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Contents
Preparing for installation ············································································································································· 1
Accessories supplied by the router ························································································································· 3
User-supplied tools and equipment ························································································································ 3
Installing the router ······················································································································································· 5
Installation prerequisites ··················································································································································· 5
Installing the router in a rack ··········································································································································· 5
Mounting slide rails to the rack ······························································································································ 6
Installing cage nuts to the rack ······························································································································· 7
Installing the cable management brackets ············································································································· 7
Installing the mounting brackets ······························································································································ 9
Installing an impedance carrier (optional) ·········································································································· 10
Installing the router to a rack ······························································································································· 10
Verifying the installation ······································································································································· 11
Grounding the router ····················································································································································· 11
Installing the power system ··········································································································································· 12
Installing a DC power supply ······························································································································· 13
Installing an AC power supply ····························································································································· 13
Installing a card ······························································································································································ 14
Installing an SPE subcard ·············································································································································· 15
Connecting power cables ············································································································································· 16
Connecting an AC power cable ·························································································································· 17
Connecting DC power cables ······························································································································ 17
Verifying the installation ················································································································································ 19
Connecting the router to the network ······················································································································· 20
Logging in to the router ················································································································································· 20
Connecting the console cable ······························································································································ 20
Setting up a configuration environment ·············································································································· 21
Powering on the router ········································································································································· 26
Verifying router operation (recommended) ········································································································ 28
Connecting the router to the network ··························································································································· 28
Connecting through an AUX cable ····················································································································· 29
Connecting through an Ethernet twisted pair cable ·························································································· 29
Connecting through an optical fiber ··················································································································· 29
Cable routing recommendations ·································································································································· 31
Displaying electrical label data ···································································································································· 33
Displaying card information ········································································································································· 33
Rebooting the router ······················································································································································ 34
Displaying the router power supply system ················································································································· 35
Configuring temperature alarm thresholds for a card································································································ 36
Displaying temperature information for a router ········································································································ 36
Configuring in-service hardware failure diagnosis ···································································································· 36
iii
Displaying the operating state of a fan ······················································································································· 37
Displaying alarm information for a card ····················································································································· 37
Verifying and diagnosing transceiver modules ·········································································································· 38
Introduction to transceiver modules ····················································································································· 38
No terminal display ·············································································································································· 43
Garbled terminal display ······································································································································ 43
Power supply system failure ·········································································································································· 43
Fan failure ······································································································································································· 44
MPU failure ····································································································································································· 45
LPU failure ······································································································································································· 46
Interface failure ······························································································································································· 46
Technical support ··························································································································································· 47
Replacing a power supply system ································································································································ 48
Replacing a DC power supply ····························································································································· 48
Replacing an AC power supply ··························································································································· 49
Cleaning a power supply air filter ······························································································································· 51
Replacing a card ···························································································································································· 51
Replacing a subcard ······················································································································································ 53
Replacing a fan tray ······················································································································································ 54
Replacing a fan tray for an A8805/A8812 ······································································································ 54
Replacing a fan tray for an A8808 ···················································································································· 55
Replacing a chassis air filter ········································································································································· 56
Replacing chassis air filters for an A8808 ········································································································· 56
Replacing an air filter for an A8805/A8812 ··································································································· 57
Replacing a CF card ······················································································································································ 57
Replacing a transceiver module ··································································································································· 59
Cooling system ······················································································································································ 68
Power supply system ············································································································································· 77
Power supply LEDs ························································································································································· 84
Fan LEDs ·········································································································································································· 84
MPU LEDs ········································································································································································ 85
CF card status LED ················································································································································· 85
Network management port LEDs ························································································································· 85
LPU status LEDs ······················································································································································· 86
MPU status LEDs ···················································································································································· 86
SPC card LEDs ································································································································································ 86
LINK/ACT LED ······················································································································································· 87
Combo interface LED ············································································································································ 87
LINK and ACT LEDs ··············································································································································· 87
SPE card LED ·································································································································································· 88
Subcard LEDs ·································································································································································· 88
Connecting the AC power supply to a power strip with lightning protection ························································· 94
Installing a lightning protector for a network port ······································································································ 95
Labels for cables····························································································································································· 96
Labels for signal cables ········································································································································ 96
Labels for power cables ········································································································································ 96
Generic labels························································································································································ 97
Labels for devices ··························································································································································· 98
Filling in labels ······························································································································································· 98
Affixing labels ································································································································································· 98
Affixing a label to a signal cable ························································································································ 98
Affixing a label to a power cable ······················································································································· 99
Affixing a generic label ······································································································································ 100
Affixing a label to a device ································································································································ 101
Guidelines ····································································································································································· 101
Examples ······································································································································································· 101
Engineering labels for network cables ·············································································································· 101
Engineering labels for optical fibers·················································································································· 103
Engineering labels for DC power cables ·········································································································· 105
Engineering labels for AC power cables ·········································································································· 106
Engineering labels for devices ··························································································································· 106
Support and other resources ·································································································································· 112
Contacting HP ······························································································································································ 112
Subscription service ············································································································································ 112
Related information ······················································································································································ 112
This series is a line of data center routers. You can deploy the A8800 routers at the core layer and
distribution layer of large-scale MANs, the core layer of enterprise networks, and the distribution layer
of carrier networks. Table 1 lists the chassis models in the series.
