Connecting Mixed Ac/Dc Power And Ground - Avaya G650 Installing

To check commercial power and connect the AC power:
1
Set the DVM to the 250 volt range.
2
Carefully measure the voltage between the hot and neutral side of the receptacle. The neutral wire
is white, the hot wire is black.
3
Verify the meter reads 106 to 128 VAC. If not, have a qualified electrician correct the problem.
4
Measure the voltage between the neutral and ground side of the receptacle. The ground wire is
green.
5
Verify the meter reads 0 VAC. If not, have a qualified electrician correct the problem.
6
Set all media gateway power modules

Connecting mixed AC/DC power and ground

Figure 39, Typical power and ground for a mixed AC/DC-powered media gateway,
power and ground layout for a mixed AC/DC-power MCC1 Media Gateway configuration in the same
equipment room, with the first media gateway being DC powered and the next media gateway being AC
powered. If a third media gateway is part of the configuration, use the same basic connections.
Figure 39: Typical power and ground for a mixed AC/DC-powered media gateway
3
Figure notes
1 DC power supply
2 Ground Discharge Bar
3 Approved Ground
4 1 AWG up to 50 feet (15.2m) or engineered for
less than 0.5 volt drop per conductor
5 To Coupled Bonding Conductor terminal block
at Main Distribution Frame
Installing the Avaya G650 Media Gateway
June 2004
OFF
4
1
75A
2
-48V
-48V
5
6
. Plug the AC power cable into the receptacle.
10
PN
9
-48V RTN
6 Coupled Bonding Conductor
7 Media Gateway ground block
8 AC power-distribution unit
9 AC power cord
10 AC power source
on page 89 shows a
PN
8
7
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