User's Manual

1.I /o PORT : DB-9 Connector
PIN 1.-----PTT PIN 2.-----TXD
PIN 3.-----RXD PIN 4.-----Audio MOD IN
PIN 5.-----GND PIN 6.-----Carrier DET OUT
PIN 7.-----Digital MOD IN PIN 8.-----RTS
PIN 9.-----Audio OUT
2.PTT Input Level : 0-5V (TTL)
3.Digital Modulation Input Level :0-5V (TTL)
4.Audio Modulation Input Level : 1Vp-p@1kHz
5.Audio Output Level : 1vp-p@8 OHM Load
6.Carrier DET Output Level : 0-5 V (TTL)
7.TX IND Output Level : 0-5V (TTL)
8.TXD & RXD Level : +/-12V (RS-232)
Sy
stem Specifications