Oc48 Ir 1310 Card-Level Indicators; Figure 13-15 Oc48 Ir 1310 Block Diagram; Table 13-5 Oc48 Ir 1310 Card-Level Indicators - Cisco ONS 15327 User Documentation

Chapter 13 Card Reference
The OC-48 port features a 1310 nm laser and contains a transmit and receive connector (labeled) on the
card faceplate. The OC48 IR 1310 uses SC connectors. The card supports 1+1 unidirectional and
bidirectional protection switching.
The OC48 IR 1310 detects LOS, LOF, LOP, AIS-L, and RDI-L conditions. See
Troubleshooting", for a description of these conditions. The card also counts section and line BIT errors.
.

13.8.2 OC48 IR 1310 Card-Level Indicators

The OC48 IR 1310 card has three card-level LED indicators

Table 13-5 OC48 IR 1310 Card-Level Indicators

Card-Level Indicators
Red FAIL LED
Green ACT LED
Amber SF LED

Figure 13-15 OC48 IR 1310 block diagram

OC-48
Warning Invisible laser radiation may be emitted from the aperture port when no cable is connected. To avoid
exposure to laser radiation, do not stare into open apertures.
June 2002
Description
The red FAIL LED indicates that the card's processor is not ready. Replace
the card if the red FAIL LED persists.
The green ACT LED indicates that the OC48 IR 1310 card is carrying traffic
or is traffic-ready.
The amber SF LED indicates a signal failure or condition such as LOS, LOF,
AIS-L or high BERs on the card's port. The amber SF LED also illuminates
when the transmit and receive fibers are incorrectly connected. When the
fibers are properly connected, the light turns off.
Optical
Transceiver
Flash RAM
(Table 13-5).
STS-48
Clock/
Data
Recovery
Backplane
Interface
uP bus
uP
Cisco ONS 15327 User Documentation, R3.3
OC48 IR 1310 Card
Chapter 14, "Alarm
B
a
c
k
p
STS-48
l
a
n
e
SCI
i
n
t
e
r
f
a
c
e
13-19