Table 1 Router chassis
Chassis Power in
A8805 AC/DC Horizontal 2 5
A8808 AC/DC Vertical 2 8
A8812 AC/DC Horizontal 2 12
NOTE:
•
An MPU is the supervisor engine of a router. An LPU receives and forwards traffic and provides network
services.
• The LPU slots can hold SPE cards, SPC cards, and OAA modules. For card specifications, see
"Hardware specifications."
ut Card slot orientationMPU slotsLPU slots
Safety recommendations
ARNING!
Before installation and operation, read all of the safety instructions in the
supplied with your device.
This section provides general recommendations. For more information, see the Compliance and
Safety Guide.
Compliance and Safety Gui
de
• Turn off all power and remove all power cables before opening the chassis.
• Unplug all power and external cables before moving the chassis.
• Locate the emergency power-off switch before installation and shut off power immediately if
necessary.
• Always wear an ESD-preventive wrist strap when installing the router.
• Do not stare into the open optical interface. The laser light emitted from the optical fiber may
hurt your eyes
• Use a good grounding system to protect your router against lightning shocks, interference, and
ESD. This is essential to the operating reliability of your router.
• Make sure the resistance between the chassis and the ground is less than 1 ohm.
1
Installation site requirements
p
y
y
x
The following tables provide information about temperature and humidity, cleanness, and air quality
requirements.
CAUTION:
If condensation appears on the router when you move it to a high-temperature environment, dry the
router before powering it on to avoid short circuits.
To ensure normal operation of the router, make sure the room temperature meets the requirements
described in Table 2.
Table 2 Temperature requirements
Tem
erature Range
Long term: 0°C to 45°C (32°F to 113°F)
Operating temperature
Storage temperature –40°C to +70°C (–40°F to +158°F)
Maintain appropriate humidity in your equipment room, as described in Table 3.
Table 3 Humidity requirements
Short term: –10°C to +55°C (14°F to 131°F) (no more than 96 hours of
continuous operation in less than 15 days in one year)
Humidit
Operating humidity (noncondensing) 5% to 95%
Storage humidity (noncondensing) 5% to 95%
Range
Lasting high relative humidity tends to cause poor insulation, increased electricity consumption,
mechanical property change of materials, and corrosion of metal parts. Lasting low relative humidity
is likely to result in loose screws due to washer contraction, and even ESD, which causes the circuits to
fail.
Table 4 Dust concentration limit in the equipment room
Ph
sical active substance Concentration limit (particles/m3)
Dust particle ≤3 x 104 (No visible dust on desk over three days)
Note: Dust particle diameter ≥ 5μm
Table 5 Limits on harmful gases in the equipment room
Gas Ma
SO
2
H2S 0.06
concentration (mg/m3)
0.2
NH
3
Cl
2
0.05
0.01
2
Rack-mounting requirements
Before rack-mounting a router, make sure the rack meets the following requirements:
• HP recommends that the router is mounted in an open rack. If you mount a router in a closed
rack, make sure there is a good heat dissipation system.
• The rack is steady enough to support the router and accessories.
• The router fits the rack size. Leave some space beside the left and right panels of the router for
chassis heat dissipation.
