Date Code 20010731 Introduction and Specifications 1-17
SEL-352-1, -2 Instruction Manual
SERIAL PORT SPECIFICATIONS
Port 1 EIA-485 with IRIG-B input
Port 2 EIA-232 with IRIG-B input and +5 Vdc output. Maximum total current draw on +5 Vdc
supply through serial ports is 1 A.
Port 3 EIA-232 with +5 Vdc output
Port 4 EIA-232