Chapter 10 System Input/Output (I/O) Interfaces

PMS Interface

PMS with AP00-B on an RS-232C Interface

 

Item

 

 

Description

 

 

Data Rate

 

 

1200, 2400, 4800, 9600 bps, asynchronous, software

 

 

 

 

selectable

 

 

 

 

 

Note 1

 

 

Operating Mode

 

 

Half Duplex

 

 

Electrical Interface

 

 

EIA RS-232C electrical standard interface

 

 

Characteristic

 

 

 

 

 

 

 

 

 

Signal Form

 

 

EIA RS-404

 

 

Interface Distance

 

 

Max. 15 m (49.2 ft.) between PBX and PMS (without modem)

 

 

 

 

Note 2

 

 

 

 

 

 

 

Word Framing

 

 

10 bits (1 start, 7 data, 1 parity, 1 stop) or 11 bits (1 start, 7

 

 

 

 

data, 1 parity,2 stop)

 

 

 

 

 

 

 

Parity VRC

 

 

No parity, even parity, odd parity; selected by PBX system

 

 

 

 

data

 

 

 

 

 

 

 

Parity LRC

 

Exclusive OR of message text

 

 

Frame Contents

 

US ASCII 7-bit codes

 

 

Control

 

 

Contention

 

 

Priority Sequence

 

 

Primary office: PBX

 

 

 

 

Secondary office: PMS

 

 

 

 

 

 

Note 1: For the Port 1 and Port 3, data speed 9600 bps cannot be used.

Note 2: When modems are used, full duplex asynchronous type modems are required.

Built in PMS over IP

 

Item

 

 

Description

 

 

Physical layer

 

Ethernet

 

 

Connection Layer

 

The Ethernet packet format complies with the DIX standard

 

 

TCP/IP core protocol

 

ARP, IP, ICMP, UDP, and TCP

 

 

Socket interface

 

 

Complies with the 4.3BSD socket interface

 

 

Transport Protocol

 

TCP stream-type protocol

 

 

 

 

 

 

 

 

Application Port Number

 

 

60050 (Fixed)

 

 

Number of Connections

 

1 connection

 

 

Client/Server

 

 

Server: PBX

 

 

 

 

Client: PMS

 

 

 

 

 

 

 

Frame Contents

 

US ASCII 7-bit codes

 

 

Pseudo Normal Restriction

 

 

1. At connection release

 

 

Condition

 

 

2. Status monitoring text

 

UNIVERGE NEAX 2000 IPS Request for Proposal (RFP) Reference Guide

Page 10-9

Issue 6

 

Page 205
Image 205
NEC 2000 IPS manual PMS Interface, Description