COMHP 101
CyberResearch
®
Serial Communication
8
©Copyright 2003
CyberResearch, Inc.
RS-530 (RS-422)
Base+5, M3-M0=D, 1101
Signal
Name
Pin #
Mode
GND Ground
7
RDB RX+
Receive Positive
16
Input
RDA RX-
Receive Negative
3
Input
CTSB CTS+
Clear To Send Positive
13
Input
CTSA CTS-
Clear To Send Negative
5
Input
DCDB DCD+
Data Carrier Detect Positive
10
Input
DCDA DCD-
Data Carrier Detect Negative
8
Input
TXCB TXC+
Transmit Clock Positive
12
Input
TXCA TXC-
Transmit Clock Negative
15
Input
RXCB RXC+
Receive Clock Positive
9
Input
RXCA RXC-
Receive Clock Negative
17
Input
TDB TX+
Transmit Positive
14
Output
TDA TX-
Transmit Negative
2
Output
RTSB RTS+
Request To Send Positive
19
Output
RTSA RTS-
Request To Send Negative
4
Output
DTRB DTR+
Data Terminal Ready Positive
23
Output
DTRA DTR-
Data Terminal Ready Negative
20
Output
TSETB TSET+
Transmit Signal Element Timing Positive
11
Output
TSETA TSET-
Transmit Signal Element Timing Negative
24
Output
DSRB DSR+
Data Set Ready Positive
22
Input
DSRA DSR-
Data Set Ready Negative
6
Input
DSR+ is available by placing a jumper over E1. This will disable the use of Ring Indicator on RS-232, V.35, and
RS-530A.
In this mode the following signals will be available:
DSRB DSR+
Data Set Ready Positive
22
Input
DSRA DSR-
Data Set Ready Negative
6
Input
