NT5D60/80 CLASS Modem card (XCMC) Page 305 of 894

Electrical specifications

This section lists the electrical characteristic of the CLASS modem card.

Data transmission specifications

Table 105 provides specifications for the 32 transmit-only modem resources.

Table 105

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.

Environmental specifications

Table 106 shows the environmental specifications of the card.

Table 106

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)

 

 

Circuit Card Description and Installation

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Nortel Networks 553-3001-211 manual Data transmission specifications, Shows the environmental specifications of the card