Installation tools
Accessories supplied by the router
Item Quantity Purpose
Console cable 1
Grounding cable 1 Grounding the router
Mounting brackets 1 pair Fastening the router to the rack
Cable management
brackets
M4*8 screw 1 set
M6*12 screw 1 set
M6 cage nut 1 set
ST2.9*9.5 selftapping screw
Impedance carrier
ESD-preventive wrist
strap
1 pair Cable management
1 set
1 (supplied with the
A8808 only)
1 ESD prevention
Connecting the console port and the configuration
terminal for router login
• Fastening the mounting brackets to the router
• Fastening the cable management brackets to the
Fastening the router to the rack
Fastening the cable management brackets to the
mounting brackets (excluding the A8808)
Installed at the rear of the router to block air from
entering the chassis
router
NOTE:
The number of screws and nuts supplied with the router may vary.
User-supplied tools and equipment
• Cross-head screwdriver P1 – 100 mm, P2 – 150 mm, and P3 – 250 mm
• Flat-blade screwdriver P4 – 75 mm
• Diagonal pliers, wire-stripping pliers, and wire clippers
• Meters and equipment such as hub and multimeter
3
The rack accessories and installation tools are not described in this section. The accessories and
installation tools may vary depending on the rack model. For more information, see the installation
guide for the corresponding rack.
4
Installing the router
Figure 1 shows the steps for installing the router.
Figure 1 Installation flowchart
Installation prerequisites
Before installing the router:
• Read "Preparing for installation" carefully and make sure the installation site meets all of the
requirements.
• Using the packing list supplied with your router, inspect the router to make sure you have all of
the items listed and verify that the router was not damaged during shipment. If anything is
damaged or missing, contact HP immediately.
Installing the router in a rack
Confirm the following before starting installation:
• The rack is sturdy and securely grounded.
• There is at least 0.8 m (2.62 ft) of clearance around the rack for heat dissipation and installation.
5
• There is no debris inside or around the rack.
• The router can be installed only in a 4-post 19-inch standard rack.
Mounting slide rails to the rack
If the rack already has slide rails, skip this section. Slide rails or rack shelves are not provided with the
router. Prepare them yourself or order them from HP. Make sure the slide rails or rack shelves you use
are standard accessories.
In addition to slide rails, you can use a rack shelf to support the router. This document describes how
to install slide rails only.
The following procedure uses a 19-inch rack as an example.
Before installing the slide rails, verify that the slide rails can support the weight of the router. For the
weights of the router, see "Hardware specifications."
To install the slide rails:
1. Mark the positions of the slide rails on the rack. Make sure the space above the slide rails is
greater than the height of the router chassis. For the router dimensions, see "Hardware
specifications."
2. Install the slide rails to the lowest possible position when installing a single router on the rack.
Make sure the bottom edge of the slide rail aligns with the middle of the narrower metal area
between holes.
3. Align the screw holes on the two sides of the slide rails with the corresponding holes on the
rack, and then fasten the screws.
4. Install the other slide rail in the same way. Keep the two slide rails at the same height so that
the router can be placed evenly.
The height of the front panel of the rack is a measurement of one RU (44.45 mm, or 1.75 in). As
shown in Figure 2, each 1 RU has three holes with center-to-center spacing between the holes of
15.87 mm (0.63 in), 15.87 mm (0.63 in), and 12.70 mm (0.5 in).
Figure 2 Installing the slide rails
(1) Middle of the narrower metal area between holes (2) 1 RU
6
NOTE:
The appearance and installation methods of slide rails depend on the slide rail types.
Installing cage nuts to the rack
Before mounting the chassis to the rack, install cage nuts to the front square-holed brackets of the rack,
as shown in Figure 3.
When preparing for installation, make sure the total height of the routers to be installed does not
exceed the height of the rack, and reserve enough clearance for cable routing.
1. Align the mounting bracket with the left rack post, making sure the bottom edge and the slide
rail are level.
2. Mark the positions of the cage nuts on the rack post according to the installation holes on the
mounting bracket.
3. Install the cage nuts to the right positions. (Each installation hole on the mounting bracket
corresponds to one cage nut.)
