Zte ZXSDR BS8900 Hardware Manual
CDMA
ZTE CORPORATION
ZTE Plaza, Keji Road South,
Hi-Tech Industrial Park,
Nanshan District, Shenzhen,
P. R. China
518057
Tel: (86) 755 26771900
Fax: (86) 755 26770801
URL: http://ensupport.zte.com.cn
E-mail: support@zte.com.cn
ZXSDR
BS8900
Outdoor Basestation-8900
Hardware Manual
LEGAL INFORMATION
Copyright © 2006 ZTE CORPORATION.
The contents of this document are protected by copyright laws and international treaties. Any reproduction or distribution of
this document or any portion of this document, in any form by any means, without the prior written consent of ZTE CORPORATION is prohibited. Additionally, the contents of this document are protected by contractual confidentiality obligations.
All company, brand and product names are trade or service marks, or registered trade or service marks, of ZTE CORPORATION
or of their respective owners.
This document is provided “as is”, and all express, implied, or statutory
claimed, including without limitation any implied warranty of merchantability, fitness for a particular purpose, title or non-infringement. ZTE
information contained herein.
ZTE CORPORATION or its licensors may have current or pending intellectual property rights or applications covering the subject
matter of this document. Except as expressly provided in any written license between ZTE CORPORATION and its licensee,
the user of this document shall not acquire any license to the subject matter herein.
ZTE CORPORATION reserves the right to upgrade or make technical change to this product without further notice.
Users may visit ZTE technical support website http://ensupport.zte.com.cn to inquire related information.
The ultimate right to interpret this product resides in ZTE CORPORATION.
CORPORATION and
its licensors shall not be liable for damages resulting from the use of or reliance on the
warranties, representations
or conditions are dis-
Revision History
Revision No. Revision Date Revision Reason
R1.1
R1.0
Serial Number: sjzl20085453
03/20/2009 Add information of outdoor BBU and RSU
11/30/2008 First Edition
Contents
Preface ...............................................................
Cabinet..............................................................
Cabinet Technique
Baseband Power Cabinet Outer Structure........................... 1
Baseband Power Cabinet Inner
Heat Exchanger.......................................................... 3
Transmission Equipment
Baseband
Cable Tray
Lightning Subrack....................................................... 6
Power Supply Subrack................................................. 7
Smog
RF Cabinet Outer
RF Cabinet Inner Structure
RF
Lightning Filter
Storage Battery Cabinet .................................................13
Sensor .............................................................
Subrack
Feature ...............................................
Structure
(Optional)
Subrack ......................................................
.................................................................
Structure ..............................................
..............................................
...............................................................11
(Optional)
...........................................12
........................... 2
............................... 4
Modules...........................................................
BBU Modules.................................................................15
Control and Clock Module
Channel Processing Module (CH).................................. 19
Fabric Switch Module (FS)........................................... 23
Site Alarm Module (SA) ..............................................28
Fan Array Module (FA)................................................30
Power Module
RRU Modules ................................................................ 34
Fan Subrack.............................................................. 34
Power Distribution Subrack .........................................34
Radio System Unit
Power Distribution Module
Fan Control Module (FCE) ...........................................40
(PM)
....................................................31
(RSU)
(CC)
.................................... 15
............................................ 35
(PDM)
.................................39
i
1
1
4
6
8
8
9
15
External Cables
External Cable Layout ....................................................43
Baseband Power Cabinet Input Power
Baseband Power Cabinet Grounding Cable ........................45
Baseband Cabinet and Storage Battery Connecting
Cable
...................................................................46
Baseband Subrack DC Input Power Cable..........................46
Serial Port Monitoring Cable from Power Subrack to
Baseband
Baseband Subrack and RF Cabinet Connecting
External Dry Contact of Baseband Subrack........................49
Baseband Subrack and Lightning Subrack Connecting
Cable
...................................................................53
Baseband Subrack Ethernet Cable.................................... 54
GPS Arrester and CC Module Connecting RF Cable..............55
Storage Battery Door Control Cable .................................55
Storage Battery Temperature Monitoring
Storage Battery Water Monitoring Cable ...........................56
E1/T1 Cable on Lightning Subrack LPU .............................56
RF Cabinet DC Input Power Cable ....................................59
GPS Antenna Feeder System
GPS Antenna Feeder System
GPS Antenna ................................................................62
GPS Feeder...................................................................63
GPS Arrester.................................................................64
GPS Feeder Connector....................................................65
GPS Grounding
Main Antenna Feeder
Main Antenna Feeder System
Antenna
Feeder Structure ...........................................................75
.......................................................................75
Outdoor BBU+RSU
Cabinet
........................................................................77
Outdoor BBU+RSU Cabinet Technique
Cabinet Outer Structure .............................................77
Cabinet Inner
Outdoor BBU Cabinet.........................................80
Outdoor RSU Cabinet.........................................81
Fan
Heater
...............................................
