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Installing The Chassis Ground Connection - Cisco ASR 903 Installation Manual

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Chapter 3
Installing the Cisco ASR 903 Router

Installing the Chassis Ground Connection

Before you connect the power or turn on the power to the Cisco ASR 903 Router, you must provide an
adequate chassis ground (earth) connection to your router.
This section describes how to ground the Cisco ASR 903 Router chassis. The router provides two
locations for attaching a 2-hole grounding lug according to the rack-mounting brackets you use to install
the router. The Cisco ASR 903 Router supports the following rack-mounting types:
Figure 3-9
1
Figure 3-10
1
OL-25178-03
EIA 19-inch rack—Attach the grounding lug to the rear of the router, as shown in
Attaching a Grounding Lug to the Rear of the Router
Grounding lug (19-inch EIA rack)
300 mm ETSI cabinet—Attach the grounding lug on the rack-mount bracket on the front of the
router, as shown in
Figure
Attaching a Grounding Lug to the Rack-Mount Bracket
GE-0
GE-1
GE-2
GE-3
GE-4
GE-5
GE-6
GE-7
GE-0
GE-1
GE-2
GE-3
GE-4
GE-5
GE-6
GE-7
GE-0
GE-1
GE-2
GE-3
GE-4
GE-5
GE-6
GE-7
L
0
S
L
1
S
L
2
S
L
3
S
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4
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5
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6
S
L
L
0
S
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S
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L
Grounding lug (300 mm ETSI cabinet)
3-10.
PWR
STAT
PWR
STAT
PWR
RUDY RSP
STAT
1PPS
1PPS
1OMHZ
PWR
IN
OUT
IN
MEM
CONSOLE
STAT
7 S
PWR
STAT
7 S
INPUT
INPUT
24V—60V
28A
PWR
OK
OK
OUTPUT
OUTPUT
FAIL
FAIL
STAT
7 S
Cisco ASR 903 Router Hardware Installation Guide
Installing the Chassis Ground Connection
1
FAN TEMP
CRIT MAJ MIN
SYNC
ACT
PWR
1OMHZ
OUT
TOD
BITS
MGMT
STAT
ENET
ALARM
24V—60V
28A
Figure
3-9.
1
3-7

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