Specifications

SQ: 8-3
RS3: Service Quick Reference Guide
PeerWay Interface
RS-422 Pins and Signals
Pin
Signal Pin Signal
1 -- -- 9 -- --
2 -- -- 10 TXC+ (X.25 only)
3 CTS+ Clear to send 11 TXC-- (X.25 only)
4 CTS-- Clear to send 12 RXC+ (X.25 only)
5 RXD+ Data receive 13 RXC-- (X.25 only)
6 RXD-- Data receive 14 RTS+ Ready to send
7 TXD+ Data transmit 15 RTS-- Ready to send
8 TXD-- Data transmit
X.25 Clocking Parameters
SCI Electrical
Configuration
Nonvolatile
Memory
Jumper
Configuration
Source of Clock
Signals
Direction of Clock
Lines
(TXC and RXC)
Modem Internal Clock SCI Output
Terminal External Clock Modem Input