Cable
......................44
Subrack
.................................................47
Fiber
...........48
Cable
..................56
...........................
Structure
Kit
.........................................................66
.............................61
System ..........................
Structure
............................69
Cabinet ..............................
Feature
Structure
Box
...........................................................82
.............................................................83
..............................................79
...............77
43
61
69
77
Heat Exchanger ................................................83
Modules ....................................................................... 84
Control and Clock Module
Channel Processing Module (CH).................................. 88
Fabric Switch Module (FS)........................................... 92
Site Alarm Module (SA) ..............................................97
Fan Array Module
Power Module
Fan Control Module (FCE)
LPU
.......................................................................
PSU .......................................................................
APM.......................................................................
DPM
......................................................................
1X Channel Process Module with Optical Interface
(CVI)
.............................................................
External
External Cable Layout
DC Power Cable between PSU and BBU/FCE
Equipment AC Input Power
Grounding
Data Cable
75–ohm E1
120–ohm E1 Cable
100–ohm T1 Cable
RSU DC Input Power Cable
High-speed Cable Connecting BBU and RSU
GPS
RF
Figures ..........................................................
Tables
List of
Cables ...........................................................
(PWR-91238–001) ...........................................
Cable......................................................
.............................................................
Jumper ............................................................
Jumper ..............................................................
...........................................................
Glossary..............................................
(FA)..............................................
(PM) ..................................................
Cable ....................................................
..................................................
..................................................
(CC)
.................................... 84
.........................................
..............................................
Cable ...............................
.......................................
................
102
103
106
107
108
109
110
112
116
116
120
120
122
122
127
129
133
134
135
136
136
139
143
147
Preface
Confidential and Proprietary Information of ZTE CORPORATION i
ZXSDR BS8900 Hardware Manual
ii Confidential and Proprietary Information of ZTE CORPORATION
This page is intentionally blank.
C
h a p t e r 1
Cabinet
Table of Contents
Cabinet Technique
Baseband Power Cabinet Outer Structure............................... 1
Baseband Power Cabinet Inner
RF Cabinet Outer
RF Cabinet Inner Structure
Storage Battery
Cabinet
ZXSDR BS8900 is featured by the following items:
1. The cabinet is painted in light grey, pleasant to eyes.
2. The
3. The cabinet is waterproof treated, equipped with a heat-dis-
4. The equipments all adopt bolts connection with lap seams filled
5. Special requirements are made on the package of important
cabinet design
and color arrangement.
sipation window, a sun shield and a base against theft and
overall sealed for dust-proof.
by shielding material to make every component well contacted
and spray coated after conduction oxidation.
components. Prior protection should be taken to connectors
during overall cabinet transportation.
Feature ...................................................
Structure
Structure ..................................................
..................................................
Cabinet
.....................................................13
Technique Feature
is
technique oriented
............................... 2
with
reasonable
1
8
9
layout
Baseband
Outer
Structure
Power Cabinet
Figure 1 shows the baseband power cabinet outer structure.
Confidential and Proprietary Information of ZTE CORPORATION 1
ZXSDR BS8900 Hardware Manual
FIGURE 1 BASEBAND POWER CABINET OUTER
S
TRUCTURE
– Cabinet dimension: 900 mm× 600
mm× 600 mm (height × width ×
depth)
Note:
It is common to place the baseband power cabinet on a storage
battery cabinet or an RF cabinet, in which case a sun shield is
needed but the base is not necessary.
Table 1 describes the components outer the baseband power cab-
inet.
TABLE 1 BASEBAND POWER CABINET OUTER COMPONENTS
Component
Lifting Eyes
Sun Shield
Handle
Vent
Description
Used in cabinet installation or removal.
