Replacing A T4000-Sib; Removing A T4000-Sib; Figure 133: Installing An Scg - Juniper T4000 Hardware Manual

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Replacing a T4000-SIB

Removing a T4000-SIB

Copyright © 2013, Juniper Networks, Inc.
5.0 V
5.0 V bias
5.6 V
8.0 V bias
Bus Revision

Figure 133: Installing an SCG

T4000 SONET Clock Generators (SCGs) Description on page 49
T4000 SONET Clock Generators (SCGs) LEDs on page 51
Maintaining the T4000 SCGs on page 187
Troubleshooting the T4000 SCGs on page 208
Preventing T4000 Electrostatic Discharge Damage on page 296
Chassis Operational Mode Commands
Five SIBs are installed in the router. The SIBs are located in the rear of the chassis in the
slots marked through
SIB0
Removing a T4000-SIB on page 279
1.
Installing a T4000-SIB on page 280
2.
To remove a SIB (see Figure 134 on page
Place an electrostatic bag or antistatic mat on a flat, stable surface.
1.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
Loosen the captive screws (using a Phillips (+) screwdriver, number 2) on the ejector
3.
handles on each side of the SIB faceplate.
Flip the ejector handles outward to unseat the SIB.
4.
Chapter 19: Replacing T4000 Router Hardware Components
5037 mV
5001 mV
5777 mV
7582 mV
40
. Each T4000 SIB weighs approximately 6.5 lb (3.0 kg).
SIB4
280):
279