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Chapter 3 - Configuring the REX2
Campus-REX2 RS Interface Card User Manual 45
Configuring Routing Protocol, Encapsulation and Timing
The Campus-REX2, as a default configuration, is set to bridge data. You can,
however, change this setting for the Campus-REX2 to be a router. In the
following procedures, you can set up the router encapsulation and timing
source.
1 Type then press to select Router as the Network Protocol.
2 To change the packet encapsulation, type then press . Select an
Encapsulation option:
• cHDLC for Campus-REX2 to another Campus-REX2 application
• PPP when the remote Campus unit has a synchronous interface card
such as a V.35 or when connecting to Ethernet equipment from
another manufacturer
3 To change the timing source, type then press . Select a timing
source setting:
• Internal (default setting) which takes its timing from an internal
oscillator
• HDSL which takes its timing from the HDSL link
The Timing Source option determines the source of circuit timing on the
HDSL link. The proper setting of the Timing Source option depends
upon the interface card of the remote Campus unit:
• If the Campus-REX2 is connected to a Campus unit with another
Campus-REX2, leave the Timing Source option set to Internal. Set
the other end (remote) of the connection to HDSL; the Campus
system will not operate properly if both units are set to HDSL.
You can only configure the Campus-REX2 as a router through
connection to the Console port or a Telnet session. Most
router options are not configurable through the LCD menus.
1 ENTER
2 ENTER
3 ENTER