255-700-025
3-61
PacketStar
™
Access Concentrator 60 User Guide
, Issue 1
Release 6.3.0
Chapter 3 System Features
Medium-Density DS1 Module
The software supports the following ATM Forum Technical Committee
Specifications:
•
Circuit Emulation Service Interoperability Specification Version 2.0
af_vtoa_0078.00
•
User to Network Interface (UNI) Version 3.0
•
User to Network Interface (UNI) Version 3.1
•
Integrated Local Management Interface (ILMI) Specification Version 4.0,
af-ilmi-0065.000
•
Private Network-Network Interface (PNNI), Version 1.0
, af-pnni-0055.000
Protocols:
•
ATM: ATM UNI 3.0 and 3.1; Interim inter-switch signaling protocol (IISP)
user, IISP network, ILMI, PNNI
•
CE: Circuit emulation service (CES)
Hardware Features
•
Number of ports:
~
One parallel (ECL/CMOS chip) (port 1)
~
One serial (EIA-422 interface) (port 2)
•
Connector type:
~
Micro dual-row 36-pin for the parallel port
~
Micro-DB25 for the serial port
•
Interfaces supported on the parallel port:
~
Direct Broadcast Satellite transmitters and receivers
~
Video set-top boxes
•
Interfaces supported on the serial port:
~
EIA-422-A
~
EIA-449
~
EIA-530
•
Data transmission rate:
~
Using external clock timing: up to 30 Mbps
~
Using internal clock timing: data transmission rates are given in
Appendix B,"Pin Configurations"
•
Protocols: ATM and circuit emulation
Medium-Density DS1 Module
The Medium-Density DS1 module provides 12 ports, each with a line rate of
1.544 Mbps. Each port can be independently configured to provide for
channelized and unchannelized frame relay configurations, circuit emulation
service (CES), high-level data link control (HDLC) pass-through mode,