Replacing a TXP-F13 SIB
- Removing a TXP-F13 SIB
- Installing a TXP-F13 SIB
Removing a TXP-F13 SIB
The TXP-F13 SIBs are located in the rear of the chassis
in slots SIB0 through SIB15. Each TXP-F13 SIB weighs
approximately 17.0 lb (7.7 kg).
TXP-F13 SIBs in active data switching planes are hot-pluggable.
TXP-F13 SIBs in a spare data switching planes are hot-insertable and
hot-removable. When you remove a TXP-F13 SIB in a spare switching
plane, traffic forwarding continues without any degradation as long
as the TXP-F13 SIBs in the other four switching planes remain in the
chassis and online. When you remove a TXP-F13 SIB in an active switching
plane, traffic forwarding continues without any degradation in the
active switching planes. However, removing a TXP-F13 SIB in an active
switching plane causes performance degredation in that switching plane.
To avoid performance degredation, you can take the switching plane
offline before you remove a TXP-F13 SIB.
For more information about the commands for this procedure,
see the Junos OS System Basics and Services Command Reference
.
To remove a TXP-F13 SIB (see Figure 1):
- Have ready an antistatic mat for the TXP-F13 SIB, and
one dust cover for each fiber-optic array cable you remove from the
TXP-F13 SIB.
- Attach an electrostatic discharge (ESD) grounding strap
to your bare wrist, and connect the strap to one of the ESD points
on the chassis.
- Ensure the fiber-optic array cables connected to to the
TXP-F13 SIB are labeled so you can reconnect them correctly.
- Take the switching plane offline.
See Taking a Switching Data Plane Offline.
- Use one of the
following methods to take the TXP-F13 SIB offline:
- Issue the request chassis sib f13 slot slot-number offline command. For example:
user@host> request chassis sib f13 slot 6 offline
Online initiated, use "show chassis sibs" to verify
- Press and hold the SIB ONLINE/OFFLINE button in the middle of the TXP-F13 SIB faceplate to take the TXP-F13
SIB offline. Press and hold the EVEN and ODD ONLINE/OFFLINE buttons on either side of the SIB ONLINE/OFFLINE button to take the connections to the TXP-T1600
SIBs offline. Hold the buttons
down until all the LEDs on the faceplate are not lit.
- Remove each fiber-optic array cable (up to eight) from
the TXP-F13 SIB.
 | Warning:
Do not look directly into a fiber-optic array port
or a connector at the end of a fiber-optic array cable connected to
a port. The fiber optics emit laser light that can damage your eyes. |
- Install a dust cover on each cable you removed from the
TXP-F13 SIB. Align the dust cover with the cable and carefully press
them together until they stop. The cover and the cable are keyed to
ensure proper mating.
- Move the fiber-optic array cables to the side of the TXP-F13
SIB so they do not interfere with the removal of the TXP-F13 SIB.
You might need to remove the cables from the cable management system.
- Simultaneously turn both ejector handles on the left and
right of the faceplate counterclockwise to unseat the TXP-F13 SIB.
- Grasp both ejector handles, pull firmly, and slide the
TXP-F13 SIB about three-quarters of the way out of the chassis.
 | Caution:
Be prepared to support the weight of the TXP-F13 SIB
before you slide it completely out of the chassis. When the TX-SIB is out of the chassis, do not hold it by its
ejector handles or edge connectors. They cannot support its weight. |
- Place one hand underneath the TXP-F13 SIB to support it
and slide it completely out of the chassis. Place it on the antistatic
mat.
 | Caution:
Do not stack hardware components on one another after
you remove them. Place each component on an antistatic mat resting
on a stable, flat surface. |
- If you are not reinstalling a TXP-F13 SIB into the emptied
TXP-F13 SIB slot within a short time, install a blank TXP-F13 SIB
panel over the slot to maintain proper airflow in the TXP-F13 SIB
card cage.
Figure 1: Removing a TXP-F13 SIB
Installing a TXP-F13 SIB
To install a TXP-F13 SIB into the rear of the chassis
(see Figure 2):
 | Caution:
Be prepared to support the weight of the TXP-F13 SIB
(approximately 17.0 lb (7.7 kg)) before you lift it. |
- Have ready a replacement TXP-F13 SIB or TXP-F13 SIB blank
panel.
- Attach an electrostatic discharge (ESD) grounding strap
to your bare wrist, and connect the strap to one of the ESD points
on the chassis.
- Locate the slot in the TXP-F13 SIB card cage in which
you plan to install the TXP-F13 SIB.
- Place one hand under the bottom edge of the TXP-F13 SIB
and one hand around the top of the TXP-F13 SIB faceplate.
 | Caution:
When the TXP-F13 SIB is out of the chassis, do not
hold it by its ejector handles or edge connectors. They cannot support
its weight. |
- Lift the TXP-F13 SIB into place and carefully align the
left and right edges with the guides inside the card cage.
- Carefully slide the TXP-F13 SIB all the way into the card
cage until you feel resistance.
- Simultaneously turn both left and right ejector handles
clockwise to seat the TXP-F13 SIB.
- Remove the dust cover from each TXP-F13 SIB fiber-optic
array port.
- Remove the dust covers from the fiber-optic array cable
connectors.
- Clean the fiber-optic array ports and cables.
 | Caution:
While you replace a fiber-optic array cable, small
deposits of oil, dust, and debris can enter the TXP-F13 SIB and TXP-T1600
SIB fiber-optic array ports, the fiber-optic array cables. We recommend
that you clean the optics in these components, as well as the dust
covers, immediately before connecting them. |
- Connect
each cable (up to eight) to its corresponding TXP-F13 SIB port. Align
the cable with its corresponding TXP-F13 SIB port and carefully press
it into the port until it stops. The cable and port are keyed to ensure
proper mating.
 | Note:
The optics in a fiber-optic array port are spring loaded,
so you must continue to apply force to a fiber-optic array cable or
loopback connector while securing it to a TXP-F13 SIB. |
- Use one of the
following methods to bring the TXP-F13 SIB online:
- Press and hold the SIB ONLINE/OFFLINE button in the middle of the TXP-F13 SIB faceplate. The green OK LED should light steadily a few minutes after the TXP-F13
SIB is installed.
- Issue the following CLI command:
user@host> request chassis sib f13 slot slot-number online
Verify that the TXP-F13 SIB is functioning normally:
- Verify that the green OK LED is lit steadily.
- Verify that the TXP-F13 SIB is online by issuing the show chassis sibs command.
Figure 2: Installing a TXP-F13 SIB
Published: 2011-12-19