Comtech EF Data XPA-200 Installation And Operation Manual page 31

XPA200-7984-I-OPT1, X-Band SSPA
2.2.3 Some Notes on Establishing Remote Communications
1. The Mitec 2723B combiner was set at the Comtech factory to
RS-232 operation per customer request, on address 00 (30H)
through P4.
out on this I/O connector.
shown below:
Common PC 9-Pin Serial Port
Pin 5 (Gnd)
2. Physical remote cabling information for each Comtech SSPA
is described in section 5.3 of this manual.
set SSPA A to address 001 and SSPA B to address 002.
other communication parameters can be set via the front panel of
each SSPA, as described in section 3 and section 5.
3. A special Windows-compatible program has been included on
a floppy disk in this manual to assist in communicating with the
Combined/Redundant Amplifier system.
for operating instructions.
XPA200-7984-I-OPT1, Rev.2
However, the Mitec 2723B has a non-standard pin-
Pin 2 (Rd)
Pin 3 (Td)
Table 2.1 Typical RS-232 Connection to Mitec P4
Connections should be made as
Mitec 2723B Remote Serial Access
Port, P4 (9-pin)
It is recommended to
Refer to the file "Notes.txt"
Installation
Pin 3
Pin 4
Pin 5
These and
2-3