Technalogix TXF Series - Remote Control (Via DB25)

9.1. Remote Control (via DB25)
An additional option for remote control of the power amplifier/transmitter is through the DB25 connector
found on the back panel of the power amplifier/transmitter
The overall functions of each pin on the Remote Port are indicated in the following DB25 pinout:
Pin Number
Description
1
Ground
2
Forward power sample
1
3
Reflected power sample
1
4
Carrier off
2
5
Carrier on
2
6
Increase carrier level 1%
2
7
Decrease carrier level 1%
2
8
Do not use
9
Reset
2
10
Do not use
11
High temperature flag
12
High VSWR flag
13
Amplifier overdriven flag
14
+3.3Vdc (for testing only, do not load)
15-25
Do not use
Notes: 1. Analog output with voltage ranging from 0 to 3.3Vdc.
2. Ground input to activate. Triggered on falling edge
In addition to the DB25 parallel data connector, the user may choose to remotely control the RF
amplifier/transmitter via an optional Ethernet web server or through an optional Simple Network Managed
Protocol (SNMP) interface, described earlier in this section.