AKG DMM14 U Reference Manual page 84

Description
Serial control
USB port
IN - EXPANSION - OUT
DMM14 MANUAL
5.4.6 Serial control via RS232
RS232
Figure 11: Serial control
The RS232 socket (38) permits software updates to be carried out and to
operate the device via an external control (e.g.: AMX). The pin assignment is
as follows:
Pin Function
1 GND
2 TxD
3 RxD
5.4.7 USB port
RS232 USB
Figure 12: USB port
The USB port (39) can be used to connect the device to a PC to perform
firmware updates and permit external control.
The connection is established via a standard MS Windows driver. An Apple
driver needs to be installed manually if required.
LAN
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