2-144
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
SMFIR-2-622 and SMFIR-2-622/B
The SMFIR-2-622 and the SMFIR-2-622/B are single-mode fiber, intermediate-reach back cards that
provide two OC-12c/STM-4 interfaces, each operating at 622 Mbps. Figure2-83 shows the
SMFIR-2-622 and SMFIR-2-622/B faceplate. Cable: CAB-SMF-SC- (several), CAB-SMF-Y-SC.
Note The only visible difference between the back card facepla tes is the product name, which is silk-screened
on the front of each faceplate.
Figure2-83 SMFIR-2-622 and SMFIR-2-622/B Faceplate
1ENABLED LED
Green—The back card is active.
Off—The back card is not active.
3RX and TX SC connectors for PORT 1 and
PORT2
2SIGNAL LEDs
Green—The back card is receiving a
signal on the corresponding line.
31021
ENABLED
2-622
SMFIR
P
RX
R
T
1
O
TX
SIGNAL
P
RX
R
T
2
O
TX
SIGNAL
1
2
3
2
3