Cisco SCH-VDS-I Reference Manual page 21

Figure 10 Ethernet with AC Power: External Video Door Station (Left) and Internal Video Door Station (Right)
1 Ethernet cable
2 AC connections (hot and load)
3
Ground wire
Option 3: Ethernet Connection with DC Power
Use this option to connect Ethernet networking and DC power.
Procedure
Plug the Ethernet cable into the Cisco Video Door Station (see
Step 1
Connect a ground wire from the Video Door Station to one of the Back Box lugs (see
Step 2
Connect a second earth-ground or house-ground wire from the second Back Box lug to the residence.
Step 3
See the
Connect the negative (-) and positive (+) wires to the DC power source for the Video Door Station
Step 4
according to the national and local electrical codes.
Tip
Step 5 Your installation may require alternative wires and the use of a terminal block (see
power wires to 1/4" on the end if necessary.
OL-27367-01
"Grounding Requirements" section on page 9
The positive (+) wire's connector is located on the bottom left side of the Video Door Station's
plate.
Figure
for details about earth grounding.
Cisco Smart+Connected Video Door Station Reference Guide
Installing the Cisco Video Door Station
11).
Figure 17).
Figure 11). Strip the
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