Comtech EF Data RSU-503 - Manual (Page 37)

RSU-503 Redundancy Switch Unit Installation
Rev. 8 21
2.4.12 Monitor & Control (J16)
The Modem Terminal Interface (MTI) connector is the remote control interface
connector. Included on this connector are RS-232/485 communication lines and a
summary fault indication. For standard RS-232/485 applications, an adapter cable is
available to connect the 26-pin circular connector to a standard 9-pin D.
Refer to Figure 2-3 for an illustration of the adapter cable and its pinouts.
P1
P1
MALE
MALE
26 PIN
26 PIN
EFDATA: CN/STPG26M01
PT06E16-26P(SR)
EFDATA: CN/STPG26M01
PT06E16-26P(SR)
5
9
4
8
3
7
2
6
1
5
9
4
8
3
7
2
6
1
GND
CTS
RD/RX
RTS
TD/TX
DSR
-RX/TX
-RX/TX
+RX/TX
+RX/TX
GND
A
D
E
F
G
H
A
B
C
D
J
Figure 2-3. Adapter Cables