Premier Mounts CDM-600 사용자 설명서
CDM-600 Satellite Modem
Revision 7
Connector Pinouts
MN/CDM600.IOM
5–4
5.5
Audio Interface Connector (P4A)
The Audio interface connection is a 9-pin female D connector located on the rear panel of
the modem. Refer to Table 5-5 for pin assignments.
the modem. Refer to Table 5-5 for pin assignments.
Table 5-5. Audio Interface Connector Pin Assignments
Pin #
Signal Function
Direction
1
Tx Audio 1 +
In
6
Tx Audio 1 -
In
2
Rx Audio 1 +
Out
7
Rx Audio 1 -
Out
8
Tx Audio 2 +
In
4
Tx Audio 2 -
In
9
Rx Audio 2 +
Out
5
Rx Audio 2 -
Out
3 Common
5.6 Remote
Control
Interface Connector (P4B)
The remote control interface connection is a 9-pin male connector located on the rear
panel of the modem. Refer to Table 5-6 for pin assignments.The remote control port is
intended for connection to an M&C computer, or terminal device. This interface is user
selectable for either EIA-232 or EIA-485.
panel of the modem. Refer to Table 5-6 for pin assignments.The remote control port is
intended for connection to an M&C computer, or terminal device. This interface is user
selectable for either EIA-232 or EIA-485.
Table 5-6. Remote Control Interface Connector Pin Assignments
Pin #
Description
Direction
1 Ground
2
EIA-232 Transmit Data
Out
3
EIA-232 Receive Data
In
4
Reserved - do not connect to this pin
5 Ground
6
EIA-485 Receive Data B *
In
7
EIA-485 Receive Data A *
In
8
EIA-485 Transmit Data B
Out
9
EIA-485 Transmit Data A
Out
* Use for 2-wire EIA-485 operation