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Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
OL-1237-01
Chapter 4 Troubleshooting Line Cards
Troubleshooting the Cisco uBR10012 OC-48 DPT/POS Line Card
Troubleshooting the Cisco uBR10012 OC-48 DPT/POS Line Card
The Cisco OC-48 DPT⁄ POS interface module has a pair of OC-48c, fiber-optic standard connector (SC)
duplex ports that provide an SC connection for either the single-mode short-reach or single-mode
long-reach version. Figure 4-4 shows the faceplate on the Cisco OC-48 DPT⁄ POS interface module,
and Table 4-7 describes each LED.
Figure 4-4 Cisco OC-48 DPT Interface Module Faceplate
Table 4-7 Cisco OC-48 DPT LED Status and Description
LED Status Description
FAIL
Yellow
Off
Line card is disabled
Line card is operational
ENABLE Green
Off
Port is enabled
Port is disabled
POS Green
Off
Operating in POS mode
Not operating in POS mode
SRP Green
Off
Operating in SRP mode
Not operating in SRP mode
CD Green
Off
Carrier detected
No carrier detected
TX Green
Off
Packets transported
No packets transported
RX Green
Off
Packets received
No packets received
82923
CISCO
10000
ENABLE
POS
SRP
FAI L
OC–48/STM–16 POS/SRP SM–LR
P/N ESR-10C48/P/SRPSMS
CD
TX
RX
SYNC
WRAP
PASS
THRU
TX
RX
FAIL
Ejector lever
Captive screw
ENABLE
POS
SRP
CD
TX
RX
SYNC
WRAP
PASS
THRU
TX
RX
Invisible laser radiation may
be emitted from
disconnected fibers or
connectors. Do not stare
into beams or view directly
with optical instruments.
Warning