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Dirty optical connectors are a common cause of link loss or attenuation problems, especially for
single mode fiber (SMF). Clean the connectors before plugging in a cable and whenever there is a
significant or unexplained light loss. To prevent contamination, always install protective dust covers
on unused fiber optic connectors.
10. Wipe the ferrule and the end-face surface of the male fiber coupler with a lint-free, isopropyl
alcohol pad from a fiber cleaning kit.
11. Use canned air to blow any dust out of the female fiber coupler.
Caution:
To avoid damaging the fiber end-surface or connector, use extreme care when
installing or removing cables.
12. Plug in the optical cables with primary to primary, secondary to secondary, and Tx to Rx, Rx to
Tx orientation.
Caution:
To protect the Ethernet port from an intrabuilding lightning surge, use a properly
grounded shielded cable.
13. Plug the Ethernet cable into the UTP copper interface in the 9135.
14. Set the N/X switch to N (normal, transmit on pins 1 and 2) or X (crossover, transmit on pins 3
and 6).
15. Label each cable and connector with the signal name and direction.
2.2
LEDs
The 9135 includes four LEDs for management; see Table 4 and Figure 1. Each interface module
includes six or eight LEDs; Table 5 lists all possible LEDs. For details about the LEDs, see your
interface module and Table 5.
Table 4. 9135 Management LEDs
LED
Status
Mgr (Manager)
Off
Green
Power
Off
Green
Mgr Activity
Off
Green
Flt (Fault)
Off
Red
2-4
EdgeAccess Universal Chassis System
Indicates
Management failure
Management is functioning properly
Input power is low or off
Input power is good
No management activity
Management activity
No fault conditions
Self-test failure
Model 9135 10/100/1000
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