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PC4936 v1.0 Installation Manual • WARNING: This manual contains information 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...
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I n s t a l l er ’ s L o c k o u t To obtain service under this warranty, please return the item(s) Any products returned to DSC which have the Installer’s Lock- in question to the point of purchase. All authorized distributors out option enabled and exhibit no other problems will be subject and dealers have a warranty program.
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WARNING installed or positioned. Smoke may not be able to reach the Please Read Carefully smoke detectors, such as when the fire is in a chimney, walls or N o t e t o In s t al l e r s roofs, or on the other side of closed doors.
Section 1: Introduction 1.1 Specifications NOTE: In order for the PC4936 module to operate properly, the power output capability from the AUX terminals combined must not be exceeded. Use the data presented below to ensure that the PC4936 module is not overloaded when connecting audio stations. PC4936 Audio Interface Module •...
1.2 Additional Devices PC4937 Eight Port Expansion Module The PC4937 adds 8 more ports to the PC4936 Audio Interface module. PC5921 Interior Audio Station 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.
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.
Step 7 Program the PC4936 and Ports The PC4936 Audio Interface module programming can be done from any system keypad. Refer to Section 4: “Programming” on page 11 for informa- tion on each programming section. Helpful Installation Tips Feedback If an intercom station appears to be exhibiting feedback noise, check the fol- lowing for potential causes.
2.3 Audio Station Wiring Up to 7 audio stations can be connected to the PC4936 Audio Interface mod- ule. Each station must be home-run to the interface module via a shielded 22 gauge, 4 wire cable. Each PC5921 can be up to 1000’/303m from the PC4936; each PC5904 can be up to 500’/151.5m from the PC4936.
2.4 Telephone Line Connection The PC4936 has 4 terminals for the telephone line connection (TIP, RING, T1 and R1). The wiring must be as follows: • Incoming line - PC4020 TIP and RING • PC4020 T1 and R1 - PC4936 TIP and RING •...
Section 3: Audio Functions 3.1 Paging Users can page people on the premises using the intercom stations. NOTE: Only one page can be performed at a time. To initiate a page press the Page/Answer button on any station. The station beeps twice.
3.5 Answering Doorbells Exterior stations (PC5921EXT, PC5921EXT/R) can be programmed as door- box 1 or doorbox 2 for doorbell operation. When someone presses the but- ton on a doorbox 1 station, it will broadcast a “dingdong” sound over the system. Doorbox 2 will broadcast a “dong” sound over the system. To answer the doorbell users can press the Page/Answer button on any sta- tion.
ond. Once the call is answered the audio channel will operate the same as it does for a page. The call will end if the user presses and holds the Page/Answer button for 1 second. The call will also end after 30 seconds of silence. If a page is in progress when an incoming call is detected only the two users on the page will hear the ring.
To turn on the background music, enter user programming [*][6][Master Code], then press [9]. To turn off the music, enter [*][6][Master Code][9] again. NOTE: The monitor and music input feature cannot be on at the same time. If both are turned on monitoring will take priority and the music will not be heard.
Section 4: Programming Refer to the PC4020 Installation Manual for programming instructions. The following section explains all the programmable features including how the feature operates and options for the feature. 4.1 Port Definitions Ref #: [001600XX00], where XX = ports 01-15 Each PC4936 has 7 ports that can be connected to audio stations.
4.4 Page Listens To All Ref #: [001601] Enable the Page Listn All option to allow all stations which hear pages to respond without having to press the Page/Answer button. If the page is answered, normal page activity will take place. If the page is not answered, it will time out after 30 seconds.
4.8 Keypad Port Assignment Ref #: [001607] Use this section to tell the panel which keypad is closest to each audio sta- tion. This is important for the User Help, Verbal Alarm and Verbal Door Chime features to work correctly. See section 3.12 “User Help (Keypad func- tion key)”...
4.10 Central Station Talk/Listen-In Commands Ref #: [001604XX], where XX = key number 00-11 Ref #: [001605XX], where XX = mode key number 00-11 When the panel transmits a reporting code to central station and Talk/Lis- ten-In is initiated, the panel will pass the telephone line to the PC4936 for Talk/Listen-In.
Section 5: Programming Wor k s h e e t s Port Programming NOTE: Program ports 08 - 15 only if a PC4937 expander module is installed. [001600XX00] Port Definitions (XX = Port number, 01-15) See section 4.1 “Port Definitions” on page 11. (00) Not used (01) Doorbox 1 (02) Doorbox 2...
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[001600XX02] Doorstrike Function Key (XX = Port number, 01-15) See section 4.3 “Doorstrike Function Button” on page 11. Enter the 2-digit option for the Command Output that will be triggered. (00) Not used (01) Command Output 1 (05) Command Output 5 (02) Command Output 2 (06) Command Output 6 (03) Command Output 3 (07) Command Output 7 (04) Command Output 4 (08) Command Output 8...
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[001606] Zone Listen in: See 4.7 “Zone Port Assignment” on page 12. Default: [00] Select port 01 - 15 Zone Port Zone Port Zone Port Zone Port I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I I_____I_____I...
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[001607] Keypad Port Assignment: See 4.8 “Keypad Port Assignment” on page 13. Select port 01 - 15Default Default Default Keypad 01: Keypad 07: Keypad 13: I_____I_____I I_____I_____I I_____I_____I Keypad 02: Keypad 08: Keypad 14: I_____I_____I I_____I_____I I_____I_____I Keypad 03: Keypad 09: Keypad 15: I_____I_____I I_____I_____I...
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FC C C O MP LI AN CE S TATE M EN T Should terminal equipment or NCIDENCE OF protective circuitry cause harm to the telephone network, CAUTION: Changes or modifications not expressly the telephone company shall, where practicable, notify the approved by Digital Security Controls Ltd.
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