Status Led Indicators; Front Panel Of The Ds1 Lru Four-Port Module - Symmetricom SSU-2000 User Manual

Status LED Indicators

Eight LEDs on the front panel of the module show the current status of the module.
The front panel LEDs are shown in
Figure 8-23. Front Panel of the DS1 LRU Four-Port Module
Table 8-22. DS1 LRU Module Status LED Indicators
Indicator
POWER
STATUS
PORT 1, 2, 3, and 4
FAULT CTA
FAULT REF
12713020-002-2 Revision F.01 – January 2007
Figure 8-23
Color
Green On = +5 V DC power available on the module
Green/Amber On (Green) = Module functioning correctly
Blinking = Module is disabled or downloading firmware
On (Amber) = Module failure
Green/Amber On (Green) = Selected
On (Amber) = Not good and ignored
Off = Disabled, alarms ignored, or good and not selected
Green/Amber On (Green) = CTA connected
On (Amber) = CTA not connected or CTA mismatch
Off = CTA not connected and alarm set to ignore
Green/Amber On (Green) = Clock reference selected
On (Amber) = Clock reference not selected
Chapter 8 Output Module Reference Data
DS1 Line Retiming Unit (LRU)
and are described in Table
Description
SSU-2000 User's Guide 249
8-22.