (MCC24E, MCC8E or MCC–1X) S Broadband Transceiver (BBX)
3
Verify GLI ROM Code Loads
Devices should not be loaded with a RAM code version which is not compatible with the ROM code with which they are loaded. Before downloading RAM code and data to the processor cards, follow the procedure in Table 3-12 to verify the GLI devices are loaded with the correct ROM code for the software release used by the BSS.
Prerequisite
Identify the correct GLI ROM code load for the software release being used on the BSS by referring to the Version Matrix section of the SCt CDMA Release Notes (supplied on the tapes or CD–ROMs containing the BSS software).
NOTE
The MGLI must be successfully downloaded with code and data, and put INS before downloading any other device. The download code process for an MGLI automatically downloads data and enables the MGLI before downloading other devices. The other devices can be downloaded in any order.
Table 3-12: Verify GLI ROM Code Loads
Step Action
1 If it has not already been done, start a GUI LMF session and log into the
BTS ( refer to Table 3-6).
2 Select all GLI devices by clicking on them, and select Device > Status
from the BTS menu bar.
3 In the status report window which opens, note the number in the ROM
Ver column for each GLI.
4 If the ROM code loaded in the GLIs is not the correct one for the software
release being used on the BSS, perform the following:
4a – Log out of the BTS as described in Table 3-8 or Table 3-9, as
applicable.
4b – Disconnect the LMF computer.
4c – Reconnect the span lines as described in Table 5-7.
. . . continued on next page
3-34 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Download the BTS – continued
Step Action
4d – Have the CBSC download the correct ROM code version to the BTS
5 When the GLIs have the correct ROM load for the software release being
used, be sure the span lines are disabled as outlined in Table 3-4 and proceed to downloading RAM code and data.
Download RAM Code and Data to MGLI Cards
Table 3-12: Verify GLI ROM Code Loads
devices.
Prerequisite
Prior to performing this procedure, ensure a code file exists for each of the devices to be downloaded.
Procedure
Follow the procedure in Table 3-13 to download the firmware application code for the MGLI. The download code action downloads data and also enables the MGLI.
3
Table 3-13: Download and Enable MGLI
n Step Action
1 Note the active LAN to which the LMF computer is connected.
2 At the top of the frame, remove the 50 termination from the LAN
OUT connector of the LAN to which the LMF is not connected.
3 Select Tools > Update Next Load > CDMA function to ensure the
Next Load parameter is set to the correct code version level.
4 Note the LAN IP address in the Network Login section of the LMF
Login tab, and determine which GLI the LMF is logged into based on the following IP addresses:
– Card in GLI slot 1: 128.0.0.2
– Card in GLI slot 2: 128.0.0.1
5 Download code to the MGLI which the LMF is logged into by
clicking on the MGLI.
– From the Device pull down menu, select
Download > Code/Data.
A status report confirms change in the device(s) status.
– Click OK to close the status window. (The MGLI should
automatically be downloaded with data and enabled.)
6 If the card accepts the download and enables, skip to step 10.
7 If the BTS connection is lost during or after the download process,
click on the LMF Login tab and log into the BTS again using the same IP address.
. . . continued on next page
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-35
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Download the BTS – continued
Table 3-13: Download and Enable MGLI
n ActionStep
8 If the log–in attempt fails, set the LAN IP address to the GLI card
which was not downloaded and log into the BTS through the other GLI card.
9 Select the MGLI logged into in step 8, above, and download to it by
repeating step 5 for that card.
3
Download Code and Data to Non–GLI Devices
10 Select the remaining GLI card and download to it, but do not enable it
at this time.
11 Re–install the 50 termination removed from the frame–top LAN
OUT connector in step 2, above.
Non–GLI devices can be downloaded individually or all equipped devices can be downloaded with one action. Follow the procedure in Table 3-14 to download code and data to the non–GLI devices.
NOTE
When downloading multiple devices, the download may fail for some of the devices (a time out occurs). These devices can be downloaded separately after completing the multiple download.
CSM devices are RAM code–loaded at the factory. RAM code is downloaded to CSMs only if updating to a newer software version.
Table 3-14: Download Code and Data to Non–GLI Devices
n Step Action
1 Select all devices to be downloaded.
2 From the Device pull down menu, select Download>Code/Data.
A status report displays the result of the download for each selected device.
3 Click OK to close the status window when downloading is complete.
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Download the BTS – continued
n ActionStep
4 To download the firmware application data to each device, select the
Select CSM Clock Source and Enable CSMs
Table 3-14: Download Code and Data to Non–GLI Devices
NOTE
– After the download has started, the device being downloaded
changes to blue. If the download is completed successfully, the device changes to yellow (OOS-RAM with code loaded).
– After a BBX, CSM or MCC is successfully downloaded with
code and has changed to OOS-RAM, the status LED should be rapidly flashing GREEN.
– The command in Step 2 loads both code and data. Data can be
downloaded without doing a code download anytime a device is OOS–RAM using the command in Step 4.
target device and select: Device>Download>Data
3
A CSM can have three different clock sources. The Clock Source function can be used to select the clock source from each of the three inputs. This function is only used if the clock source for a CSM needs to be changed. The Clock Source function provides the following clock source options:
S Local GPS S Mate GPS S Remote GPS S HSO (only for sources 2 & 3) S HSOX (only for sources 2 & 3) S 10 MHz (only for sources 2 & 3) S NONE (only for sources 2 & 3)
Prerequisites
MGLI=INS_ACT
CSM= OOS_RAM or INS_ACT
Follow the procedure in Table 3-15 to select a CSM Clock Source.
Table 3-15: Select CSM Clock Source
n Step Action
1 Select the applicable CSM(s).
2 Click on Device in the BTS menu bar and select
CSM/MAWI > Select Clock Source... in the pull down menu – a clock source selection window is displayed.
. . . continued on next page
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Download the BTS – continued
Table 3-15: Select CSM Clock Source
n ActionStep
3 Select the applicable clock source in the Clock Reference Source
pick lists. Uncheck the related check boxes for Clock Reference Sources 2 and 3 if the displayed pick list items should not be used.
4 Click on the OK button – a status report window displays the results
of the selection action.
3
5 Click on the OK button to close the status report window.
NOTE
For non–RGPS sites only, verify the CSM configured with the GPS receiver “daughter board” is installed in the CSM–1 slot before continuing.
Enable CSMs
NOTE
CSMs are code loaded at the factory. This data is retained in EEPROM. The download code procedure is required in the event it becomes necessary to code load CSMs with updated software versions. Use the status function to determine the current code load versions.
The CSM(s) to be enabled must have been downloaded with code (Yellow, OOS–RAM) and data.
Each BTS CSM system features two CSM boards per site. In a typical operation, the primary CSM locks its Digital Phase Locked Loop (DPLL) circuits to GPS signals. These signals are generated by either an on–board GPS module (RF–GPS) or a remote GPS receiver (R–GPS). The CSM2 card is required when using the R–GPS. The GPS receiver (mounted on CSM–1) is the primary timing reference and synchronizes the entire cellular system. CSM–2 provides redundancy but does not have a GPS receiver.
The BTS may be equipped with a remote GPS, LORAN–C, HSO 10 MHz Rubidium source, or HSOX for expansion frames, which the CSM can use as a secondary timing reference. In all cases, the CSM monitors and determines what reference to use at a given time.
Follow the procedure in Table 3-16 to enable the CSMs.
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Download the BTS – continued
Table 3-16: Enable CSMs
n Step Action
1 Verify the CSM(s) have been downloaded with code (Yellow, OOS–RAM) and data.
2
Click on the target CSM.
From the Device pull down, select Enable.
NOTE
– If equipped with two CSMs, enable CSM–2 first and then CSM–1. A status report confirms
change in the device(s) status. Click OK to close the status window.
– FAIL may be shown in the status table for enable action. If
in the Description field, the CSM changes to the enabled state after phase lock is achieved. CSM–1 houses the GPS receiver. The enable sequence can take up to one hour to complete.
– The GPS satellite system satellites are not in a geosynchronous orbit and are maintained and
operated by the United States Department of Defense (D.O.D.). The D.O.D. periodically alters satellite orbits; therefore, satellite trajectories are subject to change. A GPS receiver that is INS contains an “almanac” that is updated periodically to take these changes into account.
– If an installed GPS receiver has not been updated for a number of weeks, it may take up to
one hour for the GPS receiver “almanac” to be updated.
– Once updated, the GPS receiver must track at least four satellites and obtain (hold) a 3-D
position fix for a minimum of 45 seconds before the CSM will come in-service. (In some cases, the GPS receiver needs to track only one satellite, depending on accuracy mode set during the data load.)
– If equipped with two CSMs, the LMF should display CSM-1 as bright GREEN (INS–ACT)
and CSM–2 as dark green (INS–STB). After the CSMs have been successfully enabled, the PWR/ALM LEDs are steady green (alternating green/red indicates the card is in an alarm state).
3
Waiting For Phase Lock is shown
3 If more than an hour has passed, refer to Table 3-20 to determine the cause.
Enable MCCs
Follow the procedure in Table 3-17 to enable the MCCs.
NOTE
The MGLI, and primary CSM must be downloaded and enabled (IN–SERVICE ACTIVE), before downloading and enabling the MCC.
Table 3-17: Enable MCCs
n Step Action
1 Verify the MCC(s) have been downloaded with code (Yellow,
OOS–RAM) and data.
2 Select the MCCs to be enabled or from the Select pulldown menu
choose MCCs.
