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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
Chapter2 Illustrated Card List for MGX Switches and the MGX 8880 Media Gateway
Back Cards
Figure2-65 RBBN-16-T1E1 Faceplate
RBBN-16-T1E1-1N
The RBBN-16-T1E1-1N is a back card that provides 16 T1/E1 inte rfaces through two RBBN connectors.
Figure 2-66 shows the RBBN-16-T1E1-1N faceplate.
Supports 1:N redundancy in the following switches:
MGX 8830/B (with RCON-1TO3-8830)
MGX 8850/B (with RCON-1TO3-8850 or RCON-1TO5-8850)
Redundant back card is RED-16-T1E1.
1Enabled LED (ENBL)
Green—The back card is active.
Off—The back card is not active.
336-pin female RBBN connector—TX
2E1 and T1 LEDs
Green—The back card is operating in E1
or T1 mode.
436-pin female RBBN connector—RX
80665
RBBN
16-T1E1
ENBL
E1
T1
T
X
R
X
3
4

ENBL

E1

T1

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