Field installation interface, Tb1 - speaker terminal block, Tb2 - ac voltage terminal block – GAI-Tronics 400-001 RigCom Stations User Manual
Page 10: Tb3 - dc voltage terminal block
Pub. 42004-376C
Model 400-001 and 400-002NS RigCom Stations
Page 10 of 22
e:\standard ioms - current release\42004 instr. manuals\42004-376c.doc
04/14
Field Installation Interface
TB1 - Speaker Terminal Block
The following is a list of connections for the speaker output terminal block, TB1.
Name Pin
No.
Description
16
1
16-ohm terminal for external speaker connection.
8
2
8-ohm terminal for external speaker connection.
COM
3
Common terminal for external speaker connection.
TB2 - AC Voltage Terminal Block
The following is a list of connections for the ac voltage terminal block, TB2.
Name Pin
No.
Description
AC Power H
1
Positive terminal of the external ac power supply. No connection when
external ac power supply is not used.
AC Power N
3
Negative terminal of the external ac power supply. No connection when
external ac power supply is not used.
AC Power GND
Ground terminal for the ac power must be electrically connected to the
chassis.
TB3 - DC Voltage Terminal Block
The following is a list of connections for the dc voltage terminal block, TB3:
Name Pin
No.
Description
DC Power Input+
2
Positive terminal of the external dc power supply. No connection when
external dc power supply is not used.
DC Power Input–
1
Negative terminal of the external dc power supply. No connection when
external dc power supply is not used.