¾
3-1-8
¾
Installation of 3DHEXU
IMPORTANT NOTICE
: The TX-Z 308 Main Equipment can accommodate only
up to 2 optional cards
due to the height.
The NX7E-3DHEXU-A1 unit provides:
Ÿ Two doorphone interface
Ÿ One external speaker interface
Ÿ One external MOH input
Ÿ One alarm input
To install this unit in the main equipment:
1. Attach the 3DHEXU unit to the connector labeled EXPCN on the main unit.
2. Secure the 3DHEXU unit with metal spacer (included).
Note:
If the 3SMDR unit has been installed in the main equipment, mount the 3DHEXU unit on the
3SMDR unit as illustrated below.
This section provides information on installing the Doorphone Boxes in TX-Z 308 system.
Specifications:
150 m wire maximum of 0.5 f twisted telephone cable.
1. Connect wires to the terminal marked R and C on the back of the Doorphone Box, and connect
the other end to DH1 on the 3DHEXU unit for Doorphone Box 1 or DH2 for Doorphone Box 2.
(See illustration below)
Metal spacer
3DHEXU unit
3SMDR unit
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