Pub. 42004-561A
400-005 and 400-006 RigCom Stations
Page 8 of 16
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-561A.docx
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Field Connections
TB1
—Speaker Terminal Block
Table 1. Speaker Output Connection at 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 Power Terminal Block
Table 2. AC Power Connection at Terminal Block TB2
Name
Pin No.
Description
AC
P
OWER
H
1
external ac power supply positive terminal
no connection when using a dc power supply
2
no connection
AC
P
OWER
N
3
external ac power supply neutral terminal
no connection when using a dc power supply
AC
P
OWER
GND
ac ground conductor—Connect to the ground stud, located at the
lower right corner of the station’s PCBA.
TB3
—DC Power Terminal Block
Table 3. DC Power Connection at Terminal Block TB3
Name
Pin No.
Description
DC
P
OWER
I
NPUT
+
2
external dc power supply positive terminal
No connection when external dc power supply is not used.
DC
P
OWER
I
NPUT
–
1
external dc power supply negative terminal
no connection when not using an external dc power supply
