
2
—
Operating and Maintaining the VX-MD4024
28 / 44
2.2 Powering the VX-MD4024 Up or Down
This section describes how to power up the DSLAM and how to power down the DSLAM.
Table 2-2 Procedures of Powering Up the DSLAM
Step
Action
1
Put on the antistatic wrist strap and connect it to a grounding point.
2
Ensure that the DSLAM is securely installed.
3
Ensure that the DSLAM ground strap is connected to a suitable ground point.
4
Ensure that
–
48 Vdc power is being supplied to the DSLAM.
5
Ensure that the POTS lines, subscriber lines, and alarm equipment are
connected.
6
Wait for a minute, and then check the LEDs on the DSLAM. If the LEDs show
some problem, refer to section 3.2 for information on how to resolve problems
indicated through LEDs.
Table 2-3 Procedures of Powering Down the DSLAM
Step
Action
Caution: Powering down the DSLAM stops DSL service to subscribers. POTS
service is not affected.
1
Put on the antistatic wrist strap and connect it to a grounding point.
2
Disconnect the power connection.