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3

Section 2: Getting 

Started

2.1 Installation Steps

The PC4936 module must be installed by SERVICE PERSONNEL ONLY. It
must be installed in a metallic cabinet properly grounded. It is the installer’s
responsibility to ensure such degree of protection for the equipment that
NO ACCESS to the TNV circuit is given to the end user. The metallic cabinet
must be secured to the building structure before operation. A proper ground
connection must be provided for the metal cabinet. Internal wiring must be
routed in a manner that prevents:

• excessive strain on wire and on terminal connections
• loosening of terminal connections
• damage of conductor insulation

Follow these steps to install the PC4936 Audio Interface module and audio
stations. Review this section to get an overall understanding of the order of
installation. Once this is done, carefully work through each step.

Step 1

Mounting the PC4936 Audio Interface Module

Mount the cabinet close to the control panel as the PC4936 must be con-
nected to the incoming telephone line. Before attaching the cabinet to the
wall make sure to press the nylon circuit board mounting studs into the cab-
inet from the back.

Step 2

Connecting the PC4937 Module (optional)

To add 8 ports to the system, connect the PC4937 to the PC4936 module. See
the PC4937 

Installation  Sheet

 for instructions.

Step 3

Wiring the Combus

Wire the Combus to the PC4936 Audio Interface module according to the
diagram provided in 2.2 “Combus Wiring” on page 4.

Step 4

Wiring the Audio Stations

Wire each audio station according to the diagram provided in 2.3 “Audio
Station Wiring” on page 5.

Step 5

Wiring the Incoming Telephone Line

Wire the incoming telephone line according to the diagram provided in 2.4
“Telephone Line Connection” on page 6.

Step 6

Enrolling the PC4936

You must enroll the PC4936 on the system before it will work. To enroll the
PC4936, enter programming section [0200] then scroll to PC4936. To enroll
the module, press [*]. The keypad confirms enrollment by displaying
“PC4936 Mod. 01 Enrolled”. Refer to the PC4020 

Installation Manual

 for

more information.

firealarmresources.com

Summary of Contents for PC4936

Page 1: ...al WARNING This manual contains information on limitations regarding product use and function and information on the limitations as to liability of the manufacturer The entire manual should be carefully read firealarmresources com ...

Page 2: ...ited to a replacement of the product as the exclusive remedy for breach of warranty Under no circum stances shall Digital Security Controls Ltd be liable for any special incidental or consequential damages based upon breach of warranty breach of contract negligence strict liability or any other legal theory Such damages include but are not lim ited to loss of profits loss of the product or any ass...

Page 3: ...roperly alert occupants of a fire for a number of reasons some of which follow The smoke detectors may have been improperly installed or positioned Smoke may not be able to reach the smoke detectors such as when the fire is in a chimney walls or roofs or on the other side of closed doors Smoke detectors may not detect smoke from fires on another level of the resi dence or building Every fire is di...

Page 4: ... 9 Answering Incoming Calls 8 3 10 Transferring and Holding Calls 9 3 11 Call Waiting 9 3 12 User Help Keypad function key 9 3 13 Music Input 9 3 14 Alarm Follower 10 3 15 Verbal Alarm Announcements 10 3 16 Central Station Talk Listen in 10 Section 4 Programming 11 4 1 Port Definitions 11 4 2 Audio Station Options 11 4 3 Doorstrike Function Button 11 4 4 Page Listens To All 12 4 5 Handsfree Doorbe...

Page 5: ...output follower PC4937 Eight Port Expansion Module Current draw 5 mA Connect up to 8 audio stations interior or exterior Total current providing capability between AUX terminals 500 mA Input impedance at any microphone input 25kΩ Maximum music input signal level amplitude 200 mV peak to peak PC5921 Interior Audio Station Standby current draw 20 mA Maximum current draw 50 mA Built in speaker and mi...

Page 6: ...C5921EXT R Exterior Audio Station The PC5921EXT R Exterior Audio Station is housed in a gray fade resistant case designed for outside use Each station has a separate microphone and speaker Each station must be home run to the interface module using shielded 22 gauge 4 conductor wire The station can be used to sound the doorbell chime on interior audio stations A relay is included so that a pre exi...

Page 7: ...e control panel as the PC4936 must be con nected to the incoming telephone line Before attaching the cabinet to the wall make sure to press the nylon circuit board mounting studs into the cab inet from the back Step 2 Connecting the PC4937 Module optional To add 8 ports to the system connect the PC4937 to the PC4936 module See the PC4937 Installation Sheet for instructions Step 3 Wiring the Combus...

Page 8: ...ing either of these con trols counter clockwise will reduce their gain thereby reducing the possi ble level of feedback Placement Avoid installing intercom stations directly across from one another Feedback may also occur due to room acoustics which will be affected by several different factors such as the size of the room whether or not the floor is carpeted and the objects in the room Try moving...

Page 9: ...ack terminal of the station make sure the drain wire of the shield does not short anything on the back of the board but not both Refer to the diagram below Avoiding Audio Station Interference Noise The Combus wiring and several different electrical devices fluorescent lighting etc may induce noise onto the intercom wires For this reason shielded wire should be used whenever possible If shielded wi...

Page 10: ...phone line as shown below 2 5 Music Input Wiring The music input must be wired to a single port using an audio signal which does not exceed 200mV peak to peak To do this connect the music source to the microphone input for a port connect one side of the source to the microphone input one of terminals M1 to M7 or M8 to M15 if a PC4937 is used connect the other side to a COM terminal Program the por...

