NT6D80 MSDL card Page 387 of 894

Table 143 lists the synchronous interface specifications and the means of configuring the interface parameters.

Table 143

Synchronous interface specifications

Parameter

Specification

Configured

 

 

 

Data bits

In packets-Transparent

N/A

Data rate

1.2, 2.4, 4.8, 9.6, 19.2, 38.4,

Software

 

48, 56, and 64 kbps

 

Transmission

Full Duplex

N/A

Clock

Internal/External

Software

Interface

RS-232

Software

 

RS-422

Switches

Mode

DTE or DCE

Switches

 

 

 

Asynchronous transmission uses an internal clock to generate the appropriate baud rate for serial controllers.

Table 144 lists asynchronous interface specifications and the means of configuring interface parameters.

Table 144

Asynchronous interface specifications (Part 1 of 2)

Parameter

Specification

Configured

 

 

 

Data bit, parity

7 bits even, odd or no

Software

 

parity, or 8 bits no parity

 

 

 

 

Data rate

0.3, 0.6, (1.2), 2.4, 4.8,

Software

 

9.6, 19.2, and 38.4 kbps

 

 

 

 

Stop bits

1 (default), 1.5, 2

Software

 

 

 

Transmission

Full Duplex

N/A

 

 

 

Interface

RS-232

Software

 

 

 

Circuit Card Description and Installation

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Nortel Networks 553-3001-211 manual NT6D80 Msdl card Page 387