Specifications

Specifications
Table B-5
J2 Serial Port (RS-422/485) Pinout.
Pin Signal Description
1 SDA Send Data (negative)
2 SDB Send Data (positive)
3 RSA Request To Send (negative)
4 RSB Request To Send (positive)
11 CSB Clear To Send (positive)
12 CSA Clear To Send (negative)
13 RDB Receive Data (positive)
14 RDA Receive Data (negative)
7,8 GND Ground
5,6,9,10 --- No Connection
Note: The J2 pin assignments permit ZT 8832s to be connected together using a
straight cable and rotating one of the connectors 180˚. This same pin assignment is
used on all Ziatech products that support RS-422/485.
B-13