Chapter 10 System Input/Output (I/O) Interfaces
UNIVERGE NEAX 2000 IPS Request for Proposal (RFP) Reference Guide Page 10-9
Issue 6
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
Characteristic EIA RS-232C electrical standard interface
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
Condition
1. At connection release
2. Status monitoring text