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Cisco ONS 15454 SDH Reference Manual, R5.0
April 2008
Chapter4 Optical Cards
4.8.1 OC48 IR/STM16 SH AS 1310 Card Functionality
Figure 4-12 shows a block diagram of the card.
Figure4-12 OC48 IR/STM16 SH AS 1310 Block Diagram
4.8.1 OC48 IR/STM16 SH AS 1310 Card Functionality
You can install the OC48 IR/STM16 SH AS 1310 card in Slots 1 to 6 and 12 to 17. You can provision
the card as part of a MS-SPRing or SNCP. In an ADM configuration, you can provision the card as either
an access tributary or a transport span interface.
The STM-16 port features a 1310-nm laser and contains a transmit and receive connector (labeled) on
the card faceplate. The OC48 IR/STM16 SH AS 1310 card uses SC connectors. The card supports 1+1
unidirectional protection and provisionable bidirectional switching.
The OC48 IR/STM16 SH AS 1310 card detects LOS, LOF, LOP, MS-AIS, and MS-FERF conditions.
Refer to the Cisco ONS 15454 SDH Troubleshooting Guide for a description of these conditions. The
card also counts section and line BIP errors.
4.8.2 OC48 IR/STM16 SH AS 1310 Card-Level Indicators
Table 4 -9 describes the three card-level LED indica tors on the OC48 IR/STM16 SH AS 1310 card.
uP bus
uP
Flash RAM
BTC
ASIC
Optical
Transceiver
STM-16
Main SCI
Protect SCI
STM-16
63119
Mux/
Demux B
a
c
k
p
l
a
n
e
Table4-9 OC48 IR/STM16 SH AS 1310 Card-Level Indicators
Card-Level LED Description
Red FAIL LED The red FAIL LED indicates that the card’s processor is not ready. The FAIL
LED is on during reset and flashes during the boot process. Replace the card
if the red FAIL LED persists.