Filter
Top Products
2-9
Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter 2 Module and Service Descriptions
Processor Switching Module
SMF-155 Back Card
The SMF-155 back card provides a physical single-mode fiber optic SONET OC-3 interface that
conforms to ANSI T1.105 and GR-253-CORE standards. This interface uses SC connectors, and
redundant configurations are supported through Y-cables. For specifications on this card, refer to
Appendix A, “Technical Specifications.” Note that Automatic Protection Switching (APS) requires the
“B” model—an SMF-155/B.
Figure 2-6 OC-3 Four-Port Back Card (SMF-155/B)
12206
ENABLED
SC-4-155
SIGNAL
RX
TX
P
O
R
T
1
SIGNAL
RX
TX
P
O
R
T
2
SIGNAL
RX
TX
P
O
R
T
3
SIGNAL
RX
TX
P
O
R
T
4