Prevents the equipments from sunshine.
Used to open and close the cabinet door.
Equipped with alarm lock.
Helps cabinet heat-dissipation.
D
ESCRIPTION
Baseband
Inner
Structure
Power Cabinet
Figure 2 shows the baseband power cabinet inner structure.
2 Confidential and Proprietary Information of ZTE CORPORATION
Chapter 1
Cabinet
FIGURE 2 BASEBAND POWER CABINET INNER
S
TRUCTURE
1. Heat exchanger
2. Reserved space
3. Baseband subrack
4. Cable tray
5. Lightning subrack
6. Power supply subrack
7. File box
8. Cabinet door
Table 2
describes
the configuration inside the
baseband
power cab-
inet.
Unit
Heat exchanger
Transmission subrack
Baseband subrack
Cable tray
Lightning subrack
Power supply subrack
– 1 U = 4.44 cm
Height
4 U
4 U reserved
2 U
1 U
1 U
6 U
TABLE 2 BASEBAND POWER CABINET INNER STRUCTURE
D
ESCRIPTION
Configuration
Compulsory
Optional
Compulsory
Optional
Optional
Compulsory
Heat
Exchanger
The heat exchanger has been installed inside baseband power cabinet before equipment consignment.
Judging from the feedback indices from temperature sensor, the
heat exchanger provides cooling or heating function to keep a stable temperature inside the cabinet and ensure the normal operation of equipments.
Confidential and Proprietary Information of ZTE CORPORATION 3
ZXSDR BS8900 Hardware Manual
The heat exchanger consists of extracting core, heater, external
ventilation fan, internal ventilation fan and control panel. Two air
channels (inner and outer) are set to implement air convection.
Figure 3 shows the heat exchanger structure.
FIGURE 3 HEAT
E
XCHANGER
STRUCTURE
Transmission
Transmission equipment is an optional configuration. The baseband power cabinet reserves a space of 19" wide and 4 U high for
its installation.
The transmission equipment adopts - 48 V DC supply with 200 W
power consumption.
The transmission equipment completes transmission signals conversion. ZXSDR BS8900 supports various types of transmis- sion
equipments, such as SDH, microwave, PDH optical transmis- sion
and HDSL.
Equipment (Optional)
Caution:
The transmission equipment demands a relatively small working
temperature range. Pay attention to the temperature in local environment for inside transmission equipment configuration since it
will decrease the BBU working temperature range.
Baseband
Subrack
4 Confidential and Proprietary Information of ZTE CORPORATION
Figure 4 shows the ZXSDR BS8900 baseband subrack.
Chapter 1
Cabinet
FIGURE 4 BASEBAND
S
UBRACK
1. CHV
2. CHD
3. FA
4. SA
5. CC
6. FS
7. PM
Table 3 describes the modules configured in the baseband subrack
slots.
Module Meaning
CHV
Channel
Quantity
1~4
Processing
TABLE 3 BASEBAND SUBRACK MODULES
Module
(1x
service)
CHD
Channel
D
ESCRIPTION
Description
A single module can
support 6 CS, Their
amounts are determined
by service demands.
Processing
Module
(DO
service)
FA
SA
Fan Array Module
Site Alarm
Module
1
1
—
Supports 8 E1/T1
interfaces, 8 dry
contacts (6 outputs
and 2 two-ways), 1
expanded RS232/RS485
communication interface
and fan monitor.
CC
Control
Module
and Clock
1~2
Supports 1+1
active/standby mode.
Both are configured only
upon specific request.
FS
Network Switch
Module
1~2
1 module is configured
as default. Supports load
sharing. Not support
active/standby mode.
PM
Power Module
1~2
1 module is configured as
default. 2 are configured
upon
specific
request.
Confidential and Proprietary Information of ZTE CORPORATION 5
ZXSDR BS8900 Hardware Manual
Cable
Tray
The cable tray locates in the baseband power cabinet and takes
up a 1 U high space.
The cable tray is used for cable wiring, management, supporting
and protection. Figure 5 shows its structure.
FIGURE 5 CABLE
T
RAY
STRUCTURE
Lightning
Subrack
The lightning subrack prevents the external RS232/RS485, dry
contact, E1/T1 and FE/GE interfaces of ZXSDR BS8900 out- door
transmission equipment from lightning and avoids damages to
the equipment caused by lightning induction and static electricity.