4. Repeat steps 1 through 3 to install cage nuts to the correct rack post.
Figure 3 Installing the cage nuts
Installing the cable management brackets
This section includes separate steps for installing the cable management brackets on the A8808 and
A8805/A8812.
Installing the cable management brackets on the A8808
The A8808 has two cable management brackets and are installed using the same procedure. The
signal cable management brackets are installed at the upper part of the router, and the power cable
management brackets are installed at the lower part of the router.
7
To install a cable management bracket:
1. Attach the cable management bracket to the chassis, and align the screw holes on the cable
management bracket with the screw holes on the chassis, as shown in Figure 4.
2. Screw in and fasten the M4 screws with a screwdriver.
Figure 4 Installing the cable management brackets on the A8808
Installing the cable management brackets on the A8805/A8812
Install the cable management brackets to the mounting brackets (cable management brackets and
mounting brackets are required at both sides of the chassis). Figure 5 shows how to install a right
cable management bracket. The method for installing the left cable management bracket is the same
as the right.
8
Figure 5 Installing the cable management bracket on the A8805/A8812
Installing the mounting brackets
Before installing the router to the rack, install the mounting brackets to the chassis. Figure 6 shows
how to install the mounting brackets to an A8805 router.
Figure 6 Installing the mounting brackets
9
Installing an impedance carrier (optional)
An impedance carrier is shipped with the A8808 only. You can install the impedance carrier at the
rear of the chassis (where an air filter is located) to block the airflow from entering the rear of the
chassis.
Install an impedance carrier for routers that have front-to-rear airflow, as shown in Figure 7.
To install an impedance carrier:
1. Loosen the captive screws on the air filter to remove the air filter.
2. Install the impedance carrier, and fasten the captive screws on the impedance carrier.
Figure 7 Installing an impedance carrier
Installing the router to a rack
CAUTION:
• Make sure you have installed a rack shelf or slide rails on the rack for supporting the router, and the
rack shelf or the slide rails are sturdy enough to support the weight of the router chassis and all
accessories. Do not install the router to the rack using only mounting brackets.
• To install multiple routers on the rack, mount the heaviest router at the bottom of the rack.
To mount the router in the rack:
1. Use several people to place the router on the rack shelf or slide rails, and then slide the router
into the rack until the mounting brackets on the router touch the front rack posts.
2. Fasten the mounting brackets to the rack posts with mounting screws, as shown in Figure 8. If
the screw holes on the mounting brackets cannot align with the cage nuts on the rack, verify
10
that the bottom edge of the slide rail aligns with the middle of the narrowest metal area
W
g
between holes, and that the cage nuts are installed in the correct holes.
Figure 8 Installing the router in a standard 19-inch rack
Verifying the installation
Use the following checklist to make sure the router has been installed correctly.
Table 6 Installation checklist
Item
Mounting brackets are firmly attached to the router.
The router is installed in the correct position.
Mounting brackets on the router are firmly attached to the rack.
There is enough space for heat dissipation around the router.
Grounding the router
ARNING!
For the safety of operators and equipment, ground the router securely. Make sure the resistance
reading between the router chassis and the ground is less than 1 ohm. Most racks are equipped with a
grounding strip. You can connect the yellow-green grounding cable of the router to the
Connect the grounding cable to the earthing system in the equipment room. Do not connect it to a fire
main or lightning rod.
Result
Remarks
Yes No
rounding strip.
The positions of the grounding terminals on the A8805, A8808, and A8812 are similar. The
following procedure uses the A8805 as an example.
To connect the grounding cable:
1. Remove the grounding screw from the router chassis, as shown in Figure 9.
2. Put the supplied OT terminal of the grounding cable on the grounding screw. Use the supplied
grounding cable (CAT 6 cable with dual-hole OT terminals).
11
3. Insert the grounding screw into the grounding hole and tighten the screw.
g
4. Connect the other end of the grounding cable to the grounding strip of the rack in the same
way.
Figure 9 Connecting the grounding cable
If there is no grounding point on the rack, you can attach the grounding cable to a grounding strip.
The installation procedures are similar.
Installing the power system
CAUTION:
Hold a power supply by the bottom when moving it. Never attempt to lift a power supply by its handle
because the handle is not desi
to the power supply.
The router supports both AC and DC power supply modes. You can select either AC or DC power
supply mode as needed. 1+1 redundancy is recommended.
