Nortel Networks Circuit Card 311 - Manual (Page 323)

Configuration 323
Table 131
CLASS modem card-data transmission electrical characteristics
Characteristics Description
Units per card 32 transmit only modem resources
Transmission rate 1200 ± 12 baud
The CLASS modem card has no direct connection to the Public Network.
Power requirements
The CLASS modem card requires less than 1.0 Amps of +5V dc ± 1%
supply supplied by the power converter in the IPE shelf.
The CLASS modem card requires less than 1.0 Amps of +5V dc ± 1%
supply supplied by the power converter in the IPE shelf.
Environmental specifications
Table 132 "CLASS modem card - environmental specifications" (page
323)
shows the environmental specifications of the card.
Table 132
CLASS modem card - environmental specifications
Parameter Specifications
Operating temperature 0 C to +65 C (+32 F to +149 F)
Operating humidity 5 to 95% RH (non-condensing)
Storage temperature –50 C to +70 C (–58 F to +158 F)
Table 133 "CLASS modem card - environmental specifications" (page
323)
shows the environmental specifications of the card.
Table 133
CLASS modem card - environmental specifications
Parameter Specifications
Operating temperature 0 C to +65 C (+32 F to +149 F)
Operating humidity 5 to 95% RH (non-condensing)
Storage temperature –50 C to +70 C (–58 F to +158 F)
Configuration
The NT5D60/80/81 CLASS Modem card has no user-configurable jumpers
or switches. The card derives its address from its position in the backplane
and reports that information back to the CS 1000E, CS 1000M, and
Meridian 1 CPU through the Card LAN interface.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright © 2003-2008, Nortel Networks
.