Nortel Networks OPTera Metro 3500 User Manual
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Hardware feature descriptions 3-95
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Note 3: If there is a 29-84 DS1 I/O module installed, and if slots 7 through
10 are not equipped with DS1 mappers, you may not install 4x100BT
circuit packs in slots 7 through 10 (there is not enough room for slot 7
through slot 10’s 8xRJ-45 I/O modules).
The following table describes the compatibility of each I/O module with both
shelf types.
Alarm LED definitions
The following table provides a list of the OPE 4x100BT circuit pack LEDs.
See
for the OPE 4x100BT circuit pack faceplate
layout showing the location of the LEDs.
Shelf
I/O module
I/O scenario description
OPTera Metro 3500 Shelf
Assembly (NTN476AA,
NTN476DA)
8xRJ-45 Front I/O module
(NTN452NA)
front access to the I/O
OPTera Metro Universal
Shelf Assembly
(NTN476AH)
8xRJ-45 Front Enhanced
I/O module (NTN452NH)
front access to the I/O,
extended temperature
range
8xRJ-45 Rear I/O module
(NTN452HB)
rear access to the I/O,
extended temperature
range
LED name
Color
Description
Status
red Circuit
pack
failure
Active
green
The OPTera Packet Edge System circuit pack is
active. At least one LAN facility is in service or at
least one cross-connect exists.
WAN
yellow
The OPTera Packet Edge System circuit pack has
at least one cross-connect. Either one or both WAN
ports have an STS path problem.
Link (1-4)
yellow
No link pulse is detected on Ethernet port and the
port is administratively up.