• DC power supply—Includes NEPS2000-D and NEPS3500-D models.
• AC power supply—One or two AC power supplies are installed in the AC power frame
NEPS3500-A.
To prepare for installation:
1. Put on an ESD-preventive wrist strap and make sure it is properly grounded.
ned to support weight. Doing so might result in bodily injury or damage
2. Make sure the power switch of the power supply is in the OFF position.
3. Remove the blank panel (if any) from the slot to be used.
12
Installing a DC power supply
1. Remove the air filter frame of the power supply and gently pull the DC power supply handle out.
2. Holding the handle of the power supply with one hand and supporting the bottom of the power
supply with the other hand, push the power supply slowly along the slide rails until it makes
close contact with the backplane, as shown in Figure 10.
3. Fasten the mounting screws on the power supply panel with a Phillips screwdriver.
4. Cover the power supply with the removed air filter frame.
Figure 10 Installing a DC power supply
Installing an AC power supply
Installing a NEPS3500-A AC power frame
For a router that requires power supply redundancy, install the same number of power supplies in the
two power frames.
1. Push the power frame slowly along the slide rails until it makes close contact with the backplane.
2. Fasten the mounting screws on the power frame panel with a Phillips screwdriver.
Figure 11 Installing a NEPS3500-A power frame
13
Installing an NEPS1800-A AC power supply
1. Pull the handle of the power supply downward to the unlock position.
2. Gently push the power supply into the AC power frame (NEPS3500-A) until the rear side of the
power supply makes close contact with the power frame backplane.
3. Push the handle upward so that it locks the power supply in place.
Figure 12 Installing an AC power supply
Installing a card
All cards (excluding subcards) for the routers are hot-swappable.
You install MPUs and LPUs in the same way.
To prepare for installation:
1. Put on an ESD-preventive wrist strap and make sure it is properly grounded.
2. Remove the blank panel (if any) from the slot to be used. Keep the blank panel and protection
cover for future use
3. Prepare the card to be installed.
To install a card:
1. Remove the protection cover before installing the card:
a. Put on an ESD-preventive wrist strap, and then use a Phillips screwdriver to loosen the
captive screws that fasten the card to the protection cover.
b. Gently pull the card out of the protection cover, as shown in Figure 13.
14
Figure 13 Removing the protection cover
2. Move the ejector levers of the card outward. Supporting the bottom of the card with both hands,
slowly push the card into the slot along the slide rails.
3. Push the ejector levers inward to ensure close contact between the card and the backplane.
4. Position the screws in the holes and fasten them with a screwdriver to attach the card.
Figure 14 Installing a card
Installing an SPE subcard
CAUTION:
Do not install a subcard to the SPE card when the router is powered on.
This section describes how to install a subcard to an SPE card. The installation of an SPE card is the
same as a common card. For more information, see "Installing a card"
The subcards are not hot-swappable. You can install a subcard using one of the following methods:
• Power off the router and install the subcard to the SPE card on the router.
• When the router is powered on, install the subcard to the SPE card that has not been installed,
and then install them to the router.
To prepare for installation:
1. Put on an ESD-preventive wrist strap and make sure it is properly grounded.
2. Make sure the router is powered off and installed with the SPE card.
15
3. Remove the blank panel (if any) from the slot to be used on the SPE card.
4. Unpack the subcard.
To install a subcard:
1. Turn the ejector levers of the subcard outward simultaneously with both hands, and then slide
the subcard (with the right side up) straight into the SPE card along the slide rails until the
ejector levers touch the panel of the SPE card, as shown in Figure 15.
2. Push against the front panel of the subcard. When the front panel is close enough to the SPE
card, pivot the ejector levers of the subcard inward with both hands so that the front panel is
flush with the panel of the SPE card.
3. Use a Phillips screwdriver to fasten the mounting screws on the subcard.
Figure 15 Installing a subcard
Connecting power cables
Check the following items before connecting power cables:
• For lightning protection, the AC power should be routed through an external lightning device
into the router. For more information, see "Lightning protection."
• The power switch on the power supply is in the OFF position.
16
Connecting an AC power cable
A
CAUTION:
NEPS3500-A requires a 16 A power cable (AC), so you must use a 16 A busbar and make sure the
C power source can provide enough power.