3 From the Device menu, select Enable – a status report confirms
change in the device(s) status.
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Download the BTS – continued
Table 3-17: Enable MCCs
n ActionStep
4 Click on OK to close the status report window.
Enable Redundant GLIs
Follow the procedure in Table 3-18 to enable the redundant GLI(s).
3
n Step Action
1 Select the target redundant GLI(s).
2 From the Device menu, select Enable – a status report window
confirms the change in the device(s) status and the enabled GLI(s) is green.
3 Click on OK to close the status report window.
Table 3-18: Enable Redundant GLIs
3-40 1X SC4812T–MC BTS Optimization/ATP 5/21/04
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CSM System Time/GPS and HSO Verification
CSM & HSO Background
The primary function of the Clock Synchronization Manager (CSM) boards (slots 1 and 2) is to maintain CDMA system time. The CSM in slot 1 is the primary timing source while slot 2 provides redundancy. The CSM2 card (CSM second generation) is required when using the remote GPS receiver (R–GPS). R–GPS uses a GPS receiver in the antenna head that has a digital output to the CSM2 card. CSM2 can have a daughter card as a local GPS receiver to support an RF–GPS signal.
The CSM2 switches between the primary and redundant units (slots 1 and 2) upon failure or command. CDMA Clock Distribution Cards (CCDs) buffer and distribute even–second reference and 19.6608 MHz clocks. CCD–1 is married to CSM–1 and CCD–2 is married to CSM 2. A failure on CSM–1 or CCD–1 cause the system to switch to redundant CSM–2 and CCD–2.
In a typical operation, the primary CSM locks its Digital Phase Locked Loop (DPLL) circuits to GPS signals. These signals are generated by either an on–board GPS module (RF–GPS) or a remote GPS receiver (R–GPS). The CSM2 card is required when using the R–GPS. DPLL circuits employed by the CSM provide switching between the primary and redundant unit upon request. Synchronization between the primary and redundant CSM cards, as well as the HSO back–up source, provides excellent reliability and performance.
3
Front Panel LEDs
Each CSM board features an ovenized, crystal oscillator that provides
19.6608 MHz clock, even second tick reference, and 3 MHz sinewave
reference, referenced to the selected synchronization source (GPS, Receiver, or High Stability Oscillator (HSO), T1 Span, or external reference oscillator sources). The 3 MHz signals are also routed to the RDM EXP 1A & 1B connectors on the top interconnect panel for distribution to co–located frames at the site.
Fault management has the capability of switching between the GPS synchronization source and the HSO backup source in the event of a GPS receiver failure on CSM–1. During normal operation, the CSM–1 board selects GPS as the primary source (see Table 3-20). The source selection can also be overridden via the LMF or by the system software.
All boards are mounted in the C–CCP shelf at the top of the BTS frame. Figure 1-14 illustrates the location of the boards in the BTS frame.
The status of the LEDs on the CSM boards are as follows:
S Steady Green – Master CSM locked to GPS (INS). S Rapidly Flashing Green – Standby CSM locked to GPS (STBY). S Flashing Green/Rapidly Flashing Red – CSM OOS_RAM attempting
to lock on GPS signal.
S Rapidly Flashing Green and Red – Alarm condition exists. Trouble
Notifications (TNs) are currently being reported to the GLI.
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CSM System Time/GPS and HSO Verification – continued
High Stability Oscillator
CSM and HSO – The CSM handles the overall configuration and status monitoring functions of the HSO. In the event of GPS failure, the HSO is capable of maintaining synchronization initially established by the GPS reference signal.
HSO – The HSO is a high stability 10 MHz oscillator with the necessary
3
interface to the CSMs. The HSO is typically installed in those geographical areas not covered by the LORAN–C system. Since the HSO is a free–standing oscillator, system time can only be maintained for 24 hours after 24 hours of GPS lock.
Upgrades and Expansions: HSO2/HSOX
HSO2 (second generation cards) both export a timing signal to the expansion or logical BTS frames. The associated expansion or logical frames require an HSO–expansion (HSOX). The HSOX accepts input from the starter frame and interfaces with the CSM cards in the expansion frame. HSO, HSO2, and HSOX use the same source code in source selection (see Table 3-19).
CSM Frequency Verification
NOTE
Allow the base site and test equipment to warm up for 60 minutes after any interruption in oscillator power. CSM
board warm-up allows the oscillator oven temperature and oscillator frequency to stabilize prior to test. Test equipment warm-up allows the Rubidium standard timebase to stabilize in frequency before any measurements are made.
The objective of this procedure is the initial verification of the CSM boards before performing the RF path verification tests. Parts of this procedure will be repeated for final verification after the overall optimization has been completed.
Null Modem Cable
A null modem cable is required. It is connected between the LMF COM1 port and the RS232–GPIB Interface box. Figure 3-11 shows the wiring detail for the null modem cable.
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CSM System Time/GPS and HSO Verification – continued
Figure 3-11: Null Modem Cable Detail
9–PIN D–FEMALE 9–PIN D–FEMALE
5
GND
3
RX
2
TX
7
RTS
8
CTS
DTR
DSR
1 4 6
RSD/DCD
Prerequisites
Ensure the following prerequisites have been met before proceeding:
S The LMF is NOT logged into the BTS.
S The COM1 port is connected to the MMI port of the primary CSM via
a null modem board.
ON BOTH CONNEC­TORS SHORT PINS 7, 8; SHORT PINS 1, 4, & 6
GND
5
TX
2
RX
3
RTS
7
CTS
8
RSD/DCD
1
DTR
4 6
DSR
3
FW00362
Test Equipment Setup: GPS & HSO Verification
Follow the procedure in Table 3-19 to set up test equipment while referring toFigure 3-12 as required.
Table 3-19: Test Equipment Setup (GPS & HSO Verification)
Step Action
1 Perform one of the following operations:
– For local GPS (RF–GPS), verify a CSM board with a GPS receiver is installed in primary CSM
slot 1 and that CSM–1 is INS. This is verified by checking the board ejectors for kit number SGLN1145 on the board in slot 1.
– For Remote GPS (RGPS), verify a CSM2 board is installed in primary slot 1 and that CSM–1 is
INS. This is verified by checking the board ejectors for kit number SGLN4132ED (or later).
2 Remove CSM–2 (if installed) and connect a serial cable from the LMF COM 1 port (via null modem
board) to the MMI port on CSM–1.
3 Reinstall CSM–2.
4 Start an MMI communication session with CSM–1 by using the Windows desktop shortcut icon (see
Table 3-3)
NOTE
The LMF program must not be running when a Hyperterminal session is started if COM1 is being used for the MMI session.
5 When the terminal screen appears, press the <Enter> key until the CSM> prompt appears.
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CSM System Time/GPS and HSO Verification – continued
Figure 3-12: CSM MMI terminal connection
REFERENCE OSCILLATOR
CSM board shown
removed from frame
MMI SERIAL
PORT
3
EVEN SECOND
TICK TEST POINT
REFERENCE
19.6 MHZ TEST
POINT REFERENCE
NOTES:
1. One LED on each CSM:
(NOTE 1)
LMF NOTEBOOK
Green = IN–SERVICE ACTIVE Fast Flashing Green = OOS–RAM Red = Fault Condition Flashing Green & Red = Fault
COM1
ANTENNA COAX CABLE
GPS RECEIVER
GPS RECEIVER ANTENNA INPUT
9–PIN TO 9–PIN
RS–232 CABLE
RS–232 SERIAL MODEM CABLE
DB9–TO–DB25 ADAPTER
NULL MODEM
BOARD
(TRN9666A)
FW00372
GPS Initialization/Verification
Follow the procedure in Table 3-20 to initialize and verify proper GPS receiver operation.
Prerequisites
Ensure the following prerequisites have been met before proceeding:
S The LMF is not logged into the BTS. S The COM1 port is connected to the MMI port of the primary CSM via
a null modem board (see Figure 3-12).
S The primary CSM and HSO (if equipped) have been warmed up for at
least 15 minutes.
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CSM System Time/GPS and HSO Verification – continued
CAUTION
Connect the GPS antenna to the GPS RF connector ONLY. Damage to the GPS antenna and/or receiver can result if the GPS antenna is inadvertently connected to any other RF connector.
Table 3-20: GPS Initialization/Verification
Step Action
1 To verify that Clock alarms (0000), Dpll is locked and has a reference source, and
GPS self test passed messages are displayed within the report, issue the following MMI
command
bstatus
– Observe the following typical response:
Clock Alarms (0000): DPLL is locked and has a reference source. GPS receiver self test result: passed Time since reset 0:33:11, time since power on: 0:33:11
3
2 Enter the following command at the CSM> prompt to display the current status of the Loran and the
GPS receivers.
sources
– Observe the following typical response for systems equipped with HSO:
Num Source Name Type TO Good Status Last Phase Target Phase Valid ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
0 Local GPS Primary 4 Yes Good 3 0 Yes
1
HSO Backup 4 No N/A timed–out* Timed–out* No
*NOTE “Timed–out” should only be displayed while the HSO is warming up. “Not–Present” or
“Faulty” should not be displayed. If the HSO does not appear as one of the sources, then configure the HSO as a back–up source by entering the following command at the CSM> prompt:
ss 1 12
After a maximum of 15 minutes, the Rubidium oscillator should reach operational temperature and the LED on the HSO should now have changed from red to green. After the HSO front panel LED has changed to green, enter sources <cr> at the CSM> prompt. Verify that the HSO is now a valid source by confirming that the bold text below matches the response of the “sources” command.