The lightning subrack fulfills the following functions:
�
Supports lightning protection of 8 dry contacts.
�
Supports lightning protection of one RS232 channel and one
RS485 channel.
�
Supports lightning protection of 8 E1 channels.
�
Supports lightning protection of 2 FE/GE electrical interfaces.
The lightning subrack locates in the baseband power cabinet, an
option for configuration. Figure 6 shows the lightning subrack
panel.
FIGURE 6 LIGHTNING
S
UBRACK
PANEL
1. RS232/RS485_EM
2. MON_IN/OUT_GO
3. BSC_E1_GO
4. ABIS_1/ABIS_0
5. BBU_A1/BBU_A0
6. BBU
6 Confidential and Proprietary Information of ZTE CORPORATION
Chapter 1
Cabinet
Note:
The lightning subrack configuration is unnecessary when external
dry contact and external monitor are not required for GE optical
access to Abis interface.
Power
Supply Subrack
Composed
of AC
distribution
unit, DC
distribution
unit, rectifier and
monitoring unit, the power supply subrack adopts a standard 19
inch structure with a 6 U height.
Figure 7 shows the structure of power supply subrack.
FIGURE 7 POWER SUPPLY
S
TRUCTURE
S
UBRACK
1. DC distribution unit
2. Monitoring unit
3. Rectifier
4. AC distribution unit
Table 4 lists the description of each composition unit of power sup-
ply subrack.
TABLE 4 POWER SUPPLY SUBRACK COMPOSITION UNIT
Unit
AC
distribution
unit
DC
distribution
unit
Quantity Description
1
1
Provides 2 sets of
standard
Provides overload protection for DC
output branch and battery branch.
configuration.
D
ESCRIPTION
standby outputs
in
Confidential and Proprietary Information of ZTE CORPORATION 7
ZXSDR BS8900 Hardware Manual
Unit
Rectifier
Monitoring unit 1
Quantity Description
<=4
Adopts drawer structure with AC
single-phase 220 V input and DC -48
V/30 A output.
Adopts drawer structure. In charge
of integral
distribution
storage battery.
management of
unit, rectifier
module and
power
Smog
Sensor
The smog sensor lies in the left top corner of the RF cabinet for
detection of smog inside the cabinet.
The smog sensor is 104 mm in diameter and 47 mm in depth.
Figure 8 shows the structure of the smog sensor.
FIGURE 8 SMOG
S
ENSOR
STRUCTURE
The smog sensor with a ±12 V DC supply is connected to the smog
sensor interface on the panel of FCE that manages the smog alarm
and report.
RF
Cabinet Outer Structure
RF cabinet outer structure consists of the cabinet proper, cabinet
door, sun shield and the base, as is shown in Figure 9.
The cabinet dimension is 850 mm × 600 mm × 600 mm (height
× width × depth).
8 Confidential and Proprietary Information of ZTE CORPORATION
Chapter 1
Cabinet
FIGURE 9 RF CABINET OUTER
S
TRUCTURE
1. Sun shield
2. Lifting eye
3. Heat-dissipation window
4. Base
5. Handle
6. Rear cover plate
Note:
Both the sun shield and base are required when the RF cabinet is
installed alone. When the cabinets are installed in heap, the sun
shield is needed for RF cabinet in the upper layer and teh base is
needed for RF cabinet in the lower layer.
Table 5 lists the description of RF cabinet outer components.
TABLE 5 RF CABINET OUTER COMPONENTS
Component
Sun shield
Lifting eye
Heat-dissipation
window
Base
Handle
Rear cover plate
Description
Prevents direct sun shine.
Used during cabinet installation and removal.
Helps cabinet heat-dissipation.
Used for cabinet fixation. Provides guard
against theft.
Used to open and close the cabinet door.
Equipped with alarm lock against theft.
Able to be disassembled and convenient for
cable connection.
D
ESCRIPTION
RF
Cabinet Inner Structure
Figure 10 shows the RF cabinet inner structure.
Confidential and Proprietary Information of ZTE CORPORATION 9
ZXSDR BS8900 Hardware Manual
FIGURE 10 RF CABINET INNER
S
TRUCTURE
1. Fan subrack
2. Power distribution subrack
3. RF subrack
4. Base
5. Reserved for lightning filter
6. Air intake vent
7. Sun shield
10 Confidential and Proprietary Information of ZTE CORPORATION
Chapter 1
Cabinet
Table 6 describes the inner configuration of RF cabinet.
