Nortel Networks DCT1900 User Manual
Page 83
Technical Product Manual - DCT1900
Product Specifications, System Boards
Specs-DCT1900/R8/mw
6-3
© 2000-2005
6.4
Central Processing Unit (CPU1) - REX-BRD0004 or 2/ROFNB 157 19/2
Environmental
Temperature
Operating
: 32 to 104
°F (0 to 70°C)
Storage
: -40 to 158
°F (-40 to 70°C)
Relative humidity
: 20 to 80%, non condensing
General Specifications
Length x width
13.5" x 7.7" (343 x 195.6mm)
RS232 I/O ports
: 2
Sync
Input ports
: 1 via coupler
Output ports
: 3 via RS422 type drivers
Lock in time
:
#
5 minutes after reset and power on
#
5 minutes after a signal interruption
#
3 minutes
#
8.8 hours during normal operation
Loss of sync
: immediate after interface failure
6.5
Central Processing Unit (CPU2)-REX-BRD9033, REX-BRD9034
Environment
Temperature
Operating
: 32 to 104
°F (0 to 70 °C)
Storage
: -40 to 158
°F (−40 to 70 °C)
Relative humidity
: 20 to 80%, non condensing
General Specifications
Length x width
: 344 x 195 mm
RS232 I/O ports
: 2
Sync
Input ports
: 1 via RJ45
Output ports
: 3 via RJ45
Lock in time
:
#
5 minutes after reset and power on
#
5 minutes after a signal interruption
#
3 minutes
#
8.8 hours during normal operation
Loss of sync
: immediate after interface failure