Replacing The Power Supply; Figure 3-22 Removing The Power Supply - Lucent Technologies Stinger Compact Remote Getting Started Manual

Enclosure and Component Installation
Installation and replacement of Stinger CR components

Replacing the power supply

Before removing the power supply for the Stinger CR ATM DSLAM, be sure that the
unit has been properly shut down, and that the source voltage has been
disconnected.
Note When removing the power supply, disconnect the power input connector
(±190Vdc) or screw terminals (-48Vdc) before loosening the locking screw. When
installing the power supply, tighten the locking screw before connecting the power
input connector.
Use the following procedure to replace the power supply of a Stinger Compact
Remote ATM DSLAM unit.
1 Disconnect the power input connector (±190Vdc) or screw terminals (-48Vdc)
from the power supply.
2 Fully loosen the locking screw on the upper right side of the front of the power
supply and pull it straight out of its mounting bay as shown in Figure 3-20.
Figure 3-22. Removing the power supply
Alignment slot
Alignment tab
3 Install the replacement power supply by aligning the tabs formed by the upper
surface of the power supply with the slots on each side of the chassis (left
alignment tab and slot shown in Figure 3-22).
4 Gently slide the power supply straight into the chassis until the connector on the
back of the power supply makes contact with the connector in the back of the
power supply bay.
5 Firmly press the power supply into place until it is fully seated
6 Fully tighten the locking screw on the upper right side of the front of the power
supply.
7 Reconnect the power input connector (±190Vdc) or screw terminals (-48Vdc).
3-30
2
LP M
1
LIM
1
LP M
TS
PO W ER IN PU
+1 90 V
-19 0V
The Stinger® Compact Remote ATM DSLAM Getting Started Guide
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Locking screw