Revision 1.3a
Page 10
2.11.1
Connecting 2BASE-TL Port
When attaching your line cord to the 2Base-TL connector on the XLR ensure
you identify the correct pairs within the cable. These can be seen in figure 2-4.
To connect your copper lines to the XLR 500 fit them into the RJ 45 port marked “2Base-TL”, using an
RJ 45 jack at the XLR end and an appropriate plug at the other end. In the UK this may be a British
Telecomm 631A plug.
Note that the RJ 45 supports up to 4 pairs, so to get the correct pair please refer to figure 2.4
2.11.2
2BASE-TL Synchronisation
The two XLRs at each end of the link must be configured differently, one as a
CO
and one as an
RT.
This is configured using the local console port, please refer to section 5.
Once connected to the line the XLR’s will go through a period of time where they probe the line
and synchronise to each other. This usually takes from 30 seconds up to 2 minutes depending on the
quality of the circuit. This period of synchronization is referred to as ‘Training, and during
this period the LEDS (numbered 0 to 3) on the XLR may blink. Once the line has been successfully
trained these LEDS remain, in a constant ‘On’ state.
2.12
Connecting the Console Port
To configure the XLR 500, in the first instance use a console connection between the equipment
and PC. As described in section 2.2, the console cable has a DB-9 female connector, which will
be connected to the PC, and a RJ-45 male connector, which will be plugged into the XLR. This
section described how to physically connect the cable.
To log into the system, user may refer to the section Configuring XLR 500 through a Console Connection
Connect the RJ-45 jack of the console cable to the port named "CONSOLE" on the front panel
of the equipment. Connect the DB9 female, the other end of the console cable, to the COM port of the PC.
< Figure 3-5 > Console Cable Connected to XLR 5xxA