JDS Uniphase SmartClass E1, User Manual

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Chapter 1 Getting Started
Exploring the front panel
SmartClass E1 Tester User’s Guide 7
Status LEDs
These indicators report the status of the unit. The function of the LEDs change
depending on the application.
Table 6 describes each of the Status LEDs.
Table 6 Status LEDs
Status LED Description
Sync For E1 testing:
Green
– Solid—A signal is present and synchronization is established
on all active receivers.
– Flashing—Auto-framing is running on at least one active
receiver.
Red
– At least one of the active receivers does not have frame syn-
chronization.
Off
– No signal has been detected on any receiver.
For Datacom testing:
Green
– Solid—A receive clock is present.
Red
– Solid—A receive clock was present at some point in the past,
but was lost.
Off
– No receive clock has been detected on any receiver.
Data/LpBK Green
– Solid—Synchronization is established with BERT pattern for all
active receivers.
– Flashing—Auto-pattern is running on at least one active
receiver.
Red
– At least one of the active receivers does not have pattern syn-
chronization.
Amber
–
For E1 testing: The E1 Tester has been placed in a line loop-
back mode.
Off
– The E1 Tester is not in a line loopback mode, which means the
selected traffic pattern is live on all active receivers, or no pat-
tern synchronization has been detected on the receiver.
Err/Alm Red
– Flashing—The LED flashes for one second when an error or
alarm occurs. Or, for E1 testing, flashes when the unit is
searching for framing or a pattern during Auto Config.
Amber
– At least one error or alarm has occurred since that last reset.
Off
– All Summary results are OK. No error or alarm has been
received.