The HSO should be valid within one (1) minute, assuming the DPLL is locked and the HSO rubidium oscillator is fully warmed.
Num Source Name Type TO Good Status Last Phase Target Phase Valid ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
0 Local GPS Primary 4 Yes Good 3 0 Yes
1
HSO Backup 4 Yes N/A xxxxxxxxxx xxxxxxxxxx Yes
3 HSO information (underlined text above, verified from left to right) is usually the #1 reference source.
If this is not the case, have the OMCR determine the correct BTS timing source has been identified in the database by entering the display bts csmgen command and correct as required using the edit csm csmgen refsrc command.
. . . continued on next page
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CSM System Time/GPS and HSO Verification – continued
Table 3-20: GPS Initialization/Verification
Step Action
4
NOTE
If any of the above mentioned areas fail, verify:
– If LED is RED, verify that HSO had been powered up for at least 5 minutes. After oscillator
temperature is stable, LED should go GREEN Wait for this to occur before continuing !
3
5 Verify the following GPS information (underlined text above):
6 Enter the following command at the CSM> prompt to verify that the GPS receiver is in tracking mode.
– If “timed out” is displayed in the Last Phase column, suspect the HSO output buffer or oscillator
is defective
– Verify the HSO is FULLY SEATED and LOCKED to prevent any possible board warpage
– GPS information is usually the 0 reference source.
– At least one Primary source must indicate “Status = good” and “Valid = yes” to bring site up.
gstatus
– Observe the following typical response:
24:06:08 GPS Receiver Control Task State: tracking satellites. 24:06:08 Time since last valid fix: 0 seconds. 24:06:08 24:06:08 Recent Change Data: 24:06:08 Antenna cable delay 0 ns. 24:06:08 Initial position: lat 117650000 msec, lon –350258000 msec, height 0 cm (GPS) 24:06:08 Initial position accuracy (0): estimated. 24:06:08 24:06:08 GPS Receiver Status: 24:06:08 Position hold: lat 118245548 msec, lon –350249750 msec, height 20270 cm 24:06:08 Current position: lat 118245548 msec, lon –350249750 msec, height 20270 cm (GPS) 24:06:08 8 satellites tracked, receiving 8 satellites, 8 satellites visible. 24:06:08 Current Dilution of Precision (PDOP or HDOP): 0. 24:06:08 Date & Time: 1998:01:13:21:36:11 24:06:08 GPS Receiver Status Byte: 0x08 24:06:08 Chan:0, SVID: 16, Mode: 8, RSSI: 148, Status: 0xa8 24:06:08 Chan:1, SVID: 29, Mode: 8, RSSI: 132, Status: 0xa8 24:06:08 Chan:2, SVID: 18, Mode: 8, RSSI: 121, Status: 0xa8 24:06:08 Chan:3, SVID: 14, Mode: 8, RSSI: 110, Status: 0xa8 24:06:08 Chan:4, SVID: 25, Mode: 8, RSSI: 83, Status: 0xa8 24:06:08 Chan:5, SVID: 3, Mode: 8, RSSI: 49, Status: 0xa8 24:06:08 Chan:6, SVID: 19, Mode: 8, RSSI: 115, Status: 0xa8 24:06:08 Chan:7, SVID: 22, Mode: 8, RSSI: 122, Status: 0xa8 24:06:08 24:06:08 GPS Receiver Identification: 24:06:08 COPYRIGHT 1991–1996 MOTOROLA INC. 24:06:08 SFTW P/N # 98–P36830P 24:06:08 SOFTWARE VER # 8 24:06:08 SOFTWARE REV # 8 24:06:08 SOFTWARE DATE 6 AUG 1996 24:06:08 MODEL # B3121P1115 24:06:08 HDWR P/N # _ 24:06:08 SERIAL # SSG0217769 24:06:08 MANUFACTUR DATE 6B07 24:06:08 OPTIONS LIST IB 24:06:08 The receiver has 8 channels and is equipped with TRAIM.
. . . continued on next page
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CSM System Time/GPS and HSO Verification – continued
Table 3-20: GPS Initialization/Verification
Step Action
7 Verify the following GPS information (shown above in underlined text):
– At least 4 satellites are tracked, and 4 satellites are visible.
– GPS Receiver Control Task State is “tracking satellites”. Do not continue until this occurs!
– Dilution of Precision indication is not more that 30.
Record the current position base site latitude, longitude, height and height reference (height reference to Mean Sea Level (MSL) or GPS height (GPS). (GPS = 0 MSL = 1).
If steps 1 through 7 pass, the GPS is good.
8
NOTE
If any of the above mentioned areas fail, verify that:
– If Initial position accuracy is “estimated”
visible (1 satellite must be tracked and visible if actual lat, log, and height data for this site has been entered into CDF or NEC files).
– If Initial position accuracy is “surveyed”,
assumed to be accurate. GPS will not automatically survey and update its position.
– The GPS antenna is not obstructed or misaligned.
– GPS antenna connector center conductor measures approximately +5 Vdc with respect to the
shield.
– There is no more than 4.5 dB of loss between the GPS antenna OSX connector and the BTS frame
GPS input.
– Any lightning protection installed between GPS antenna and BTS frame is installed correctly.
(typical), at least 4 satellites must be tracked and
position data currently in the CDF or NEC files is
3
Enter the following commands at the CSM> prompt to verify that the CSM is warmed up and that GPS
9
acquisition has taken place.
debug dpllp
Observe the following typical response if the CSM is not warmed up (15 minutes from application of power) (If warmed–up proceed to step 10)
CSM>DPLL Task Wait. 884 seconds left. DPLL Task Wait. 882 seconds left.
DPLL Task Wait. 880 seconds left. ...........etc.
NOTE
The warm command can be issued at the MMI port used to force the CSM into warm–up, but the reference oscillator will be unstable.
. . . continued on next page
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CSM System Time/GPS and HSO Verification – continued
Table 3-20: GPS Initialization/Verification
Step Action
10 Observe the following typical response if the CSM is warmed up.
c:17486 off: –11, 3, 6 TK SRC:0 S0: 3 S1:–2013175,–2013175 c:17486 off: –11, 3, 6 TK SRC:0 S0: 3 S1:–2013175,–2013175 c:17470 off: –11, 1, 6 TK SRC:0 S0: 1 S1:–2013175,–2013175 c:17486 off: –11, 3, 6 TK SRC:0 S0: 3 S1:–2013175,–2013175
3
11 Verify the following GPS information (underlined text above, from left to right):
12 Enter the following commands at the CSM> prompt to exit the debug mode display.
c:17470 off: –11, 1, 6 TK SRC:0 S0: 1 S1:–2013175,–2013175 c:17470 off: –11, 1, 6 TK SRC:0 S0: 1 S1:–2013175,–2013175
– Lower limit offset from tracked source variable is not less than –60 (equates to 3µs limit).
– Upper limit offset from tracked source variable is not more than +60 (equates to 3µs limit).
– TK SRC: 0 is selected, where SRC 0 = GPS.
debug dpllp
HSO Initialization/Verification
The HSO module is a full–size card that resides in the C–CCP Shelf. This completely self contained high stability 10 MHz oscillator interfaces with the CSM via a serial communications link. The CSM handles the overall configuration and status monitoring functions of the HSO. In the event of GPS failure, the HSO is capable of maintaining synchronization initially established by the GPS reference signal for a limited time.
The HSO is typically installed in those geographical areas not covered by the LORAN–C system and provides the following major functions:
S Reference oscillator temperature and phase lock monitor circuitry
S Generates a highly stable 10 MHz sine wave.
S Reference divider circuitry converts 10 MHz sine wave to 10 MHz
TTL signal, which is divided to provide a 1 PPS strobe to the CSM.
Prerequisites
S The LMF is not logged into the BTS.
S The COM1 port is connected to the MMI port of the primary CSM via
a null modem board.
S The primary CSM and the HSO (if equipped) have warmed up for 15
minutes.
If the BTS is equipped with an HSO, follow the procedure in Table 3-21 to configure the HSO.
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CSM System Time/GPS and HSO Verification – continued
Table 3-21: HSO Initialization/Verification
Step Action
1 At the BTS, slide the HSO card into the cage.
NOTE
The LED on the HSO should light red for no longer than 15-minutes, then switch to green. The CSM must be locked to GPS.
2 On the LMF at the CSM> prompt, enter sources <cr>.
– Observe the following typical response for systems equipped with HSO:
Num Source Name Type TO Good Status Last Phase Target Phase Valid ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
0 Local GPS Primary 4 Yes Good 0 0 Yes 1 HSO Backup 4 Yes N/A xxxxxxx –69532 Yes 2 Not used
Current reference source number: 0
When the CSM is locked to GPS, verify that the HSO “Good” field is Yes and the “Valid” field is Yes.
3 If source “1” is not configured as HSO, enter at the CSM> prompt: ss 1 12 <cr>
Check for Good in the Status field.
4 At the CSM> prompt, enter sources <cr>.
Verify the HSO valid field is Yes. If not, repeat this step until the “Valid” status of Yes is returned. The HSO should be valid within one (1) minute, assuming the DPLL is locked and the HSO Rubidium oscillator is fully warmed.
3
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Test Equipment Set Up
Connecting Test Equipment to the BTS
The following equipment is required to perform optimization:
S LMF S Test set S Directional coupler and attenuator
3
S RF cables and connectors S Null modem cable (see Figure 3-11) S GPIB interface box
Refer to Table 3-22 and Table 3-23 for an overview of connections for test equipment currently supported by the LMF. In addition, see the following figures:
S Figure 3-15 and Figure 3-16 show the test set connections for TX
calibration.
