Electrical Specifications - Nortel Circuit Card Installation Manual

Electrical specifications

Data transmission specifications
Power requirements
Environmental specifications
NT5D60/80 CLASS Modem card (XCMC)
This section lists the electrical characteristic of the CLASS modem card.
Table 110 provides specifications for the 32 transmit-only modem resources.
Table 110
CLASS modem card—data transmission electrical characteristics
Characteristics
Units per card
Transmission rate
The CLASS modem card has no direct connection to the Public Network.
The CLASS modem card requires less than 1.0 Amps of +5V dc
supplied by the power converter in the IPE shelf.
Table 111 shows the environmental specifications of the card.
Table 111
CLASS modem card – environmental specifications
Parameter
Operating temperature
Operating humidity
Storage temperature
Description
32 transmit only modem resources
1200 ± 12 baud
Specifications
0° C to +65° C (+32 ° F to +149 ° F)
5 to 95% RH (non-condensing)
–50° C to +70° C (–58 ° F to +158 ° F)
Circuit Card Description and Installation
Page 317 of 906
1% supply
±