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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter 2 Illustrated Card List for MGX Switches and the MGX 8880 Media Gateway
Front Cards
Table 2-30 describes the LEDs on the SRM-3T3/C and SRME/B.
SRME
Supported models: MGX 8850 (PXM1E/PXM45), MGX 8850/B (PXM1E/PXM45), MGX 8830, MGX 8830/B
The SRME provides bulk distribution for T1 and E1 lines, 1:N card set redundancy for T1 and E1 service
modules, and BERT. Bulk distribution is managed over 155 Mbps interfaces through use of OC-3c or
STM1. The SRME also supports APS line redundancy when the OC-3c back card is used.
Table 2-30 SRM-3T3/C and SRME/B LEDs
LED Color Function
ACT Green The SRM-3T3/C card set (front card and back card) is
in active state.
STBY Yellow The SRM-3T3/C card set (front card and back card) is
in Standby mode.
FAIL Red When this LED is solid red and the ACT and STBY
LEDs are off, one of the following conditions exists:
• The module has failed.
• The card set is not complete (no back card).
PORT 1 through PORT 3 Green The port is active with no alarms detected.
Red The port is active and a local alarm has been detected.
Yellow The port is active and a remote alarm has been
detected.
Off The port is not configured, or the card set is configured
as a redundant card set and is in Standby mode.
1:N RED Green 1:N card set redundancy has been invoked.
Off 1:N card set redundancy is not active.
BERT Green The BERT function is active.
Off The BERT function is not active.