Oc12 Ir/Stm4 Sh 1310 Faceplate And Block Diagram; Figure - Cisco 15454-DS1-14= - 1.544Mbps Expansion Module Reference Manual

4.4 OC12 IR/STM4 SH 1310 Card
The OC12 IR/STM4 SH 1310 card provides one intermediate or short range SONET OC-12 port
compliant with ITU-T G.707, ITU-T G.957, and Telcordia GR-253-CORE. The port operates at
622.08 Mbps over a single-mode fiber span. The card supports VT, nonconcatenated (STS-1), or
concatenated (STS-3c, STS-6c, or STS-12c) payloads.
faceplate and a block diagram of the card.
The laser is on when the optical card is booted. The port does not have to be in service for the laser
Warning
to be on. Statement 293
Note The OC12 IR 1310 and OC12/STM4 SH 1310 cards are functionally the same.

Figure 4-3

OC12IR
STM4SH
1310
FAIL
ACT
SF
Tx
1
Rx
You can install the OC12 IR/STM4 SH 1310 card in Slots 1 to 6 and 12 to 17, and provision the card as
a drop card or span card in a two-fiber BLSR, path protection, or ADM (linear) configuration.
The OC12 IR/STM4 SH 1310 card interface features a 1310-nm laser and contains a transmit and receive
connector (labeled) on the card faceplate. The OC12 IR/STM4 SH 1310 card uses SC optical
connections and supports 1+1 unidirectional and bidirectional protection.
Cisco ONS 15454 Reference Manual, R8.5
4-10

OC12 IR/STM4 SH 1310 Faceplate and Block Diagram

OC-12
Optical
Transceiver
Flash RAM
Figure 4-3 shows the OC12 IR/STM4 SH 1310
STS-12
Mux/
Demux
STS-12
BTC
ASIC
Main SCI
uP bus
Protect SCI
uP
Chapter 4 Optical Cards
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