Schweitzer Engineering Laboratories SEL-701 - Pin Functions and Definitions for SEL-701 Relay EIA-232 Serial Ports; Table 6.1

701 Motor Protection Relay Date Code 20010719
ASCII Serial Port Operation
Connect Your PC to the Relay
6.4
Table 6.1 Pin F unctions and D efinitions for SEL -701 Relay EI A-232 Serial Ports
Table 6.1
Pin Functions and
Definitions for SEL-701 Relay EIA-232 Serial Ports
Pin Pin Function Definition
1, 4, 6 N/C No Connection
2 RXD, RX Receive Data
3 TXD, TX Transmit Data
5, 9 GND Ground
SHLD Shield Ground
7 RTS Request to Send
8 CTS Clear to Send