Oc3 Ir 4/Stm1 Sh 1310 Card - Cisco ONS 15454 Reference Manual

4.2 4.2 OC3 IR 4/STM1 SH 1310 Card

The OC3 IR 4/STM1 SH 1310 card provides four intermediate or short range SONET/SDH OC-3 ports
compliant with ITU-T G.707, ITU-T G.957, and Telcordia GR-253-CORE. Each port operates at
155.52 Mbps over a single-mode fiber span. The card supports Virtual Tributary (VT), nonconcatenated
(STS-1), or concatenated (STS-1 or STS-3c) payloads.
faceplate and a block diagram of the card.
The OC3 IR 4 SH 1310 and OC3 IR 4/STM1 SH 1310 cards are functionally the same.
Note
Warning The laser is on when the optical card is booted. The port does not have to be in service for the laser
to be on.
Figure 4-1
OC3IR4
STM1SH
1310
FAIL
ACT
SF
Tx
1
Rx
Tx
2
Rx
Tx
3
Rx
Tx
4
Rx
You can install the OC3 IR 4/STM1 SH 1310 card in Slots 1 to 6 and 12 to 17. The card can be
provisioned as part of a path protection or in a linear add/drop multiplexer (ADM) configuration. Each
interface features a 1310-nm laser and contains a transmit and receive connector (labeled) on the card
faceplate. The card uses SC connectors.
The OC3 IR 4/STM1 SH 1310 card supports 1+1 unidirectional or bidirectional protection switching.
You can provision protection on a per port basis.
Cisco ONS 15454 Reference Manual, R7.0.1
4-6
OC3 IR 4/STM1 SH 1310 Faceplate and Block Diagram
OC-3
STS-3
Optical
termination/
Transceiver
framing
STS-3
Optical
termination/
Transceiver
framing
STS-3
Optical
termination/
Transceiver
framing
STS-3
Optical
termination/
Transceiver
framing
Flash
RAM
Chapter 4
Figure 4-1 shows the OC3 IR 4/STM1 SH 1310
STS-12
STS-12/
STS-3
Mux/Demux
BTC
ASIC
uP bus
uP
Optical Cards
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