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64179008APL1-5A 9
The connections are terminated by pulling out the
connector, slipping the wire through the access holes,
then pushing the connectors back into place
(see Figure 4).
HDSL2 Connection
The HDSL2 spans are connected to P2, P3, P4, and P5
(see Figure 4). At least 3 of the four HDSL2 spans
must provide span power to the Total Access 1000
DAT. Each HDSL2 span may be configured to
transport one DS1 IMA to and from the Total Access
1000 DAT. The Total Access 1000 DAT can operate
with one, two, three, or four DS1 IMA signals being
provided by the network. All terminations provide
surge and corrosion protection.
Power Connection
There are no power terminations. All power is
derived from the HDSL2 spans.
Timing Supply
There are no timing terminations. Timing is derived
from the HDSL2 spans.
Office Alarms
There are no alarm terminations. All alarms are
carried to the central office via the HDSL2 (T1)
overhead. Carrier alarm conditions such as a Red,
Yellow, or Blue (unframed all 1s) will be reported by
the central office equipment.
Installing cards
To install a Total Access 1000 DAT module, grasp the
unit by the front panel while supporting the bottom
edge. Align the card edges to the guide grooves and
insert the unit until the edge connector seats firmly
into the backplane. Lock the card in place by pushing
in the locking lever in against the front panel of the
module.
Front Panel Indicators
PSU Front Panel Indicators
The Total Access 1000 DAT PSU front panel contains
a POWER LED indicator. The POWER LED is ON
when the proper power is being received from the
HDSL2 pairs and is being distributed properly to the
other modules in the chassis. Table 3 gives the front
panel indicator descriptions.
Quad H2LIU Front Panel Indicators
The Total Access 1000 DAT Quad H2LIU front panel
contains four LED indicators. They are Loop 1, Loop
2, Loop 3, and Loop 4.
Table 3. Front Panel LEDs
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