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INSTRUCTION / INSTALLATION SHEET

Selective Call Intercom Door Unit 

 

IS-0387 Rev. B

 
301Fulling Mill Road, Suite G 
Middletown, PA 17057 
Phone (800) 321-2343 / Fax (717) 702-2546 
www.onqlegrand.com 

©Copyright 2011 by Legrand All Rights Reserved. 

Page 2 of 3 

 

NOTE: Make sure that the included weather proofing gasket is placed as shown in Figure 3. 

 

1.  As shown in 

Figure 3

, the first step to installing the 

Selective Call Door Unit is to place the included rear 
gasket against the gang or back box, and secure the 
gasket in place with the included mounting bracket. 

 

NOTE: Insure that the mounting bracket is installed with 
the center tab pointed up, as the Door Unit will be 
“hung” from this tab in a later step. 
NOTE: There are slotted holes in the mounting bracket 
to allow for leveling of the Door Unit in case the gang or 
back box was installed off level.  

 

2.  Use the four provided screws to attach the mounting 

bracket to the gang or back box.  

 
3.  Pull the Cat 5 cable from the enclosure through the mounting bracket and terminate the cable with an 

RJ45 plug and insert the plug into the RJ45 jack on the rear of the Door Unit (see 

Figure 4

). Follow 

the T568A standards described in 

Figure 2

 

NOTE: There is a four position terminal block on the rear 
of the Door Unit that can be utilized for two different 
purposes (see 

Figure 5

). The CHIME output is a normally 

open dry contact closure used to ring a customers 3

rd

 

party door chime when the Door Unit button is pressed. 
The SENSOR input is reserved for a future application. 

  

4.  Hang the Door Unit from the top tab on the mounting bracket and 

use the provided 1/16” allen wrench to tighten the two set screws 
at the bottom of the Door Unit. 

 

5.  Terminate the other end of the Cat 5 cable, at the Selective Call 

Intercom Module, with an RJ45 plug using the T568A wiring 
standard. 

 

6.  Insert the RJ45 plug into any of 

the eight Room, Patio, or Door 
Unit jacks on the Intercom Module 
(labeled 1-8).  

 

7.  After all Units and Modules are 

connected, apply power to the 
Selective Call Intercom Module 
and verify system functionality. All 
Selective Call Room, Door and 
Patio Units will be discovered and 
shown on each Room Unit LCD.  

 
 
 

 

Figure 3 

rear 
gasket 

center tab 

mounting 
bracket 

 

set screws 

RJ45 
jack 

Figure 4 

Figure 5 

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