S Figure 3-18 and Figure 3-19 show test set connections for IS–95 A/B
optimization/ATP tests.
S Figure 3-20 shows test set connections for IS–95 A/B and
CDMA 2000 optimization/ATP tests.
S Figure 3-22 and Figure 3-23 show typical TX and RX ATP setup with
a directional coupler.
Test Equipment GPIB Address Settings
Supported Test Equipment
All test equipment is controlled by the LMF through an IEEE–488/GPIB bus. To communicate on the bus, each piece of test equipment must have a GPIB address set which the LMF will recognize. The standard address settings used by the LMF for the various types of test equipment items are as follows:
S Signal generator address: 1 S Power meter address: 13 S Communications system analyzer: 18 S Signal generator address: 19
Using the procedures included in the Setting GPIB Addresses section of Appendix F, verify and, if necessary, change the GPIB address of each piece of test equipment used to match the above
CAUTION
To prevent damage to the test equipment, all TX test connections must be through the directional coupler and in-line attenuator as shown in the test setup illustrations.
.
3-50 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
IS–95 A/B Testing
Optimization and ATP testing for IS–95A/B may be performed using one of the following test sets:
S CyberTest S Hewlett–Packard HP 8935 S Hewlett–Packard HP 8921 and HP 437B or Gigatronics Power Meter S Advantest R3465 and HP 437B or Gigatronics Power Meter
The equipment listed above cannot be used for CDMA 2000 testing.
CDMA 2000 Testing
NOTE
IS–95 C is the same as CDMA 2000.
Optimization and ATP testing for IS–95A/B and CDMA2000 1X sites or carriers may be performed using the following test equipment:
S Advantest R3267 Analyzer with Advantest R3562 Signal Generator S Agilent E4406A with E4432B Signal Generator S Agilent 8935 series E6380A communications test set (formerly HP
8935) with option 200 or R2K and with E4432B signal generator for 1X FER
S Agilent E7495A communications test set
The E4406A/E4432B pair, or the R3267/R3562 pair, should be connected together using a GPIB cable. In addition, the R3562 and R3267 should be connected with a serial cable from the Serial I/O to the Serial I/O. This test equipment is capable of performing tests in both IS–95 A/B mode and CDMA 2000 mode if the required options are installed.
3
Optional test equipment
S Spectrum Analyzer (HP8594E) – can be used to perform cable
calibration.
Test Equipment Preparation
See Appendix F for specific steps to prepare each type of test set and power meter to perform calibration and ATP.
The Agilent E7495A communications test set requires additional setup and preparation. This is described in detail in Appendix F.
Test Equipment Connection Charts
To use the following charts to identify necessary test equipment connections, locate the communications system analyzer being used in the COMMUNICATIONS SYSTEM ANALYZER columns, and read down the column. Where a dot appears in the column, connect one end of the test cable to that connector. Follow the horizontal line to locate the end connection(s), reading up the column to identify the appropriate equipment and/or BTS connector.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-51
DRAFT
Test Equipment Set Up – continued
IS–95A/B–only Test Equipment Connections
Table 3-22 depicts the interconnection requirements for currently available test equipment supporting IS–95A/B only which meets Motorola standards and is supported by the LMF.
Table 3-22: IS–95A/B–only Test Equipment Interconnection
COMMUNICATIONS SYSTEM ANALYZER ADDITIONAL TEST EQUIPMENT
Attenuator
3
SIGNAL
Cyber–Test
Advantest
R3465
HP 8921A
HP 8921
W/PCS
Power
Meter
GPIB
Interface
LMF
&
Directional
Coupler
BTS
EVEN SECOND
SYNCHRONIZATION
19.6608 MHZ CLOCK
CONTROL
IEEE 488 BUS
TX TEST
CABLES
EVEN
SEC REF
TIME
BASE IN
IEEE
488
RF
IN/OUT
EVEN SEC
SYNC IN
CDMA
TIME BASE
IN
GPIB GPIB
INPUT
50W
EVEN
SECOND
SYNC IN
CDMA
TIME BASE
IN
HP–I
B
RF
IN/OUT
EVEN
SECOND
SYNC IN
CDMA
TIME BASE
IN
HP–IB
RF
IN/OUT
HP–IB
SERIAL
PORT
20 DB
ATTEN.
BTS
PORT
SYNC
MON-
ITOR
FREQ MON-
ITOR
TX1–6
RX TEST
CABLESRFGEN OUT
RF OUT
50W
DUPLEX
OUT
RF OUT
ONLY
RX1–6
NOTE
TX Test cables are set up as follows: TX 1–3 for 3-sector BTS and TX 1–6 for 6-sector.
RX Test Cables are set up as follows: RX 1–6 for 3-sector and RX 1–12 for 6-sector.
3-52 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
CDMA2000 1X/IS–95A/B–capable Test Equipment Connections
Table 3-23 depicts the interconnection requirements for currently available test equipment supporting both CDMA 2000 1X and IS–95A/B which meets Motorola standards and is supported by the LMF.
Table 3-23: CDMA2000 1X/IS–95A/B Test Equipment Interconnection
COMMUNICATIONS SYSTEM ANALYZER ADDITIONAL TEST EQUIPMENT
Agilent
SIGNAL
EVEN SECOND
SYNCHRONIZATION
8935 (Op-
tion 200
or R2K)
EXT
TRIG IN
Agilent
E7495A
EVEN SECOND SYNC IN
Advan
test
R3267
EXT
TRIG
Agilent
E4406A
TRIGGER
3
Advant-
Agilent
E4432B
Signal
Generator
IN
PATTERN
TRIG IN
est R3562 Signal
Genera-
tor
EVEN
SECOND
SYNC IN
Power
Meter
GPIB Inter-
face
LMF
30 dB
Directional
Coupler &
20 dB Pad*
BTS
SYNC
MONI
TOR
19.6608 MHZ CLOCK
CONTROL
IEEE 488 BUS
10 MHZ
SIGNAL SOURCE
CONTROLLED
SERIAL I/O
TX TEST
CABLES
RX TEST
CABLES
MOD TIME
BASE IN
IEEE
488
10 MHZ IN
RF
IN/OUT
DUPLEX
OUT *
PORT 2
RF IN
PORT 1
RF OUT
EXT REF
IN
GPIB HP–IB GPIB
10 MHZ
OUT
SERIAL
I/O
RF IN TX1–6
RF OUT
50–OHM
HP–IB
10 MHZ OUT
(SWITCHED)
RF INPUT
50 OHM
RF OUT
ONLY
GPIB
10 MHZ IN
RF OUTPUT
50 OHM
RF OUTPUT
50–OHM
EXT REF
IN
HP–IB
SYNTHE
REF IN
SERIAL
I/O
RF IN/OUT
RF OUT 50 OHM
SERIAL
PORT
30 DB COUPLER
AND
20 DB ATTEN
RX1–6
FREQ
MONITOR
* WHEN USED ALONE, THE AGILENT 8935 WITH OPTION 200 OR R2K SUPPORTS IS–95A/B RX TESTING BUT NOT CDMA2000 1X RX TESTING.
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-53
DRAFT
Test Equipment Set Up – continued
Equipment Warm-up
NOTE
Warm-up BTS equipment for a minimum of 60 minutes prior to performing the BTS optimization procedure. This assures BTS site stability and contributes to optimization accuracy. (Time spent running initial power-up, hardware/firmware audit, and BTS download counts as
3
warm-up time.)
WARNING
Before installing any test equipment directly to any BTS TX OUT connector, verify there are NO CDMA BBX channels keyed. At active sites, have the OMC-R/CBSC place the antenna (sector) assigned to the PA under test OOS. Failure to do so can result in serious personal injury and/or equipment damage.
Automatic Cable Calibration Set–up
Manual Cable Calibration
Figure 3-13 and Figure 3-14 show the cable calibration setup for various supported test sets. The left side of the diagram depicts the location of the input and output ports of each test set, and the right side details the set up for each test.
If manual cable calibration is required, refer to the procedures in Appendix F.
3-54 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
ÎÎÎ
Figure 3-13: Cable Calibration Test Setup
SUPPORTED TEST SETS
Motorola CyberTest
RF GEN OUTANT IN
Note: The Directional Coupler is not used with the Cybertest Test Set. The TX cable is connected directly to the Cybertest Test Set.
A 10dB attenuator must be used with the short test cable for cable calibration with the CyberTest Test Set. The 10dB attenuator is used only for the cable calibration procedure, not with the test cables for TX calibration and ATP tests.
