Acom 2020S - Table 2-4 | Signals and Pin out of the Amplifiers RS-232 Connector; Table 2-5 | Signals and Pin out of the Rcus LAN Socket

User's Manual | ACOM 2020S | 1.8-54 MHz Linear Power Amplifier
Page 26 of 76 | S e c t i o n INSTALLATION
June 2022
c) Amplifier's RS-232 interface connector
Please, see Figure 2-3 | Amplifier rear panel - Connections, Pos. 2 and Table 2-4 | Signals and pin out of the
amplifier's RS-232 connector.
This connector may remain unused until you decide to control the amplifier remotely (see Section
6.2 Remote Control via RS-232 interface).
Table 2-4 | Signals and pin out of the amplifier's RS-232 connector
RS-232
interface
Pin Nr.
Pin name
Description
Specification
D-sub
connector,
9-pin, female
(Rear panel
view)
1
-
Not connected
-
2
TxD
Transmit Data
RS-232 level output
3
RxD
Receive Data
RS-232 level input
4
-
Not connected
-
5
GND
Ground
0 Volt
6
DSR
Data Set Ready /
Remote Power On
RS-232 level input
7
-
Not connected
-
8
CTS
Clear To Send /
Remote Power On
RS-232 level input
9
-
Not connected
-
Table 2-4 | Signals and pin out of the amplifier's RS-232 connector
d) RCU's LAN Ethernet interface connector
Please, see Figure 2-6 | RCU model R05 rear panel, Pos. 5 and Table 2-5 | Signals and pin out of the RCU's LAN socket.
This socket (RJ45 type) may remain unused until you decide to control the amplifier remotely via your local
network or via Internet.
You may select either Ethernet (cable connection) or Wi-Fi (wireless connection) interface to connect the
amplifier to your local network or to Internet (see Section 6.1 Remote Control via Ethernet Interface).
Automated software update process enables amplifier firmware download over Internet (see Section
7.5 Firmware).
Table 2-5 | Signals and pin out of the RCU's LAN socket
LAN
interface
Pin Nr.
Pin name
Description
Colors (T568A pin assignment)
RJ45 socket,
8-pin, female
(Rear panel
view)
1
Rx+
Receive Data
White -
Green
2
Rx-
Receive Data
Green
3
Tx+
Transmit Data
White -
Orange
4
Unused
-
Blue
5
Unused
-
White -
Blue
6
Tx-
Transmit Data
Orange
7
Unused
-
White -
Brown
8
Unused
-
Brown
Table 2-5 | Signals and pin out of the RCU's LAN socket