The following procedure uses the AC power supply that comprises one 3500 W AC power frame and
two 1800 W power supplies to show how to install AC power cables.
To connecting an AC power cable:
1. Insert the ends of the bail latch into the holes on the left side of the upper power supply.
2. Connect one end of the AC power cable to the AC receptacle on the module.
3. Use a wiring tie through a notch of the bail latch, and bend the power cable so that the wiring
tie can bind the power cable with the bail latch.
4. Repeat steps 2 and 3 to bind another power cable with a wiring tie through the other notch.
5. Connect the other end of the AC power cable to the external power supply system.
Figure 16 Connecting a NEPS3500-A AC power cable
Connecting DC power cables
The DC power cables for the NEPS2000-D and NEPS3500-D are connected in the same way. The
procedure in this section uses the NEPS2000-D.
17
W
ARNING!
To protect operators from being shocked, install the protection cover over the DC terminal block
immediately after you connect the power cables.
To connect the DC power cables:
1. Remove the protection cover of the DC terminal block from the DC power supply.
2. Loosen the fastening screws on the top two terminals with a Phillips screwdriver.
3. Connect one end of the blue –48 VDC power cable to the negative terminal (–) on the power
supply and fasten the screw. Connect the other end of the cable to the negative –48 V terminal
(–) on the power source.
The –48 VDC cable is marked with a minus sign (–).
4. Connect one end of the black DC power cable to the RTN (+) terminal on the power supply and
fasten the screw. Connect the other end of the cable to the RTN (+) terminal on the power
source.
The black DC power cable is marked with a plus (+) sign.
5. Put the protection cover over the DC terminal block.
Figure 17 Connecting DC power cables
18
W
Verifying the installation
ARNING!
Before verifying the installation, make sure you have turned off the power to avoid bodily injury and
router damage.
Use the following checklist to make sure the router has been installed correctly.
Table 7 Installation checklist
Item
The grounding cable is grounded correctly.
Power supplies are installed correctly and firmly seated.
Power cables are connected correctly.
MPUs are installed correctly and have close contact with the
backplane.
LPUs and subcards are installed correctly and have close contact
with the backplane.
Result Remarks
YesNo
19
Connecting the router to the network
Logging in to the router
The most common way to log in to a router is through the console port. It is also the prerequisite to
configuring other login methods.
Connecting the console cable
A console cable is an 8-core shielded cable, with a crimped RJ-45 connector at one end for
connecting to the console port of the router, and a DB-9 female connector at the other end for
connecting to the serial port on the console terminal, as shown in Figure 18.
Figure 18 Console cable
Table 8 Console cable pinouts
RJ-45 pin Signal DB-9 pin Signal
1 RTS 8 CTS
2 DTR 6 DSR
3 TXD 2 RXD
4 CD 5 SG
5 GND 5 SG
6 RXD 3 TXD
7 DSR 4 DTR
8 CTS 7 RTS
20
Figure 19 Connecting the router and the PC through the console port
To connect the console cable:
1. Connect the DB-9 connector of the console cable to the serial port of a PC or terminal.
2. Connect the RJ-45 connector of the console cable to the console port of the MPU of the router.
3. When you remove the console cable, first unplug the RJ-45 end, and then unplug the DB-9 end.
Setting up a configuration environment
1. Launch a terminal emulation utility (such as HyperTerminal in Windows XP/Windows 2000).
Select Start > All Programs > Accessories > Communications > HyperTerminal to access the
HyperTerminal window.
The Connection Description dialog box appears.
21
Figure 20 Connection Description dialog box for HyperTerminal
2. Enter the name of the new connection in the Name box, and then click OK.
The system displays the interface, as shown in Figure 21.
22
Figure 21 Selecting a port for the HyperTerminal connection
3. Select a port from the Connect using list, and then click OK.
4. Set the Bits per second to 9600, Data bits to 8, Parity to None, Stop bits to 1, and Flow control
to None, and click OK.
23
Figure 22 Setting the serial port parameters
24
Figure 23 HyperTerminal window
5. Select File > Properties in the HyperTerminal window.
6. On the Settings tab, select VT100 for terminal emulation, and click OK.
NOTE:
HP recommends that you select the Windows keys option.
25
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