Hewlett–Packard Model HP 8935
CALIBRATION SET UP
A. SHORT CABLE CAL
B. RX TEST SETUP
N–N FEMALE ADAPTER
SHORT CABLE
SHORT CABLE
TEST
SET
TEST
SET
RX CABLE
3
ANT
IN
DUPLEX
OUT
Advantest Model R3465
Hewlett–Packard Model HP 8921A
RF IN/OUT
DUPLEX
OUT
RF OUTPUT
50–OHM
RF INPUT
50–OHM
C. TX TEST SETUP
100–WATT (MIN) NON–RADIATING
RF LOAD
TX CABLE
DIRECTIONAL COUPLER (30 DB)
SHORT CABLE
N–N FEMALE ADAPTER
TX CABLE
TEST
SET
FW00089
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-55
DRAFT
Test Equipment Set Up – continued
Figure 3-14: Cable Calibration Test Setup (Advantest R3267, Agilent E4406A)
SUPPORTED TEST SETS
CALIBRATION SET UP
Advantest R3267 (Top) and R3562 (Bottom)
A. SHORT CABLE CAL
SHORT CABLE
3
RF IN
EXT TRIG IN
MOD TIME BASE IN
(EXT REF IN)
RF OUT
Agilent E4432B (Top) and E4406A (Bottom)
OUTPUT
50 OHM
B. RX TEST SETUP
SHORT CABLE
RF
N–N FEMALE ADAPTER
TEST
SET
TEST
SET
RX CABLE
RF
INPUT 50
OHM
REF FW00089
C. TX TEST SETUP
100–WATT (MIN)
NON–RADIATING
RF LOAD
TX CABLE
DIRECTIONAL COUPLER (30 DB)
SHORT CABLE
N–N FEMALE ADAPTER
TX CABLE
TEST
SET
3-56 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
ÎÎÎ
ÎÎÎ
Set-up for TX Calibration
Figure 3-15 and Figure 3-16 show the test set connections for TX calibration.
Figure 3-15: TX Calibration Test Setup (CyberTest, HP 8935, and Advantest)
TEST SETS TRANSMIT (TX) SET UP
Motorola CyberTest
RF
FRONT PANEL
NOTE: THE DIRECTIONAL COUPLER IS NOT USED WITH THE CYBERTEST TEST SET. THE TX CABLE IS CONNECTED DIRECTLY TO THE CYBERTEST TEST SET.
Hewlett–Packard Model HP 8935
IN/OUT
HP–IB TO GPIB BOX
100–WATT (MIN) NON–RADIATING RF LOAD
30 DB DIRECTIONAL COUPLER
TX TEST CABLE
POWER
SENSOR
OUT
TEST SET
INPUT/
OUTPUT
PORTS
TX TEST CABLE
* A POWER METER CAN BE USED IN PLACE OF THE COMMUNICATIONS TEST SET FOR TX CALIBRATION/AUDIT
IN
COMMUNICATIONS
POWER
METER
(OPTIONAL)*
TEST SET
CONTROL
IEEE 488
GPIB BUS
GPIB CABLE
3
TX ANTENNA
PORT
RF IN/OUT
DIP SWITCH SETTINGS
BAUD RATE
ON
DATA FORMAT
S MODE
BTS
Advantest Model R3465
LAN
B
LAN
GPIB CONNECTS TO BACK OF UNIT
INPUT
50–OHM
A
10BASET/ 10BASE2 CONVERTER
UNIVERSAL TWISTED
PAIR (UTP) CABLE
(RJ45 CONNECTORS)
INTERNAL PCMCIA
ETHERNET CARD
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-57
GPIB ADRS
RS232–GPIB
INTERFACE BOX
RS232 NULL MODEM CABLE
CDMA
LMF
G MODE
REF FW00094
DRAFT
Test Equipment Set Up – continued
Figure 3-16: TX Calibration Test Setup (Advantest R3267 and Agilent E4406A)
TEST SETS TRANSMIT (TX) SET UP
Advantest Model R3267
100–WATT (MIN) NON–RADIATING RF LOAD
3
30 DB DIRECTIONAL COUPLER
TX TEST CABLE
POWER
SENSOR
OUT
TEST SET
INPUT/
OUTPUT
PORTS
POWER
METER
(OPTIONAL)*
COMMUNICATIONS
TEST SET
CONTROL
IEEE 488
IN
GPIB BUS
RF IN
TX TEST
Agilent E4406A
RF INPUT
50
CABLE
TX ANTENNA
PORT
* A POWER METER CAN BE USED IN PLACE OF THE COMMUNICATIONS TEST SET FOR TX CALIBRATION/AUDIT
DIP SWITCH SETTINGS
BAUD RATE
ON
GPIB CABLE
DATA FORMAT
S MODE
BTS
GPIB ADRS
RS232–GPIB
INTERFACE BOX
RS232 NULL MODEM CABLE
LAN
A
LAN
B
10BASET/ 10BASE2 CONVERTER
CDMA
LMF
UNIVERSAL TWISTED
PAIR (UTP) CABLE
(RJ45 CONNECTORS)
INTERNAL PCMCIA
ETHERNET CARD
REF FW00094
3-58 1X SC4812T–MC BTS Optimization/ATP 5/21/04
G MODE
DRAFT
Test Equipment Set Up – continued
Figure 3-17: TX Calibration Test Setup – Agilent E7495A (IS–95A/B and CDMA2000 1X)
TEST SETS TRANSMIT (TX) SET UP
Agilent E7495A
Port 2 RF In
PORT 2
RF IN
Power REF
GPIO
Serial 1
Serial 2
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
50 MHz
Sensor
Ext Ref
In
Even Second
Sync In
GPS
Antenna
Use only
Agilent supplied
power adapter
Port 1
RF Out / SWR
PORT 1 RF OUT
NOTE: IF BTS IS EQUIPPED WITH DUPLEXED RX/TX SIGNALS, CONNECT THE TX TEST CABLE TO THE DUPLEXED ANTENNA CONNECTOR.
100–WATT (MIN.) NON–RADIATING
RF LOAD
50 TERM .
RX
ANTENNA
CONNECTOR
TX
ANTENNA
CONNECTOR
BTS
DIRECTIONAL COUPLER (30 DB)
2O DB IN–LINE ATTENUATOR
TX TEST CABLE
POWER
SENSOR
TX TEST CABLE
POWER METER
PORT 1 RF OUT
COMMUNIC ATIONS
PORT 2
system
RF IN
analyzer
ETHERNET HUB
INTERNAL
ETHERNET
CARD
3
SYNC
MONITOR
CSM
LAN
LAN
A
B
10BASET/ 10BASE2 CONVERTER
CDMA
LMF
UNIVERSAL TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
INTERNAL PCMCIA ETHERNET CARD
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-59
DRAFT
Test Equipment Set Up – continued
Setup for Optimization/ATP
Figure 3-18 and Figure 3-19 show test set connections for IS–95 A/B optimization/ATP tests. Figure 3-20 shows test set connections for IS–95 A/B and CDMA 2000 optimization/ATP tests.
3
3-60 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
ÎÎÎ
ÎÎÎ
Figure 3-18: IS–95 A/B Optimization/ATP Test Setup Calibration Using Directional Coupler (CyberTest, HP 8935 and Advantest)
TEST SETS Optimization/ATP SET UP
Motorola CyberTest
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK REFERENCE FROM CSM BOARD
RF
IN/OUT
OUT
NOTE: The Directional Coupler is not used with the Cybertest Test Set. The TX cable is connected directly to the Cybertest Test set.
Hewlett–Packard Model HP 8935
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK REFERENCE FROM CSM BOARD
HP–IB TO GPIB BOX
RF
NOTE: IF BTS RX/TX SIGNALS ARE DUPLEXED (4800E): BOTH THE TX AND RX TEST CABLES CONNECT TO THE DUPLEXED ANTENNA GROUP.
100–WATT (MIN)
RX TEST CABLE
30 DB
DIRECTIONAL COUPLER
NON–RADIATING
RF LOAD
TX TEST CABLE
10 DB PAD
OUT
TEST SET
INPUT/
OUTPUT
PORTS
TIMEBASE
IN
Communica tions test set
IN
EVEN SECOND/SYNC IN
CDMA
IEEE 488
GPIB BUS
3
DUPLEX OUT
Advantest Model R3465
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK REFERENCE FROM CSM BOARD
ADVANTEST NOT SUPPORTED
RF IN/OUT
RF OUT
GPIB CONNECTS
TO BACK OF UNIT
INPUT
50–OHM
RX ANTENNA
PORT
LAN
A
TX ANTENNA
PORT
BTS
FREQ
MONITOR
SYNC
MONITOR
LAN
10BASET/ 10BASE2 CONVERTER
UNIVERSAL TWISTED
PAIR (UTP) CABLE
(RJ45 CONNECTORS)
CSM
B
DIP SWITCH SETTINGS
DATA FORMAT
BAUD RATE
ON
GPIB ADRS G MODE
RS232–GPIB
INTERFACE BOX
CDMA
LMF
INTERNAL PCMCIA
ETHERNET CARD
S MODE
RS232 NULL MODEM CABLE
REF FW00096
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-61
DRAFT
Test Equipment Set Up – continued
Figure 3-19: Optimization/ATP Test Setup HP 8921A
TEST SET Optimization/ATP SET UP
Hewlett–Packard Model HP 8921A
SYNC MONITOR
EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
FREQ MONITOR
19.6608 MHZ CLOCK REFERENCE FROM CSM BOARD
3
GPIB
CONNECTS
TO BACK OF
UNIT
RF
IN/OUT
RF OUT
ONLY
NOTE: IF BTS RX/TX SIGNALS ARE DUPLEXED (4800E): BOTH THE TX AND RX TEST CABLES CONNECT TO THE DUPLEXED ANTENNA GROUP.
