Commax DRC-703LC/RF1, User Manual, Page: 5 / 68

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2. Before Use
* Wiring Lobby phone and Security Station Phone :
1) For 481 System (Coaxial Cable): Common 8 wires that are 3 ch 1 channel
with “Balance Type”.
2)For Gateview System (UTP Cable): Common 4 wires with 1 channel.
* Wiring Lobby phone and Household unit monitor:
1) For 481 System (Coaxial Cable): Common 4 wires that include audio and video via
coaxial cable.
2) Gateview System (UTP Cable): Common 8 wires (Common 6 wires + Video 2 wires)
that include audio and video via UTP cable and the video shall be connected by
“in/out” method.
* Any short-circuits and/or disconnection may cause product damage. Please check the
wires before installation.
* It is recommended to install one each of Lobby phone, Security Station phone, and
Household unit monitor to check the functionality before initiating overall products
installations.
* RF Card Keys may be registered up to 2,048 keys (if not connected to computer)
* Failing Management Password, Building Password, and Unit Password more than 3
times will cause an automatic notice to Security Station. Attempts to initiate an
entrance with unregistered RF Card Key will cause an automatic notice to Security
Station as well.
[WARNING]
When power is initially turned on, please be sure that none of the buttons are
pressed.