Nortel Networks 1000 - Manual (Page 317)

Configuration 317
Table 117
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 118 "CLASS modem card - environmental specifications" (page
317)
shows the environmental specifications of the card.
Table 118
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 119 "CLASS modem card - environmental specifications" (page
317)
shows the environmental specifications of the card.
Table 119
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 1CPU through the Card LAN interface.
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.