Installing An M320 Control Board; Figure 92: Installing A Cb - Juniper M320 Hardware Manual

Installing an M320 Control Board

Figure 92: Installing a CB

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Copyright © 2015, Juniper Networks, Inc.
To install a CB (see Figure 92 on page
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Carefully align the sides of the CB with the guides inside the chassis.
2.
Slide the CB into the chassis, carefully ensuring that it is correctly aligned.
3.
Grasp both ejector handles, and press them inward to seat the CB.
4.
Tighten the captive screws on the ejector handles, using a Phillips (+) screwdriver,
5.
number 2.
If applicable, reconnect the cable previously plugged into the port or ports.
6.
If power is applied to the Routing Engine and its corresponding CB is functioning
7.
normally, the CB comes online automatically. To verify that the CB is functioning
normally, check the LEDs on its faceplate. The green
few minutes after the CB is installed. If the
the CB again. If the
FAIL
Contact your customer support representative.
To check the status of the CB, use the CLI command:
user@host> show chassis environment cb
Preventing Electrostatic Discharge Damage to an M320 Router on page 318
M320 Host Subsystem Description on page 23
Maintaining the M320 Host Subsystem on page 269
Taking the M320 Host Subsystem Offline on page 213
Chapter 26: Replacing Host Subsystem Components
225):
LED is lit steadily, remove and install
FAIL
LED still lights steadily, the CB is not functioning properly.
LED should light steadily a
OK
225