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Output Connections 

Specification 

 

Molex connector 

Cables should be terminated at the six way molex type 
connector on the rear of the 1ZPR pcb.

 

 

B  D  H  G  C  A 

B                   A 

 

CAT5 

 connections are as follows: 

           A = +24V 
           B = Gnd 
           C = PTT 
           D = Busy 
           E 
           F 
           G = Audio + 
           H = Audio - 

 

SPECIFICATIONS ARE SUBJECT TO CHANGE 

WITHOUT PRIOR NOTICE

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

SigNET AC Limited
6 Tower Road, 
Glover Estate, 
Washington, 
Tyne & Wear, 
NE37 2SH. 
Tel: 0191 417 4551 
Fax: 0191 417 0634 

 

 

Page  4  of  4 

DocNo.DCP0001372  ADS  14/11/05  rev4 

Summary of Contents for 1ZPR

Page 1: ...ompression ratio The output of this stage is fed to an LED output level display and a three band equaliser 100 Hz 1KHz 10 kHz Power is supplied at nominal 24 VDC via separate cabling the phantom power on the audio and audio being used for fault detection only A regulator circuit provides 15 VDC for powering the 1ZPR electronics Front Panel Features The 1ZPR provides for the following LED indicatio...

Page 2: ... and paging may commence The speak bar LED indicator will flash if there is a busy input indicating that an equal or higher priority input to the system is in use on one of the selected zones or that access to one of the selected zones is excluded If the zone selection is valid the busy in will permit the speak bar to illuminate steadily and the announcement can be made Fault monitoring The electr...

Page 3: ...setting and should not be removed for life safety applications Removing the header disables mic monitoring and subsequent fault indication on front panel 3 EQ controls Bass Mid and Treble controls are provided Each provides 12dB of attenuation Turn fully clockwise for max 4 Master and Chime levels Separate Audio and chime level controls are provided Turn fully clockwise for max Microphone Connecti...

Page 4: ... of the 1ZPR pcb B D H G C A B A CAT5 connections are as follows A 24V B Gnd C PTT D Busy E F G Audio H Audio SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT PRIOR NOTICE SigNET AC Limited 6 Tower Road Glover Estate Washington Tyne Wear NE37 2SH Tel 0191 417 4551 Fax 0191 417 0634 Page 4 of 4 DocNo DCP0001372 ADS 14 11 05 rev4 ...

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