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Special
Order
1103
Products
NDRM
Rack Mount Communication and Access/Camera Control System
Master Consoles: NDRM-12 NDRM-20
Add-On Consoles: NDA-20 NDA-40
- INSTRUCTIONS -
The NDRM Rack Mount Communication and Access/Camera Control System is designed for communication
between a central master console and remote intercom stations. In addition to communication to remote locations,
an external device can be activated, such as a CCTV camera when the associated sub station is selected, a door
strike
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2 COMPONENTS & WIRING TERMINAL DEFINITIONS CP-544 - Sub & Relay connection PC Board: NO Normally open side of momentary relay contact (activated when door release button is pressed) COM Common side of momentary relay contact (activated when door release button is pressed) NC Normally closed side of momentary relay contact (activated when door release button is pressed) NO Normally open side of maintained relay contact (activated when station button is selected) COM Common side of maintained re
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2 COMPONENTS & WIRING (Cont.) WIRING & INSTALLATION: Before Installation: · Make sure you have the proper power supply(ies) and all necessary and compatible equipment for the system. · Background music is optional and requires additional equipment. See notes below. · Lay out your system in advance, assigning station numbers for all sub station locations. · Surge protection for the intercom equipment is strongly recommended. Add SA-1 surge arrestors for the power supply, plus one per two
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3 WIRING DIAGRAMS 3A. CONNECTION OF MAIN TERMINAL TO MASTER AND ADD-ON Mother Board CP-543A CP-543A PS-2420UL (Master) IMPORTANT! A+ + Make sure that the appropriate mother terminal board A- - (CP-543A) is connected to the master and add-on selector(s). Master and add-on mother terminal boards B- are NOT interchangeable. B+ CN 1 (Included Ribbon cable "M") Q H E S NDRM-20 B (Back View) Y V1 A1 V2 A2 CP-543A 2-pin connector. Connect to add- (Add-on) (Included Ribbon cable) on selector(s). NDA-
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3 WIRING DIAGRAMS 3B. SYSTEM USED FOR SELECTIVE DOOR RELEASE OR CCTV CAMERA CALL-UP WIRING DIAGRAM: Intercom Intercom CP544 NE-NVP-RA CP-544A #2 NE-NVP-2DC/B CP-544A #1 CP-544A Red 5 Red 1 Blk E Blk E Yel H Wht S Grn Leave green Org H jumper intact Grn Moment H Grn Leave green Mother jumper intact NO Blu Grn Board Moment COM Org Contact CP-543A* #1 NC Org NO ** To strike and power Yel COM Contact #2 Yel NC Const Const NO *** To Video Switcher NO COM COM NE-NVP 2 Red E Blk NE-NVP-2DC/B H Grn Lea
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3 WIRING DIAGRAMS 3C. SYSTEM WITH BOTH DOOR RELEASE AND CCTV CAMERA CALL-UP WIRING DIAGRAM: Intercom Intercom NE-NVP NE-NVP CP-544A #1 CP-544A #2 CP-544A Grn Leave green Grn Leave green 1 Red 5 Red jumper intact jumper intact Grn Grn E Blk E Blk H H Moment Moment NO To strike and power NO To strike and power (Momentary Contact) (Momentary Contact) COM COM NC NC Const Const To Video switcher NO NO To Video switcher (Maintained Contact) (Maintained Contact) COM COM NE-NVP NE-NVP 2 Red Grn Leave g
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3 WIRING DIAGRAMS 3D. SYSTEM USED WITH LEF-5-NE MASTERS WIRING DIAGRAM: Mother Board Intercom CP-543A LEW-5-NE/B CP-544A #1 NE-NVP-RA-LE 1 N1 D1 + A+ Red E - A- N2 D2 Blk H N3 D3 Gray PS-2420UL B- N4 D4 B+ Moment N5 D5 Grn CN 1 NO wire COM NC NE Blu Const NAR-2A* NO Pur COM Org Blue H Blue H Q Q E Yel S LEF-5-NE 4 * Reset Button: B (Any normally closed E 1 L1 Y button or keyswitch. H K1 V1 K1 Not required when Wire each resetting the call from A1 2 L2 station to a the master.) V2 designated K2
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4 OPERATIONS & SPECIFICATIONS OPERATIONS: * POWER SWITCH MUST BE ON FOR THE SYSTEM TO BE OPERATIONAL. Receiving a call from a single sub station: 1. Sub station calls in with electronic tone, heard until the call is answered at the master. 2. LED light corresponding to calling station will light at master, flashing until the call is answered. 3. Depress station button with lit LED. LED will change from flashing to steady. 4. Press TALK to speak, release to hear reply, or use handset. NOTE:
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4 OPERATIONS & SPECIFICATIONS SPECIFICATIONS: (Subject to change without notice) Power Source: 24V DC at master. Use PS-2420UL for master and each add-on selector Commun. Output: 500mW at 20 ohms Communication: Push-to-talk, release-to-listen (TALK button) or VOX handset at master. Hands free at sub station. Calling: Master to sub: By voice only after pretone. Sub to master: Call button on sub activates tone and LED at master. Tone remains active until call is answered. LED is active until ca
