4.1.4 Configuring via the RS 232 interface
The router is connected to a PC via the RS 232 interface "Console"
using a null-modem cable. The RS232 protocol is used directly so that
no IP communication is possible. The difference to configuration using a
zero-modem cable connected to the external modem connection is that
no full PPP connection is created; the router cannot be addressed from
the SSH or using a web browser.
The use of the RS 232 interface provides expanded diagnosis options
through direct output of all screen contents to the serial CONSOLE
output of the router, which is especially advantageous for the
configuring and maintenance of the router itself. Access to the
underlying network, however, is not possible.
It is also possible, however, to reload the original default settings if the
router is configured not correctly if you press the ENTER key when
prompted to do so during booting.
4.1.4.1
Ethernet
Telephone
network
RS 232
It is strongly recommended to use a web browser for configuring.
NOTE
4.2
4.2.1 Adaptation of the IP address
The initial configuration of the router must include an adaptation of the
IP data of your router to the IP data of your Ethernet.
The following addresses are set by default:
IP Address
Network Address 192.168.1.0
Subnet Mask
Available configuration services for different connections
Web Browser
possible
possible
not possible
Configuring via the Ethernet
192.168.1.100
255.255.255.0
RS232
SSH
not possible
possible
not possible
possible
possible
not possible
Configuration
4-19
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