9
Cisco Smart+Connected Video Door Station Reference Guide
OL-27367-01
Prerequisites and Requirements
Grounding Requirements
The following table indicates which power options require an earth ground.
Note
Cisco does not support using earth ground for contacts as this could damage the Cisco Video Door
Station. Do not use contacts that are grounded. The Cisco Video Door Station only supports
non-grounded contacts. See the
“Contact and Relay Connections” section on page 32
Backlit Button Indicator
The Cisco Video Door Station button’s light can be turned on or off depending on what is required for
the installation.
The backlit button may make it easier to see the button when it is dark outside. Normally, the light on
the button remains on or off depending on how it is configured in the system, however, it is also used to
convey device status during certain times.
When the device is first powered on, the button will blink slowly until the device is ready to be used in
the system. If the button continues to blink slowly for over 3 minutes, then the device may be
experiencing a problem and should be factory restored. During a factory restore process the button will
blink rapidly.
Mounting Tips
Follow these tips for the best results.
1.
Install the Cisco Video Door Station in a place where it will be protected from water (for example,
rain or sprinklers).
Note
The Internal Video Door Station is for interior use only.
2.
Do not expose the Cisco Video Door Station to direct sunlight (to reduce fading and degradation of
the faceplate).
3.
Mount the Cisco Video Door Station in a location where the caller can be seen and heard.
Table 4
Grounding Requirements
Power Type
Cisco External Video Door Station
Earth Ground?
Cisco Internal Video Door Station
Earth Ground?
Requirement
Complete?
(
9
)
AC
Yes, required for safety.
Yes, required for safety.
Power over Ethernet (PoE)
Optional; not required.
Recommended; not required.
DC
Recommended; not required.
Recommended; not required.