Premier Mounts Modem CDM-600 사용자 설명서
CDM-600 Satellite Modem
Revision 7
Connector Pinouts
MN/CDM600.IOM
5–2
5.2 BNC
Connectors
The BNC connectors are located on the rear panel of the modem. Refer to Table 5-2 for
pin assignments.
pin assignments.
Table 5-2. BNC Connectors
BNC Connector
Reference
Description
Direction
RX-IF J1 RX-IF
signals
In
TX-IF J2 TX-IF
signals
Out
EXT REF
J9
External Baseband Input
In
IDI J10A
Insert
Data Input
In
DDO
J11A
Drop Data Output
Out
RX (IDO)
J10B
RX G.703 (Unbalanced)
Out
TX (IDI)
J11B
TX G.703 (Unbalanced)
In
5.3
Overhead Interface Connector (P3A)
The overhead interface connector is a 25-pin male D interface located on the rear panel of the
modem. Refer to Table 5-3 for pin assignments.
modem. Refer to Table 5-3 for pin assignments.
Table 5-3. Overhead Interface Connector Pin Assignments
Pin #
Signal Function
Signal Name
Direction
14
IDR 64 kbps ESC Tx Data +
TX-422DAT-B
In
2
IDR 64 kbps ESC Tx Data -
TX-422DAT-A
In
12
IDR 64 kHz ESC Tx Clock +
TX-422CLK-B
Out
15
IDR 64 kHz ESC Tx Clock -
TX-422CLK-A
Out
11
IDR 1 kHz Tx Octet Clock +
TX-OCT-B
Out
24
IDR 1 kHz Tx Octet Clock -
TX-OCT-A
Out
16
IDR 64 kbps ESC Rx Data +
RX-422DAT-B
Out
3
IDR 64 kbps ESC Rx Data -
RX-422DAT-A
Out
9
IDR 64 kHz ESC Rx Clock +
RX-422CLK-B
Out
17
IDR 64 kHz ESC Rx Clock -
RX-422CLK-A
Out
19
IDR 1 kHz Rx Octet Clock +
RX-OCT-B
Out
4
IDR 1 kHz Rx Octet Clock -
RX-OCT-A
Out
20
Balanced Ext.Baseband Clock +
EXT-CLK-B
In
23
Balanced Ext.Baseband Clock -
EXT-CLK-A
In
13
IBS/D&I ESC RS232 Tx Data
TX-232-DATA
In
22
IBS/D&I ESC RS232 Tx Clock
TX-232-CLK
Out
8
IBS/D&I ESC RS232 Rx Data
RX-232-DATA
Out
10
IBS/D&I ESC RS232 Rx Clock
RX-232-CLK
Out
5
IBS Tx High-Rate ESC Data
TX-ASYNC
In
6
IBS Rx High-Rate ESC Data
RX-ASYNC
Out
1
IDR Back Alarm 1 H/W input
BW-IN1
In
18
IDR Back Alarm 2 H/W input
BW-IN2
In
21
IDR Back Alarm 3 H/W input
BW-IN3
In
25
IDR Back Alarm 4 H/W input
BW-IN4
In
7 Signal
Ground
Ground
-