44
Installation RS20/22/30/32/40
Release
05
12/2015
1.5 Management interfaces
1.5.1 USB interface
The USB socket is an interface for the local connection of an
AutoConfiguration Adapter ACA21-USB. It is used for saving/loading the
configuration data and diagnostic information, and for loading the software.
1.5.2 V.24 interface (external management)
The V.24 interface is an RJ11 socket.
At the V.24 connection, a serial interface is provided for the local connection
of an external management station (VT100 terminal or PC with
corresponding terminal emulation) or an AutoConfiguration Adapter ACA 11.
This enables you to set up a connection to the Command Line Interface (CLI)
and to the system monitor.
The socket housing is electrically connected to the front panel of the device.
The V.24 interface is not electrically isolated from the supply voltage.
Figure 15: Pin assignment of the V.24 interface and the DE9 connector
Note: The terminal cable is available as an accessory.
You will find a description of the V.24 interface in the “User Manual Basic
Configuration” document on the CD/DVD supplied.
Figure Pin Operation
1VCC (VBus)
2 − Data
3 + Data
4 Ground (GND)
Table 11: Pin assignment of the USB interface
VT 100 terminal settings
Speed 9600 Baud
Data 8 bit
Stopbit 1 bit
Handshake off
Parity none
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