4 Electrical connection
26
RS485
9-pin SUB-D socket connector
(switchable to RS232)
3TxD+/RxD+
Transmit/receive data +
5 GND ground
8TxD-/RxD-
Transmit/receive data -
Connector 7
USB device interface
for connecting a PC
The recorder without stainless
steel front also has a USB
device interface on the front
panel, connected in parallel.
The two interfaces cannot both
be operated at the same time.
Connector 15
Terminal assignment Connector Diagram