MPM-1000A Operator Manual
1000-7075 Rev E
14-10
This interface is located on the rear panel J5 connector.
Table 14-10 SCPC Baseband Interface
CONN
Signal Name
Input/Output
Signal Description
Pin
J5
SHIELD
Input
SHIELD
1
J5
TX DATA A
Input
Balanced, RS-422 Tx Data signal terminated with
100 ohms
2
J5
RX Data A
Output
Balanced, uni-polar RS-422 Rx Data signal
3
J5
RTS A
Input
Balanced, RS-422 Request-To-Send signal or
unbalanced RS-423
4
J5
CTS A
Output
Balanced, uni-polar RS-422 Clear-To-Send signal
5
J5
DSR
Output
Unbalanced, bi-polar RS-423 Data Set Ready
signal. The functionality of this control signal is not
currently implemented.
6
J5
GND
N/A
Ground
7
J5
DCD A
Output
Balanced, uni-polar RS-422 Data carrier Detect
signal
8
J5
RX CLK B
Output
Balanced, uni-polar RS-422 Rx Clock signal
9
J5
RX CLK B
Output
Balanced, uni-polar RS-422 Data Carrier Detect
signal
10
J5
TX CLK B
Input
Balanced RS-422 Tx Clock signal, 100 ohms
between Terminals A and B
11
J5
SEND TMG B
Output
Balanced , uni-polar RS-422 Tx Send Timing
12
J5
CTS B
Output
Balanced, uni-polar RS-422 Clear-To-Send signal
13
J5
TX DATA B
Input
Balanced, RS-422 Tx Data signal terminated with
100 ohms
14
J5
SEND TMG A
Output
Balanced, uni-polar RS-422 TX Send Timing
15
J5
RX DATA B
Output
Balanced, uni-polar RS-422 Rx Data signal
16
J5
RX CLK A
Output
Balanced, uni-polar RS-422 Rx Clock signal
17
J5
No Connect
N/A
NOT USED
18
J5
RTS B
Input
Balanced, RS-422 Request-To-Send signal or
ground for unbalanced RS-423 interface
19
J5
DTR A
Input
Balanced, RS-422 Data Terminal Ready signal for
unbalanced RS-423. The functionality of this
control signal is not currently implemented
20
J5
DTR B
Input
Balanced, RS-422 Data Terminal Ready signal or
ground for unbalanced RS-423. The functionality
of this control signal is not currently implemented
21
J5
No Connect
N/A
NOT USED
22
J5
GND
N/A
Ground
23
J5
TX CLK A
Input
Balanced RS-422 Tx Clock signal, 100 ohms
between Terminals A and B
24
J5
No Connect
N/A
NOT USED
25