Nortel Networks OPTera Metro 3500 - Manual (Page 245)

Hardware feature descriptions 3-17
Planning and Ordering Guide—Part 1 of 2 NTRN10AN Rel 12.1 Standard Iss 1 Apr 2004
BNC 12-Port Front I/O module
• serving DS3 and EC-1 ports
• front access
NTN452JA 0°C to 50°C
( 32°F to 122°F)
Not supported on this
platform
BNC 12-Port Front Enhanced I/O
module
• serving DS3 and EC-1 ports
• front access
• enhanced latch mechanism
NTN452JH Not supported on this
platform -40°C to +65°C
(-40°F to +149°F)
BNC 12-Port Rear I/O module
• serving DS3 and EC-1 ports
• rear access
• enhanced latch mechanism
NTN452KA Not supported on this
platform -40°C to +65°C
(-40°F to +149°F)
8xRJ-45 Front I/O module
• serving 10BASE-T and 100BASE-TX
Ethernet ports
• front access
NTN452NA 0°C to 50°C
( 32°F to 122°F)
Not supported on this
platform
8xRJ-45 Front Enhanced I/O
module
• serving 10BASE-T and 100BASE-TX
Ethernet ports
• front access
• enhanced latch mechanism
NTN452NH Not supported on this
platform -40°C to +65°C
(-40°F to +149°F)
8xRJ-45 Rear I/O module
• serving 10BASE-T and 100BASE-TX
Ethernet ports
• rear access
• enhanced latch mechanism
NTN452HB Not supported on this
platform -40°C to +65°C
(-40°F to +149°F)
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)