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TX Matrix Hardware Guide
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Troubleshooting the TX-SIB Adapters When an RX LED Is Not Steadily Green
Problem
Solution
218
If the red LED below a TX-SIB on the craft interface is on, look at the display on
4. FAIL
the craft interface to check the status of the TX-SIB.
If an RX LED next to a fiber-optic array adapter is lit yellow, the fiber-optic array cable
5.
plugged into the adapter might be connected to the wrong T640-SIB. Check that the
fiber-optic array cable is connected as specified in Table 4 on page 14.
If a or LED next to a fiber-optic array adapter is lit red, look at the display on
TX RX
6.
the craft interface to check the status of the TX-SIB. If an
corresponding receive link either has detected errors or is not functioning normally.
Make sure the TX-SIB is properly seated in the midplane. Check that each ejector
7.
handle has been turned clockwise and is tight.
TX Matrix Craft Interface Overview on page 34
TX Matrix TX-SIB LEDs on page 24
TX Matrix TX-SIB LEDs on the Craft Interface on page 38
The RX LED next to any of the five TX-SIB adapters is not steadily lit green.
Perform the following recovery procedure:
Disable the adapter receivers.
1.
user@host> request chassis sib slot slot-number stop-receiver interface-number
scc
The slot number can be from 0 through 4 and corresponds to the TX-SIB chassis slot.
The interface number can be 0 through 3 and corresponds to the TX-SIB adapters
labeled LCC0 through LCC3
Remove the loopback connector.
2.
Clean the loopback adapter and the TX-SIB adapter. For cleaning instructions, see
3.
"Cleaning the TX Matrix and T640 Fiber-Optic Components Overview" on page 200.
Reconnect the fiber-optic array adapter and the loopback connectors:
4.
Align the loopback connector with the TX-SIB adapter, and carefully press it into
a.
the adapter until it stops. The loopback connector and TX-SIB adapter are keyed
to ensure proper mating.
NOTE: The optics in a fiber-optic array adapter are spring loaded, so
you must continue to apply force to a fiber-optic array cable connector
or loopback connector while securing it to a TX-SIB or T640-SIB
adapter.
.
Copyright © 2010, Juniper Networks, Inc.
RX LED is lit red, the