Unit
Fan subrack
Power distribution subrack
RF subrack
Lightning Filter
Sun shield
Base
Configuration
Compulsory
Compulsory
Compulsory
Optional
Optional
Optional
TABLE 6 RF CABINET INNER CONFIGURATION
D
ESCRIPTION
Note:
The RF cabinet should be equipped with both sun shield and base
when placed alone. If installed in heap with other cabinet, it needs
sun shield for upper layer and base for lower layer.
RF Subrack
Figure 11 illustrates the ZXSDR BS8900 RF subrack.
FIGURE 11 RF
S
UBRACK
1. RSU
Confidential and Proprietary Information of ZTE CORPORATION 11
ZXSDR BS8900 Hardware Manual
Table 7 describes the module configured in RF subrack slots.
TABLE 7 RF SUBRACK MODULE
Module Meaning
RSU
Radio System
Unit
D
ESCRIPTION
Quantity
1~6
Description
A single RSU supports 4
carriers. RSU number is the
same with sector number if
the carrier number <=4 and
twice the sector number if 4
carrier
number <=6.
<
Lightning
Filter (Optional)
The lightning filter locates in the RF cabinet below RSU, an option
configuration.
The lightning filter consists of 2 DC lightning protection units
(LPUs), 1 air break switch (ABS) and 2 DC filters. Figure 12 shows
its structure.
FIGURE 12 LIGHTNING
F
ILTER
STRUCTURE
Note:
1. Lightning filter needs to be configured when one RF cabinet is
installed alone or with a storage battery cabinet in heap or with
another RF cabinet in heap.
2. Lightning filter is unnecessary when one RF cabinet is installed
12 Confidential and Proprietary Information of ZTE CORPORATION
with a baseband power cabinet in heap.
Chapter 1
Cabinet
Storage
Battery Cabinet
Outer Structure Figure 13 shows the storage battery cabinet outer structure.
FIGURE 13 STORAGE BATTERY CABINET OUTER
S
TRUCTURE
– Cabinet dimension: 850 mm× 600
mm× 600 mm (height × width ×
depth)
Note:
It is common to place the storage battery cabinet under a baseband power cabinet or an RF cabinet, in which case the base needs
to be installed but the sun shield is unnecessary.
Table 8 describes the components of the storage battery outer
structure.
TABLE 8 STORAGE BATTERY CABINET OUTER STRUCTURE
D
ESCRIPTION
Component
Handle
Vent
Base
Description
Used to open and close cabinet door. Equipped
with alarm lock.
helps cabinet heat-dissipation.
Used to fix the cabinet with alarm system
against theft.
C
OMPONENTS
Inner Structure Figure 14 shows the storage battery cabinet inner structure.
Confidential and Proprietary Information of ZTE CORPORATION 13
ZXSDR BS8900 Hardware Manual
FIGURE 14 STORAGE BATTERY CABINET INNER
S
TRUCTURE
Table 9 describes the inner configuration of the storage battery
cabinet.
TABLE 9 STORAGE BATTERY CABINET INNER CONFIGURATION
Unit
Storage
Battery Set
Configuration
Compulsory 1~2 sets, configured according to
Description
actual conditions. A single cabinet
supports a maximum capacity of 300
Ah with each set of 150
storage battery cabinet is needed for
more demands.
14 Confidential and Proprietary Information of ZTE CORPORATION
D
ESCRIPTION
Ah. Extra
C
h a p t e r 2
Modules
Table of Contents
BBU Modules ....................................................................15
RRU Modules .................................................................... 34
BBU
Control
Modules
and Clock Module (CC)
Function CC module provides the following
�
Active/standby switchover
�
GPS system clock and RF reference clock
�
Abis interface function
�
Provision of the exchange plane for signaling stream and media
stream to implement GE Ethernet exchange function
�
One USB interface
�
Subrack management
�
Baseband modulation and demodulation
�
Provision of external clock extension interface (IEEE1588) and
communication extension interface (through the local mainte-
Principle The CC module comprises main control unit, GPS unit, power sup-
nance interface).
ply unit, storage unit, Abis interface unit, FI unit, MV unit, Ethernet
exchange unit, FPGA logic unit and EPLD logic unit.
