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Installation and Startup
700-712-100-01, Revision 01
20
May 10, 1999
UTU-712 and ETU-762 List 1
I
NSTALLATION
AND
S
TARTUP
This section describes the installation and startup procedures for the line and desktop units.
UTU-712 L
INE
U
NIT
I
NSTALLATION
Perform the following steps to install the UTU-712 line unit.
1
Align the UTU-712 with the card guides in the shelf or enclosure (see
).
2
Slide the line unit into the guides, then push the unit inward until it seats firmly in the card-edge connector.
3
Tighten the two captive screws on the UTU-712 front panel to secure the unit in place.
4
If configuring the line unit as an LTU, power up the shelf and proceed as instructed on pages
through
and
to access the Local Unit Role option in the Config System Settings menu (the default setting is NTU).
5
Set the TT clock at the DTE for the default HDSL payload rate of 256 kbps (4 time slots).
Figure 11.
Installing the UTU-712 Line Unit
The chassis ground of the shelf or remote enclosure receiving these units must be connected
to earth ground for protection of the equipment and for safety of personnel.
Other protection is required when the network side of the equipment is extended to an outside
facility.