Smf-155 Back Card; Figure 4-23 Four-Port Oc-3 Back Card - Cisco MGX 8850 Installation And Configuration Manual

SMF-155 Back Card

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. See Figure 4-23 for an illustration of the
OC-3 back card. For specifications on this card, refer to Appendix A, "System Specifications." Note
that Automatic Protection Switching (APS) requires the "B" model—an SMF-155/B.
Figure 4-23 Four-Port OC-3 Back Card
Enclosure and Card Installation 4-23