Figure 15 illustrates the principle of the CC module.
functions:
Confidential and Proprietary Information of ZTE CORPORATION 15
ZXSDR BS8900 Hardware Manual
FIGURE 15 CC MODULE
P
RINCIPLE
Dimension The dimensions of CC module in mm are: 148.8 (H) x 19.0 (W) x
181.5 (D).
The dimensions of CC module in inches are: 5 14/16 (H) x 12/16
Panel Figure 16 shows the appearance of the CC module panel with han-
(W) x 7 2/16 (D)
dle. Figure 17 shows the appearance of the CC module panel with-
out handle.
FIGURE 16 CC MODULE PANEL (WITH
H
ANDLE
)
FIGURE 17 CC MODULE PANEL (WITHOUT
H
ANDLE
)
Note:
Some buttons will be covered if the CC module panel is equipped
with handle, as illustrated in Figure 16 and Figure 17.
Indicator Table 10 describes the indicators on the CC module panel.
16 Confidential and Proprietary Information of ZTE CORPORATION
Chapter 2
Modules
Indicator
Color Meaning
Name
TABLE 10 CC MODULE PANEL INDICATOR
E0S
Green
Indicator of
E1 link 1-4
E1S
Green
Indicator of
D
ESCRIPTION
Flash
Status
Flash frequency:
8Hz
E1 link 5-8
E2S
Green
Indicator of
E1 link 9-12
E3S
Green
Indicator of
E1 link 13-16
MS
Green
Ac-
No flash
tive/standby
indicator
REF
Green GPS antenna
indicator
Six flash
types
Description
At most 4 flashes
per second, and on
for 0.125 seconds
and off for 0.125
seconds.
The first second:
One flash means
that link 0 is normal.
Off when the link is
unavailable.
The third second:
Two flashes
the
first link is
mean
normal. Off
when the
link is
unavailable.
The fifth second:
Three flashes mean
the second link
is normal. Off
when the link is
unavailable.
The seventh
second: Four
flashes mean the
third link is normal.
Off when the link is
unavailable.
Recycle again per 8
seconds.
On refers to
the
active board
Off refers to
the
standby board.
On when the
antenna feeder
is normal.
Off when the
antenna feeder
and the satellite are
being initialized.
Slow flash: On for
1.5 seconds and
off for 1.5 seconds
when
the
antenna
feeder is broken
Quick flash: On for
0.3 seconds and off
for
0.3 seconds
when the antenna
feeder is normal but
can
not
search the
satellite.
Slower flash: On
for 2.5 seconds and
off for 2.5 seconds
when the antenna is
short—circuited.
Confidential and Proprietary Information of ZTE CORPORATION 17
ZXSDR BS8900 Hardware Manual
Indicator
Name
Color Meaning
ETH0
ETH1
ALM
RUN
18 Confidential and Proprietary Information of ZTE CORPORATION
Green
Green
Red
Green
Abis interface
link
status
indicator
ETH1
network port
link status
indicator
Alarm
Indicator
Running
Indicator
Flash
Status
No flash,
controlled
by PHY
No flash,
controlled
by PHY
Processor
Control
Six flash
types
Description
Quicker flash: On
for 70 ms and off
for 70 ms
when no
message is received
during initialization.
On when the Abis
interface physical
link is normal.
Off when the Abis
interface physical
link is broken.
On when the
ETH1 network port
physical link is
normal.
Off when the
ETH1 network port
physical link is
broken.
On when an alarm
occurs on the
module.
Off when no alarm
occurs on the
module.
On when the version
file begins to run to
request for the
logical address of
the module.
Slow flash: On for
1.5 seconds and off
for
1.5 seconds
when the module is
being powered on.
Normal flash: On
for 0.3 seconds and
off for 0.3 seconds
when the board
is under normal
operation.
Slow flash: On
for 2 seconds and
off for 2 seconds
when the board is
in active/standby
pre-changeover.
Slow flash: On
for 1
second and
off for 1 second
when
the
board is
in active/standby
changeover.
Fast flash: On
for 70 ms and off
for 70 ms when
communication
between CC
board and OMP
Indicator
Color Meaning
Name
Flash
Status
Description
is interrupted, or
communication
between active and
standby CCs/FSs
is
interrupted, or
communication
between CH
CC is interrupted,
or communication
between FS and CC
is interrupted.
