Contact And Relay Connections; Figure - Cisco SCH-VDS-I Reference Manual

Installing the Cisco Video Door Station

Contact and Relay Connections

You can connect devices to the contact ports or the relay ports (see
Cisco Systems does not support using earth ground for contacts as this could damage the Cisco Video
Caution
Door Station.

Figure 19

1
2
Connect to a Port
The Cisco Video Door Station provides six (6) ports for use as two (2) contact sets and one (1) relay (see
Figure
Table 7
Port Type
Contact (2 sets)
Relay (1)
Cisco Smart+Connected Video Door Station Reference Guide
32
Contacts and Relays
Relays
Contacts
19).
Contact and Relay
Description
Terminal connector for one (1) dry contact closure, logic input connection, for
gate control, etc. Provides power for small devices (12 V), signal input (SIG),
return path (GND). The current, 100 mA, is shared across both sets of contacts.
Note
Terminal connector for one (1) normally closed or normally opened switchable
connection for doorbell control (see
a connection for Normally Opened (NO), Normally Closed (NC), and Common
(COM).
Do not use contacts that are grounded. The Cisco Video Door Station
only supports non-grounded contacts.
Figure 19).
Figure 20) or gate control. The set contains
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