100–WATT (MIN)
RX TEST CABLE
30 DB
DIRECTIONAL COUPLER
RX ANTENNA
PORT
NON–RADIATING
RF LOAD
TX TEST CABLE
TX ANTENNA
PORT
10 DB PAD
OUT
TEST SET
INPUT/
OUTPUT
PORTS
IN
Communica tions test
CDMA
TIMEBASE
set
IN
EVEN SECOND/SYNC IN
IEEE 488
GPIB BUS
GPIB CABLE
LAN
A
UNIVERSAL TWISTED
(RJ45 CONNECTORS)
BTS
FREQ
MONITOR
SYNC
MONITOR
LAN
10BASET/ 10BASE2 CONVERTER
PAIR (UTP) CABLE
CSM
B
DIP SWITCH SETTINGS
DATA FORMAT
BAUD RATE
ON
GPIB ADRS G MODE
RS232–GPIB
INTERFACE BOX
RS232 NULL MODEM CABLE
CDMA
LMF
INTERNAL PCMCIA
ETHERNET CARD
S MODE
REF FW00097
3-62 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
Figure 3-20: IS–95 A/B and CDMA 2000 Optimization/ATP Test Setup Using Directional Coupler
TEST SETS Optimization/ATP SET UP
Advantest R3267 (Top) and R3562 (Bottom)
10 MHZ REF OUT
EXT TRIG IN
MOD TIME BASE IN SYNTHE REF IN
NOTE:
SYNTHE REF IN ON REAR OF SIGNAL GENERATOR IS
CONNECTED TO 10 MHZ REF OUT ON REAR OF SPECTRUM ANALYZER.
(EXT REF IN)
FREQ MONITOR
19.6608 MHZ CLOCK REFERENCE FROM CSM BOARD
Agilent E4432B (Top) and E4406A (Bottom)
TO EXT TRIG ON REAR OF SPECTRUM ANALYZER
RF IN
BNC
“T”
RF OUT
SYNC MONITOR EVEN SEC TICK PULSE REFERENCE FROM CSM BOARD
NOTE: IF BTS RX/TX SIGNALS ARE DUPLEXED: BOTH THE TX AND RX TEST CABLES CONNECT TO THE DUPLEXED ANTENNA GROUP.
100–WATT (MIN)
RX TEST CABLE
30 DB
DIRECTIONAL COUPLER
NON–RADIATING
RF LOAD
TX TEST CABLE
10 DB PAD
OUT
sIGNAL GENERATOR
Communications test set
EXT
REF
IN
IN
EVEN SECOND/ SYNC IN
IEEE 488
GPIB BUS
BNC
“T”
GPIB CABLE
3
10
MHZ
IN
10 MHZ OUT
TO PATTERN TRIG IN ON REAR OF SIGNAL GENERATOR
BNC
“T”
SYNC MONITOR EVEN SEC TICK PULSE REFERENCE FROM CSM BOARD
TO TRIGGER IN ON REAR OF TRANSMITTER TESTER
TX ANTENNA
RF
OUTPUT
50
RX ANTENNA
PORT
BTS
FREQ
LAN
MONITOR
MONITOR
A
UNIVERSAL TWISTED
(RJ45 CONNECTORS)
SYNC
CSM
LAN
B
10BASET/ 10BASE2 CONVERTER
PAIR (UTP) CABLE
RF
INPUT
50
EXT REF IN ON REAR OF TRANSMITTER TESTER
FREQ MONITOR
19.6608 MHZ CLOCK REFERENCE FROM CSM BOARD
NOTE:
FOR MANUAL TESTING, GPIB MUST BE CONNECTED BETWEEN THE ANALYZER AND THE SIGNAL GENERATOR
PORT
19.6608 MHZ CLOCK
DIP SWITCH SETTINGS
BAUD RATE
ON
RS232–GPIB
INTERFACE BOX
DATA FORMAT
GPIB ADRS G MODE
RS232 NULL MODEM CABLE
CDMA
LMF
INTERNAL PCMCIA
ETHERNET CARD
S MODE
REF FW00758
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-63
DRAFT
Test Equipment Set Up – continued
Figure 3-21: IS–95A/B and CDMA2000 1X Optimization/ATP Test Setup – Agilent E7495A
TEST SET
ATP TEST SET UP
POWER METER
Agilent E7495A
NOTE: IF BTS IS EQUIPPED
WITH DUPLEXED RX/TX SIGNALS, CONNECT THE TX TEST CABLE TO THE DUPLEXED ANTENNA CONNECTOR.
50 TERM
RX TEST
RX
BTS
100–WATT (MIN.) NON–RADIATING
RF LOAD
TX
ANTENNA
CONNECTOR
3
Use only
Agilent supplied
Ext Ref
Port 2 RF In
PORT 2
RF IN
Power REF
GPIO
Serial 1
Serial 2
SYNC MONITOR EVEN SEC TICK
PULSE REFERENCE
FROM CSM BOARD
50 MHz
Sensor
In
Even Second
Sync In
GPS
Antenna
power adapter
Port 1
RF Out / SWR
PORT 1 RF OUT
ANTENNA
CONNECTOR
DIRECTIONAL COUPLER (30 DB)
TX TEST
RX TEST
RF INPUT 50 OR INPUT 50
TX TEST
2O DB IN–LINE ATTENUATOR
PORT 1 RF OUT
COMMUNIC ATIONS
PORT 2
system
RF IN
INTERNAL
ETHERNET
analyzer
NOTE: USE THE SAME
CABLE SET FOR TX AND RX ATP. SWITCH THE CABLES DURING ALL ATP TESTS AS SHOWN.
TEST CABLES
ETHERNET HUB
CARD
SYNC
MONITOR
CSM
LAN
LAN
A
B
10BASET/ 10BASE2 CONVERTER
CDMA
LMF
UNIVERSAL TWISTED PAIR (UTP)
CABLE (RJ45 CONNECTORS)
INTERNAL PCMCIA ETHERNET CARD
TX ATP Setup
Figure 3-22 shows a typical TX ATP setup and Figure 3-23 shows a typical RX ATP setup.
3-64 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Equipment Set Up – continued
Figure 3-22: Typical TX ATP Setup with Directional Coupler (shown with and without RFDS)
TX ANTENNA DIRECTIONAL COUPLERS
TX RF FROM BTS FRAME
3
2
1
Appropriate test sets and the port names for all model test sets are described in Table 3-22.
Communica tions test set
COBRA RFDS Detail
RX
(RFM TX)
TX
(RFM RX)
RFDS RX (RFM TX) COUPLER OUTPUTS TO RFDS FWD(BTS)
RF FEED LINE TO DIRECTIONAL COUPLER REMOVED
ASU2 (SHADED) CONNECTORS
3
Connect TX test cable between the directional coupler input port and the appropriate TX antenna directional coupler connector.
40W NON–RADIATING
RF LOAD
IN
NOTE:
THIS SETUP APPLIES TO BOTH STARTER AND EXPANSION FRAMES.
TEST DIRECTIONAL COUPLER
TX TEST CABLE
OUTPUT
PORT
RVS (REFLECTED)
PORT 50–OHM
TERMINATION
FWD
(INCIDENT)
PORT
30 DB
DIRECTIONAL
COUPLER
BTS INPUT PORT
ti-CDMA-WP-00121-v01-ildoc-ftw
TX TEST CABLE
5/21/04 1X SC4812T–MC BTS Optimization/ATP 3-65
DRAFT
Test Equipment Set Up – continued
Figure 3-23: Typical RX ATP Setup with Directional Coupler (shown with or without RFDS)
RX ANTENNA DIRECTIONAL COUPLERS
COBRA RFDS Detail
RX RX RF FROM BTS FRAME
6
4
5
1
2
3
3
Appropriate test sets and the port names for all model test sets are described in Table 3-22.
(RFM TX)
TX
(RFM RX)
RFDS TX (RFM RX) COUPLER OUTPUTS TO RFDS FWD(BTS) ASU1 (SHADED) CONNECTORS
RF FEED LINE TO TX ANTENNA REMOVED
Connect RX test cable between the test set and the appropriate RX antenna directional coupler.
Communica tions test set
OUT
NOTE:
THIS SETUP APPLIES TO BOTH STARTER AND EXPANSION FRAMES.
RX Test Cable
FW00115
3-66 1X SC4812T–MC BTS Optimization/ATP 5/21/04
DRAFT
Test Set Calibration
Test Set Calibration Background
Proper test equipment calibration ensures that the test equipment and associated test cables do not introduce measurement errors, and that measurements are correct.
NOTE
If the test set being used to interface with the BTS has been calibrated and maintained as a set, this procedure does not need to be performed. (Test Set includes LMF terminal, communications test set, additional test equipment, associated test cables, and adapters.)
This procedure must be performed prior to beginning the optimization. Verify all test equipment (including all associated test cables and adapters actually used to interface all test equipment and the BTS) has been calibrated and maintained as a set.
CAUTION
If any piece of test equipment, test cable, or RF adapter, that makes up the calibrated test equipment set, has been replaced, re-calibration must be performed. Failure to do so can introduce measurement errors, resulting in incorrect measurements and degradation to system performance.
3
NOTE
Calibration of the communications test set (or equivalent test equipment) must be performed at the site before calibrating the overall test set. Calibrate the test equipment
after it has been allowed to warm–up and stabilize for a minimum of 60 minutes.
Calibration Procedures Included
Automatic
Procedures included in this section use the LMF automated calibration routine to determine path losses of the supported communications analyzer, power meter, associated test cables, adapters, and (if used) antenna switch that make up the overall calibrated test equipment set. After calibration, the gain/loss offset values are stored in a test measurement offset file on the LMF computer.
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Test Set Calibration – continued
Manual
Agilent E4406A Transmitter Tester – The E4406A does not support the power level zeroing calibration performed by the LMF. If this instrument is to be used for Bay Level Offset calibration and calibration is attempted with the LMF Calibrate Test Equipment function, the LMF will return a status window failure message stating that zeroing power is not supported by the E4406A. Refer to the Equipment Calibration section of Appendix F for instructions on using the
3
instrument’s self–alignment (calibration) function prior to performing Bay Level Offset calibration.