Button Table 11 describes the buttons on the panel of CC module.
Button
M/S
RST
Description
Active/standby switchover button
Reset button
TABLE 11 CC MODULE PANEL BUTTON
D
ESCRIPTION
Panel Interface Table 12 describes interfaces on the panel of CC module.
GPS
antenna
Interface Name
TABLE 12 CC MODULE PANEL INTERFACE
ETH0
D
ESCRIPTION
Description
GE/FE port connection between
BBU and BSC
ETH1
EXT
Debugging or local maintenance
Connecting the external receiver
(RS485, PP1S and 2M
REF
Connecting
externally
TX/RX
Connecting the optical interface
between BBU and BSC
Chapter 2
interfaces)
Modules
and
Channel
Processing Module (CH)
Function CH module performs the following functions:
�
The forward modulation and reverse demodulation of base-
band
�
CDMA key technologies, such as diversity technique, RAKE
receiving, softer-handoff and power control
�
Mixed insertion of CHV and CHD modules to support 1x and
EV-DO service.
Confidential and Proprietary Information of ZTE CORPORATION 19
ZXSDR BS8900 Hardware Manual
Principle CHV module consists of processing unit, baseband modulation and
demodulation unit, FPGA unit, EPLD logic unit, power,
and MMC unit. Figure 18 shows the principle of CHV module.
FIGURE 18 CHV
M
ODULE
PRINCIPLE
Ethernet
unit
CHD module consists of multiplexing and de-multiplexing unit,
clock processing unit, ARM unit, DSP unit, modulation and demodulation unit and MPC unit. Figure 19 shows the principle of
CHD module.
FIGURE 19 CHD
M
ODULE
PRINCIPLE
Measurement The dimensions of CH module in mm are: 148.8 (H) x 19.0 (W) x
181.5 (D).
20 Confidential and Proprietary Information of ZTE CORPORATION
Chapter 2
Modules
The dimensions of CH module in inches are: 5 14/16 (H) x 12/16
Panel CH is classified into CHV and CHD. Figure 20 shows the panel ap-
(W) x 7 2/16 (D).
pearance of CHV module with and without handle respectively.
Figure 21 shows the panel appearance of CHD module with and
without handle respectively.
FIGURE 20 CHV MODULE
P
ANEL
FIGURE 21 CHD MODULE
Indicator Table 13 describes the indicators on the panel of CH
TABLE 13 CH MODULE PANEL INDICATOR
Indicator
Color Meaning
Name
BLS
Green
Confidential and Proprietary Information of ZTE CORPORATION 21
P
ANEL
Baseband link
(forward/reverse) running status
indicator
module.
D
ESCRIPTION
Flash Status Description
The flash
frequency
is
8Hz; it
indicates
the SERDES
receiving
status and
the forward
baseband
signal failure
while FS0/FS1
board
connects to
CH board.
Ordinal flash
on time, the
maximum
flash for four
times per second, 0.125s
On and 0.125s
Off
The first second: one flash
means communication
with FS0 is
normal and
Off means
communica-
ZXSDR BS8900 Hardware Manual
(50CHIP/10ms)
Indicator
Name
Color Meaning
SCS
ST
CST
22 Confidential and Proprietary Information of ZTE CORPORATION
Green System clock
running status
indicator
Green Reservation
Green Communica-
tion status
indicator between CPU
and MMC
Flash Status Description
tion is broken.
The forth second: two
flashes
mean
communication
with FS1
is normal
and
Off means
communication is broken.
Recycle
again
per 6 seconds.
If the
ward
for-
IO signal
check from
the channel
chip output is
wrong, it is
always
off.
If the 61.44M
clock or the
32CHIP clock
is wrong, it is
Three
statuses: On,
quick flash
and
Off.
always
On: the
system clock
running is
normal.
off.
Quick flash:
10ms wrong,
0.125s On and
0.125s Off.
Off:
50CHIP
wrong.
Controlled by
-
CPU, EPLD
transparent
transmission
mode
Controlled by
CPU, EPLD
transparent
transmission
mode
On: normal
communication between
CPU
and MMC
Off: failed
communication between
CPU and MMC.
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