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Cisco ONS 15454 Reference Manual, R7.0
78-17191-01
Chapter 4 Optical Cards
4.11 4.11.1 OC48 LR/STM16 LH AS 1550 Card-Level Indicators
Figure 4-10 OC48 LR/STM16 LH AS 1550 Faceplate and Block Diagram
You can install OC48 LR/STM16 LH AS 1550 cards in Slots 1 to 6 and 12 to 17 and provision the card
as a drop or span card in a two-fiber or four-fiber BLSR, path protection, or ADM (linear) configuration.
The OC48 LR/STM16 LH AS 1550 port features a 1550-nm laser and contains a transmit and receive
connector (labeled) on the card faceplate. The card uses SC connectors, and it supports 1+1
unidirectional and bidirectional protection switching.
The OC48 LR/STM16 LH AS 1550 detects LOS, LOF, LOP, AIS-L, and RDI-L conditions. The card
also counts section and line BIP errors.
4.11.1 OC48 LR/STM16 LH AS 1550 Card-Level Indicators
Table 4-12 describes the three card-level LEDs on the OC48 LR/STM16 LH AS 1550 card.
uP bus
uP
Flash
RAM
BTC
ASIC
Optical
Transceiver
OC-48
Main SCI
Protect SCI
STS-48
61358
Mux/
Demux
B
a
c
k
p
l
a
n
e
FAIL
ACT
SF
TX
1
RX
OC48LR
STM16LH
AS
1550