Nortel Networks OPTera Metro 3500 User Manual
Page 243
Hardware feature descriptions 3-15
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
Cooling unit assemblies
Universal shelf cooling unit
assembly
• includes 3 cooling unit fan modules
NTN458QH
Not supported on this
platform
-40°C to +65°C
(-40°F to +149°F)
Cooling unit assembly
• includes 3 cooling unit fan modules
• Not supported on the NTN476AH
Shelf Assembly
NTN458QA
0°C to 50°C
(
32°F to 122°F)
Not supported on this
platform
Fan kit
• includes 3 cooling unit fan modules
• Only supported on the NTN476AA
Shelf Assembly
NTN458GA
0°C to 50°C
(
32°F to 122°F)
Not supported on this
platform
Accessory shelves
DS1 service module (DSM) shelf
NTN407MA
-40°C to +65°C (-40°F to +149°F)
OMX shelf
• If you have an OMX + Fiber Manager
4CH, you do not require an OMX shelf.
NTN449ZW
0°C to 50°C
(
32°F to 122°F)
OMX + Fiber Manager 4CH
• See Note
NT0H32*E
0°C to 50°C
(
32°F to 122°F)
Enhanced OMX + Fiber Manager
4CH
• See Note
NT0H32*F
0°C to 50°C
(
32°F to 122°F)
I/O modules
DS1 1-28 Front I/O module
• serving DS1 ports 1-28
• front access
NTN452AA
0°C to 50°C
(
32°F to 122°F)
Not supported on this
platform
DS1 29-56 Front I/O module
• serving DS1 ports 29-56
• front access
NTN452CA
0°C to 50°C
(
32°F to 122°F)
Not supported on this
platform
Table 3-3 (continued)
Supported shelf equipment and operational temperature ranges
Circuit pack / equipment
PEC
Operational temperature range
OPTera Metro 3500
Shelf Assembly
(NTN476DA,
NTN476AA)
OPTera Metro 3500
Universal Shelf
Assembly
(NTN476AH)