Nortel Networks Video Gaming Accessories 553-3001-211 Manual De Usuario

 NTAK93 D-channel Handler Interface daughterboard

The port will operate at:

The address of ports is selected by hardwired backplane card address. Port 
characteristics and LAPD parameters are downloaded from software.

Below is a brief description of signals. When connected to SDTI/PRI, 
DCHI-PORT is considered Data Terminal Equipment (DTE):

•

SDA, SDB: Transmit Clock provided by SDTI/PRI

•

RTA, RTB: Receive Clock provided by SDTI/PRI

•

RR, CS: SPDC ready signal provided by DCHI-PORT

•

TR: D-PORT ready signal provided by DCHI-PORT

•

RDA, RDB: Incoming serial data bit stream, driven by SDTI/PRI

•

SDA, SDB: Transmit serial data bit stream driven by DCHI-PORT

Data Rate

56kbps, 64kbps

Duplex

Full

Clock

Internal / External

Interface

RS422