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Cisco MGX 8950 Hardware Installation Guide
Release 3, Part Number 78-14147-02 Rev. A0, November 2002
Chapter 1 Product Overview
System Hardware Components
SMFSR-1-2488/B
The SMFSR-1-2488/B is a single-mode fiber, short-reach back card that provides one OC-48c/STM-16
interface, operating at 2488 Mbps.
Figure 1-27 shows a close-up of the SMFSR-1-2488/B faceplate.
Figure 1-27 SMFSR-1-2488/B Faceplate
1 Enabled LED
• Green—The back card is active.
• Off—The back card is not active.
3 Signal LED
• Green—The back card is receiving a
signal on the corresponding line.
2 RX SC connector 4 TX SC connector
31020
ENABLED
1-2488
SMFSR
RX
TX
SIGNAL
1
3
2
4