
SG-2000 MANUAL
95
The SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA
©1995, SGC, Inc.
TEL: (206) 746-6310 FAX: (206) 746-6384
On the High Seas Direct™ Modem Unit there are four connectors:
1. Modem Power Supply Connections
(Supplies power for High Seas Direct Unit)
Pin
Item
1
Live 12/24 volts DC
2
Earth (Ground)
3
Ground
2. Modem RS-232 (DB-9) Connector
(Provides connection to serial devices)
Pin
Item
1
DCD
2
RX data
3
TX data
4
DTR
5
Ground
6
Fax
7
Relay contact
8
Relay contact
9
Ground
3. Modem Connector to Radio
(Provides connection from Modem to SG-2000)
Pin
Item
1
Common
2
PTT out
3
Mic Out
4
Audio In
5
not used
6
Ground (PTT and radio)