Page 11: ...either person can press the Page Answer button If the PC4936 detects silence for 30 seconds it will end the page 3 2 Page Listens To All You can program the system so that when a page is initiated users at all other intercom stations can respond hands free for 30 seconds i e without pressing the Page Answer button Ports in DND mode or which have the Paging Monitoring Doorbell Sounds option turned ...

Page 12: ... Chime If the door chime feature is enabled for zones on the system when a zone is violated or restored the keypads on the partition will beep If an Escort4580 v1 3 is connected to the system it will announce the label for the zone which generated the door chime over the audio stations 3 8 Monitoring The Monitor feature allows users to listen in on one area at any other inter com station except st...

Page 13: ... as usual To pick up a holding call at a telephone go to the telephone pick up the receiver and press the key for 1 second This puts the call through to the telephone and disconnects the intercom station from the conversation To pick up a holding call at any intercom station press the Do Not Disturb button 3 11Call Waiting If you have answered the telephone through an audio station and a second ca...

Page 14: ...ccurs the PC4936 will seize the telephone line call the central station and initiate a talk listen in session The PC4936 will start a session of low gain listen in on the station closest to the zone in alarm or on all stations if the CS Listen All option is on see 4 9 Central Station Talk Listen In on page 13 When the central station operator presses any key on the telephone a new session will beg...

Page 15: ...sable certain features of each interior audio station using the fol lowing toggle options All options are turned on for each station by default Pag Mon Drbell When you turn this option off pages doorbell sounds and monitoring will not be broadcast to the station Incoming Rings When you turn this option off incoming telephone calls will not ring at the station Doorstrike When you turn this option o...

Page 16: ...larms are silenced You can program two options on the PC4936 to customize the verbal alarm Alarm Tone Time Ref 001602 Program the length of time the alarm tone will sound before the zone label is announced Default is 015 valid entries are 000 255 seconds If programmed for 000 no alarm tone will sound Bells Active During Verbal Alarm Ref 001601 If the Bel Verbal Alm toggle option is on the system b...

Page 17: ... are enabled you should also enable the Duress Alarm option NOTE In all cases a reporting code for the event must be programmed in the control panel For example if a reporting code for a zone alarm is not programmed an alarm in the zone will not initiate a Talk Listen In session NOTE Module tampers will not initiate a Talk Listen in session For Talk Listen in to work correctly on zone alarms you m...

Page 18: ...e telephone Additional commands can be programmed as Mode Keys which are two button entries on the Touch Tone telephone The central station may be using other Talk Listen In equipment You can program the PC4936 so that central station operators can use the same com mands for all equipment Ask your central station how they need the com mand keys to be programmed The following commands are available...

Page 19: ...03 Port 14 I_____I_____I 00 Port 15 I_____I_____I 00 001600XX01 Audio Port Options XX Port number 01 15 See section 4 2 Audio Station Options on page 11 Paging Monitor Incoming Doorstrike Doorbell Rings Default Y N N Port 01 I_________I I_________I I_________I 02 I_________I I_________I I_________I 03 I_________I I_________I I_________I 04 I_________I I_________I I_________I 05 I_________I I______...

Page 20: ..._____I Port 15 I_____I_____I PC4936 Programming 001601 Audio Toggle Options See sections 4 4 Page Listens To All 4 5 Handsfree Doorbell Answer 4 6 Verbal Alarm Options 4 9 Central Station Talk Listen In Default CS Listen All N I_________I Page Listn All N I_________I Hands Free Dr N I_________I Bel Verbal Alm N I_________I Zone Alarms Y I_________I Misc Alarms Y I_________I Tampers N I_________I O...

Page 21: ..._____I_____I 015 I_____I_____I 048 I_____I_____I 081 I_____I_____I 114 I_____I_____I 016 I_____I_____I 049 I_____I_____I 082 I_____I_____I 115 I_____I_____I 017 I_____I_____I 050 I_____I_____I 083 I_____I_____I 116 I_____I_____I 018 I_____I_____I 051 I_____I_____I 084 I_____I_____I 117 I_____I_____I 019 I_____I_____I 052 I_____I_____I 085 I_____I_____I 118 I_____I_____I 020 I_____I_____I 053 I____...

Page 22: ...ct your cen tral station to determine which functions to program Program unused keys as 00 Key Key Default Key Key Default 00 0 00 I_____I_____I 00 Mode 0 00 I_____I_____I 01 1 01 I_____I_____I 01 Mode 1 00 I_____I_____I 02 2 00 I_____I_____I 02 Mode 2 00 I_____I_____I 03 3 03 I_____I_____I 03 Mode 3 00 I_____I_____I 04 4 14 I_____I_____I 04 Mode 4 00 I_____I_____I 05 5 15 I_____I_____I 05 Mode 5 ...

Page 23: ...he terminal equipment Stan dard jacks shall be so arranged that if the plug connected thereto is withdrawn no interference to the operation of the equipment at the customer s premises which remains connected to the telephone network shall occur by reason of such withdrawal INCIDENCE OF HARM Should terminal equipment or protective circuitry cause harm to the telephone network the telephone company ...

Page 24: ...honique bouclé utilisé par ce dispositif La terminaison du circuit bouclé peut être constituée de n importe quelle combinaison de dis positifs pourvu que la somme des indices de charge de l ensemble des dispositifs ne dépasse pas 100 L Indice de charge de ce produit est 0 1B NOTICE The Industry Canada label identifies cer tified equipment This certification means that the equipment meets certain t...

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