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Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 13 Card Reference
OC12 IR 1310 Card
13.6.1 OC12 IR 1310 Card Description
The OC12 IR 1310 card provides one intermediate- or short-reach, Telcordia-compliant, GR-253
SONET OC-12 interface per card. The interface operates at 622.08 Mbps over a single-mode fiber span
and supports VT payloads and non-concatenated or concatenated payloads for STS-1, STS-3c, STS-6c,
or STS-12c.
shows the OC12 IR 1310 faceplate and
diagrams the card’s
functionality.
Figure 13-10 OC12 IR 1310 card faceplate
You can install the OC12 IR 1310 card in any ONS 15327 high-speed and provision the card as a drop
card or span card in a two-fiber BLSR, UPSR, or in ADM (linear) configurations.
The OC12 IR 1310 port features a 1310 nm laser and contains a transmit and receive connector (labeled)
on the card faceplate. The OC12 IR 1310 card uses SC optical connections and supports 1+1
unidirectional and bidirectional protection.
The OC12 IR 1310 detects LOS, LOF, LOP, AIS-L, and RDI-L conditions. See
for a description of these conditions. The card counts section and line BIT errors.
13.6.2 OC12 IR 1310 Card-Level Indicators
The OC12 IR 1310 card has three card-level LED indicators (
45897
Tx Rx
OC-12/STM-4
IR 1310
FAIL
ACT
SF
Table 13-3 OC12 IR 1310 Card-Level Indicators
Card-Level Indicators
Description
Red FAIL LED
The red FAIL LED indicates that the card’s processor is not ready. Replace
the card if the red FAIL LED persists.
Green ACT LED
The green ACT LED indicates that the OC12 IR/STM4 SH 1310 card is
operational and is carrying traffic or is traffic-ready.
Amber SF LED
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.
Summary of Contents for ONS 15327
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