Power Meters – Manual power meter calibration procedures to be performed prior to automated calibration are included in the Equipment Calibration section of Appendix F.
Cable Calibration – Manual cable calibration procedures using the HP 8921A and Advantest R3465 communications system analyzers are provided in the Manual Cable Calibration section of Appendix F, if needed.
GPIB Addresses
IP Addresses
Selecting Test Equipment Other Than Agilent E7495A
GPIB addresses can range from 1 through 30. The LMF will accept any address in that range, but the numbers entered in the LMF Options window GPIB address box must match the addresses of the test equipment. Motorola recommends using 1 for a CDMA signal generator, 13 for a power meter, and 18 for a communications system analyzer. To verify and, if necessary, change the GPIB addresses of the test equipment, refer to the Setting GPIB Addresses section of Appendix F.
The E7495A communications test set uses IP over Ethernet connections for communication rather than the GPIB. For the Agilent E7495A, set the IP address and complete initial setup as described in Appendix F, Table F-1.
Open the LMF Options window from the Tools > Options menu list to select test equipment automatically (using the autodetect feature) or manually.
Serial Connection and Network Connection tabs are provided in the LMF Options window to specify the test equipment connection method.
The Serial Connection tab is used when the test equipment items are connected directly to the LMF computer through a GPIB box (normal setup). The Network Connection tab is used when the test equipment is to be connected remotely through a network connection.
Prerequisites
Ensure the following prerequisites have been met before proceeding:
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Test Set Calibration – continued
S Test equipment is correctly connected and turned on. S GPIB addresses set in the test equipment have been verified as correct
S CDMA LMF computer serial port and test equipment are connected to
Selecting Test Equipment
using the applicable procedures in Appendix F.
the GPIB box.
Test equipment may be selected either manually with operator input or automatically using the LMF autodetect feature.
Manually Selecting Test Equipment in a Serial Connection Tab –
Test equipment can be manually specified before, or after, the test equipment is connected. The LMF does not check to see if the test equipment is actually detected for manual specification. Follow the procedure in Table 3-24 to select test equipment manually.
Table 3-24: Selecting Test Equipment Manually in a Serial Connection Tab
n Step Action
1 From the Tools menu, select Options.
The LMF Options window appears.
2 Click on the Serial Connection tab (if not in the forefront).
3 Select the correct serial port in the COMM Port pick list (normally COM1).
4 Click on the Manual Specification button (if not enabled).
5 Click on the check box corresponding to the test item(s) to be used.
6
NOTE
GPIB addresses can range from 1 through 30. The LMF will accept any address in that range, but the numbers in the GPIB address boxes must match the addresses of the test equipment. Motorola recommends using 1 for a CDMA signal generator, 13 for a power meter, and 18 for a CDMA analyzer. To verify and, if necessary, change the GPIB addresses of the test equipment, refer to Appendix F.
3
Type the GPIB address in the corresponding GPIB address box.
Recommended Addresses
1 = CDMA Signal generator 13 = Power Meter 18 = CDMA Analyzer
7 Click on Apply. (The button darkens until the selection has been committed.)
NOTE
With manual selection, the LMF does not detect the test equipment to see if it is connected and communicating with the LMF.
To verify and, if necessary, change the GPIB address of the test equipment, refer to Appendix NO TAG.
. . . continued on next page
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Test Set Calibration – continued
Table 3-24: Selecting Test Equipment Manually in a Serial Connection Tab
n ActionStep
8 Click on Dismiss to close the test equipment window.
3
Automatically Selecting Test Equipment in Serial Connection Tab –
When using the auto-detection feature to select test equipment, the LMF examines which test equipment items are actually communicating with the LMF. Follow the procedure in Table 3-25 to use the auto-detect feature.
Table 3-25: Selecting Test Equipment Using Auto-Detect
n Step Action
1 From the Tools menu, select Options.
The LMF Options window appears.
2 Click on the Serial Connection tab (if not in the forefront).
3 Select the correct serial port in the COMM Port pick list (normally COM1).
4 Click on Auto–Detection (if not enabled).
NOTE
GPIB addresses can range from 1 through 30. The LMF will accept any address in that range, but the numbers in the GPIB address to search box must match the addresses of the test equipment. Motorola recommends using 1 for a CDMA signal generator, 13 for a power meter, and 18 for a CDMA analyzer. To verify and, if necessary, change the GPIB addresses of the test equipment, refer to Appendix NO TAG.
5 Type the GPIB addresses in the box labeled GPIB address to search (if not already displayed).
NOTE
When both a power meter and an analyzer are selected, the LMF uses the first item that is capable of performing the test and is listed in the GPIB addresses to search box for RF power measurements (i.e., TX calibration). The address for a CDMA signal generator is normally 1, the address for a power meter is normally 13, and the address for a CDMA analyzer is normally 18. If 1,13,18 is included in the GPIB addresses to search box, the power meter (13) is used for RF power measurements. When the test equipment items are manually selected, the CDMA analyzer is used only if a power meter is not selected.
6 Click on Apply.
NOTE
The button darkens until the selection has been committed. A check mark appears in the Manual Configuration section for detected test equipment items.
7 Click Dismiss to close the LMF Options window.
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Test Set Calibration – continued
Detecting Test Equipment When Using Agilent E7495A
Be sure that no other equipment is connected to the LMF. The Agilent E7495A must be connected to the LAN to detect it. Then perform the procedures described in Appendix F, Table F-1, Table F-2, and Table F-3.
Calibrating Test Equipment
The calibrate test equipment function zeros the power measurement level of the test equipment item that is to be used for TX calibration and audit. If both a power meter and an analyzer are connected, only the power meter is zeroed.
3
NOTE
The Agilent E4406A transmitter tester does not support power measurement level zeroing. Refer to the Equipment Calibration section of Appendix F for E4406A calibration.
Prerequisites
S LMF computer serial port and test equipment are connected to the
GPIB box.
S Test equipment to be calibrated has been connected correctly for tests
that are to be run.
S Test equipment has been selected in the LMF (Table 3-24 or
Table 3-25).
Calibrating test equipment
Follow the procedure in Table 3-26 to calibrate the test equipment.
Table 3-26: Test Equipment Calibration
n Step Action
1 From the Util menu, select Calibrate Test Equipment
from the pull–down menu. A Directions window is displayed.
2 Follow the directions provided.
3 Click on Continue to close the Directions window and
start the calibration process. A status report window is displayed.
4 Click on OK to close the status report window.
Calibrating Cables Overview
The cable calibration function measures the loss (in dB) for the TX and RX cables that are to be used for testing. A CDMA analyzer is used to
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Test Set Calibration – continued
measure the loss of each cable configuration (TX cable configuration and RX cable configuration). The cable calibration consists of the following:
S Measuring the loss of a short cable – This is required to compensate
for any measurement error of the analyzer. The short cable (used only for the calibration process) is used in series with both the TX and RX cable configuration when measuring. The measured loss of the short cable is deducted from the measured loss of the TX and RX cable configuration to determine the actual loss of the TX and RX cable
3
configurations. The result is then adjusted out of both the TX and RX measurements to compensate for the measured loss.
S Measuring the short cable plus the RX cable configuration loss –
The RX cable configuration normally consists only of a coax cable with type-N connectors that is long enough to reach from the BTS RX port of the test equipment.
S Measuring the short cable plus the TX cable configuration loss –
The TX cable configuration normally consists of two coax cables with type-N connectors and a directional coupler, a load, and an additional attenuator (if required by the specified BTS). The total loss of the path loss of the TX cable configuration must be as required for the BTS (normally 30 or 50 dB).
Calibrate Test Cabling using Communications System Analyzer
Cable Calibration is used to calibrate both TX and RX test cables. Appendix F covers the procedures for manual cable calibration.
Prerequisites
Ensure the following prerequisites have been met before proceeding:
S One of the following:
– LMF computer serial port and test equipment are connected to the
GPIB box
– For E7495A, the LMF computer network card and the E7495 are
connected to the Ethernet hub (Appendix NO TAG, Agilent E7495A Test Equipment Setup section, Connections subsection)
S Test equipment is turned on and has warmed up for at least 60
minutes.
S Test equipment has been selected in the LMF (Table 3-24, Table 3-25,
or Table F-2)
Calibrating cables
Refer to Figure 3-13 or Figure 3-14 and follow the procedure in Table 3-27 to calibrate the test cable configurations.
Table 3-27: Cable Calibration
n Step Action
1 From the Util menu, select Cable Calibration. A Cable
Calibration window is displayed.
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Test Set Calibration – continued
n ActionStep
Table 3-27: Cable Calibration
2 Enter the channel number(s) in the Channels box.
NOTE
Multiple channel numbers must be separated with a comma and no space (i.e.; 200,800). When two or more channel numbers are entered, the cables are calibrated for each channel. Interpolation is accomplished for other channels as required for TX calibration.
3 In the Cable Calibration pick list select one of the
following:
TX and RX Cable Cal
TX Cable Cal
RX Cable Cal
4 Click OK and follow the direction displayed for each
step. A status report window displays the results of the cable calibration.
3
Calibrate Test Cabling Using Signal Generator & Spectrum Analyzer
Follow the procedure in Table 3-28 to calibrate the TX/Duplexed RX cables using a signal generator and spectrum analyzer. Refer to Figure 3-24, if required. Follow the procedure in Table 3-29 to calibrate the Non–Duplexed RX cables using the signal generator and spectrum analyzer. Refer to Figure 3-25, if required.
