D-Port - Sdti/Pri Interface - Nortel Enterprise 1000 Reference Manual
Succession communication server, circuit card
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Also See for Enterprise 1000:
- Description, installation and operation manual (646 pages) ,
- Features and services fundamentals (616 pages) ,
- Fundamentals (492 pages)
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NTAK93 D-channel handler interface daughterboard
The port will operate at:
Data Rate
Duplex
Clock
Interface
The address of a port is determined by the hardwired backplane card address.
Port characteristics and LAPD parameters are downloaded from software.
D-Port – SDTI/PRI interface
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
Succession Communication Server for Enterprise 1000 Circuit Card Reference Guide
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RS422
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