17. External Interface
17-1
17. External
Interface
17.1
Remote Control Feature
You can use the remote control connector on the rear panel to load presets, transmit alarms,
and perform other operations. Use the supplied 15-pin D-sub connector.
17.1.1
Remote Control Connector Specifications
This section contains a diagram of the remote control connector, which is located on the
rear panel, and a table that describes its pin alignment.
Do not apply voltage to the output pins.
The input pins are all pulled up to +3.3 V. Do not apply negative voltages or voltages above
+5 V to the input pins.
Figure 17-1 Remote control connector
Table 17-1 Remote control connector pin alignment
Pin No.
Name
Input or
Output
Explanation
1 GND -
Grounding
pin
2
/P1
Input
Loads preset 1
3
/P2
Input
Loads preset 2
4
/P3
Input
Loads preset 3
5
/P4
Input
Loads preset 4
6
/P5
Input
Loads preset 5
7
/P6
Input
Loads preset 6
8
/P7
Input
Loads preset 7
9
/P8
Input
Loads preset 8
10 /ACH Input
Selects
channel
A
11
/BCH
Input
Selects channel B
12 RESERVE
D
Input Reserved
13 TALLY Input
Tally
light
14 ALARM
Output
Alarm
output
15 GND -
Grounding
pin
*
The input pins are active-low. When you use the remote control feature, make sure that you ground
each connector. The pins operate on pulse widths at or above 350 ms.
After configuring a setting, wait for 1 second or more before configuring the next setting.
CAUTION