TX and Duplexed RX Cable Calibration
Table 3-28: Calibrating TX and Duplexed RX Cables Using Signal Generator and Spectrum Analyzer
n Step Action
1 Connect a short test cable between the spectrum analyzer and the signal generator.
2 Set signal generator to 0 dBm at the customer frequency of 869–894 MHz.
3 Use a spectrum analyzer to measure signal generator output (see Figure 3-24, A) and record the
value.
4 Connect the spectrum analyzer’s short cable to point B, (as shown in the lower right portion of the
diagram) to measure cable output at customer frequency of 869–894 MHz. Record the value at point B.
. . . continued on next page
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Test Set Calibration – continued
Table 3-28: Calibrating TX and Duplexed RX Cables Using Signal Generator and Spectrum Analyzer
n ActionStep
5 Calibration factor = A – B. Example: Cal = –1 dBm – (–53.5 dBm) = 52.5 dB
NOTE
The short cable is used for calibration only. It is not part of the final test setup. After calibration is completed, do not re-arrange any cables. Use the equipment setup, as is, to ensure test procedures
3
Figure 3-24: Calibrating Test Equipment Setup for TX BLO and TX ATP Tests (using Signal Generator and Spectrum Analyzer)
Spectrum
Analyzer
use the correct calibration factor.
Signal
Generator
SHORT TEST CABLE
A
40W NON–RADIATING
RF LOAD
THIS WILL BE THE CONNECTION TO
THE TX PORTS DURING TX BAY LEVEL
OFFSET TEST AND TX ATP TESTS.
50 OHM TERMINATION
Spectrum
Analyzer
THIS WILL BE THE CONNECTION TO THE HP8481A POWER SENSOR DURING TX BAY LEVEL OFFSET TEST AND TO THE PCS INTERFACE BOX INPUT PORT DURING TX ATP TESTS.
SHORT TEST CABLE
ONE 20DB 20 W IN
LINE ATTENUATOR
B
30 DB
DIRECTIONAL
COUPLER
CABLE FROM 20 DB @ 20W ATTENUATOR TO THE PCS INTERFACE OR THE HP8481A POWER SENSOR.
Non-Duplexed RX Cable Calibration
Table 3-29: Calibrating RX Cables Using a Signal Generator and Spectrum Analyzer
n Step Action
1 Connect a short test cable to the spectrum analyzer and connect the other end to the Signal
Generator.
2 Set signal generator to –10 dBm at the customer’s RX frequency of 824–849 MHz.
3 Use spectrum analyzer to measure signal generator output (see Figure 3-25, A) and record the
value for A.
Signal
Generator
FW00293
4 Connect the test setup, as shown in the lower portion of the diagram to measure the output at the
customer’s RX frequency of 824–849 MHz. Record the value at point B.
. . . continued on next page
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Test Set Calibration – continued
Table 3-29: Calibrating RX Cables Using a Signal Generator and Spectrum Analyzer
n ActionStep
5 Calibration factor = A – B. Example: Cal = –12 dBm – (–14 dBm) = 2 dBm
NOTE
The short cable is used for calibration only. It is not part of the final test setup. After calibration is completed, do not re-arrange any cables. Use the equipment setup, as is, to ensure test procedures use the correct calibration factor.
Figure 3-25: Calibrating Test Equipment Setup for RX ATP Test (using Signal Generator and Spectrum Analyzer)
Signal
Generator
Spectrum
Analyzer
Signal
Generator
3
SHORT
a
TEST CABLE
Setting Cable Loss Values
CONNECTION TO THE HP PCS INTERFACE OUTPUT PORT DURING RX MEASUREMENTS.
Spectrum
Analyzer
b
BULLET
CONNECTOR
SHORT TEST CABLE
LON G
CONNECTION TO THE RX PORTS
DURING RX MEASUREMENTS.
cable 2
FW00294
Cable loss values for the TX and RX test cable configurations are normally set by accomplishing cable calibration using the applicable test equipment. The resulting values are stored in the cable loss files. The cable loss values can also be set/changed manually. Follow the procedure in Table 3-30 to set cable loss values.
CAUTION
If cable calibration was performed without using the LMF, cable loss values must be manually entered in the LMF database. Failure to do this will result in inaccurate BTS calibration and reduced site performance.
Prerequisites
S Logged into the BTS
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Test Set Calibration – continued
Table 3-30: Setting Cable Loss Values
n Step Action
1 Click on the Util menu.
2 Select Edit > Cable Loss.
3 In the data entry pop–up window, select TX Cable Loss or RX Cable Loss.
3
4 To add a new channel number, click on the Add Row button, then click in the Channel # and
Loss (dBm) columns and enter the desired values.
5 To edit existing values, click in the data box to be changed and change the value.
6 To delete a row, click on the row and then click on the Delete Row button.
7 To save displayed values, click on the Save button.
To exit the window, click on the Dismiss button.
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Values entered/changed after the Save button was used are not saved.
NOTE
S If cable loss values exist for two different channels, the LMF will interpolate for all other
channels.
S Entered values are used by the LMF as soon as they are saved. Logging out and logging in
again is not necessary.
Setting Coupler Loss Values
If an in–service coupler is installed, the coupler loss (e.g., 30 dB) must be manually entered so it will be included in the LMF TX calibration and audit calculations and RX FER Test. Follow the procedure in Table 3-31 to set coupler loss values.
Prerequisites
S Logged into the BTS.
Table 3-31: Setting Coupler Loss Value
n Step Action
1 Click on the Util menu.
2 Select Edit > Coupler Loss.
3 In the data entry pop–up window, select one of the
following:
TX Coupler Loss
RX Coupler Loss.
4 Click in the Loss (dBm) column for each carrier that has
a coupler and enter the appropriate value.
. . . continued on next page
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Test Set Calibration – continued
n ActionStep
Table 3-31: Setting Coupler Loss Value
5 To edit existing values click in the data box to be changed
and change the value.
6 Click on the Save button to save displayed values.
Click on the Dismiss button to exit the window.
7
Values entered/changed after the Save button was used are not saved.
3
NOTE
S The In–Service Calibration check box in the
Tools > Options > BTS Options tab must checked
before entered coupler loss values are used by the TX calibration and audit functions or RX FER test.
S Entered values are used by the LMF as soon as they are
saved. Logging out and logging in again is not necessary.
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Bay Level Offset Calibration
Introduction
Bay Level Offset (BLO) calibration is the central activity of the optimization process. BLO calibration compensates for normal equipment variations within the BTS RF paths and assures the correct transmit power is available at the BTS antenna connectors to meet site performance requirements.
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RF Path Bay Level Offset Calibration
Calibration identifies the accumulated gain in every transmit path (BBX slot) at the BTS site and stores that value in a BLO database calibration table in the LMF. The BLOs are subsequently downloaded to each BBX.
For starter frames, each receive path starts at a BTS RX antenna port and terminates at a backplane BBX slot. Each transmit path starts at a BBX backplane slot, travels through the Power Amplifier (PA), and terminates at a BTS TX antenna port.
For expansion frames each receive path starts at the BTS RX port of the cell site starter frame, travels through the frame-to-frame expansion cable, and terminates at a backplane BBX slot of the expansion frame. The transmit path starts at a BBX backplane slot of the expansion frame, travels though the PA, and terminates at a BTS TX antenna port of the same expansion frame.
Calibration identifies the accumulated gain in every transmit path (BBX slot) at the BTS site and stores that value in a BLO database. Each transmit path starts at a C–CCP shelf backplane BBX slot, travels through the PA, and ends at a BTS TX antenna port. When the TX path calibration is performed, the RX path BLO is automatically set to the default value.
At omni sites, BBX slots 1 and 13 (redundant) are tested. At sector sites, BBX slots 1 through 12, and 13 (redundant) are tested. Only those slots (sectors) actually equipped in the current CDF or NEC file are tested, regardless of physical BBX board installation in the slot.
When to Calibrate BLOs
Calibration of BLOs is required:
S After initial BTS installation S Once each year S After replacing any of the following components or associated
interconnecting RF cabling:
– BBX board
– C–CCP shelf
– MCIO card
– MCIO to Power Amplifier backplane RF cable
– Parallel Linear Amplifier Combiner
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Bay Level Offset Calibration – continued
– Power Amplifier
– TX filter
– Enhanced Trunking Module (ETM)
– TX thru-port cable to the top of frame
TX Path Calibration
The TX Path Calibration assures correct site installation, cabling, and the first order functionality of all installed equipment. The proper function of each RF path is verified during calibration. The external test equipment is used to validate/calibrate the TX paths of the BTS.
WARNING
Before installing any test equipment directly to any TX OUT connector you must first verify that there are no
CDMA channels keyed. Have the OMC–R place the sector assigned to the PA under test OOS. Failure to do so can result in serious personal injury and/or equipment damage.
CAUTION
Always wear an approved anti–static wrist strap while handling any circuit card/module. If this is not done, there is a high probability that the card/module could be damaged by ESD.
3
NOTE
At new site installations, to facilitate the complete test of each CCP shelf (if the shelf is not already fully populated with BBX boards), move BBX boards from shelves currently not under test and install them into the empty BBX slots of the shelf currently being tested to insure that all BBX TX paths are tested.
This procedure can be bypassed on operational sites that are due for periodic optimization.
Prior to testing, view the CDF file to verify the correct BBX slots are equipped. Edit the file as required to include BBX slots not currently equipped (per Systems Engineering documentation).
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