Assessments - 5, GPA: 4.4
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Multiple masters can be used, along with a large variety of sub station models to create a communication system tailored to the user's needs. Master stations are available in 20-and 40-station sizes, with or without a handset. For greater capacity, include a 20-or 40-station add-on selector. Any "LE-" or "LS-" series sub station can be used. All Call and/or Background Music are optional features requiring additional equipment (BG-10C, PS-1225UL). NAMES & FEATURES LAF-20CA (pictured) NAMES & FUNCTIONS: 1. Handset 2. Power indicator 3. Microphone 4. Speaker 5. Terminal Block 6. OFF button 7. Selector button 8. Power switch 9. Voice volume control 10. Call tone volume control 11. All Call button 12. TALK button 13. Occupied LED 14. OFF LED 15. Directory card 16. Station selector LED FEATURES: · Single or multi-master capability · Commercial grade, durable master station for heavier usage · Master stations available with or without a handset · Single talkpath, with push-to-talk operation or handset at master, and hands free communication at sub station · Large variety of sub stations available -Surface or flush mount, with or without privacy (LE-A, LE-AN, LE-B, LE-BN) -Weather resistant door stations (LE-D, LE-DA, LE-DL) -Vandal proof sub station (LS-NVP/B, SBX-NVP surface mount box) · Selective calling to sub stations, and master-to-master communication · Subs call in with momentary tone and LED, remaining lit for approximately 20 seconds · Optional All Call (additional equipment required) to call all stations simultaneously · Equipment used for All Call also allows for background music to be heard through master and subs · Master is desk or wall mountable. LAF-20CA can be rack mounted in RMK-01 rack mount kit. LAF-20C can be rack mounted in RMK-03 rack mount kit. · 20-and 40-call add-on selectors available, with LA-40AS rack mountable with RMK-02. Pg. 1 COMPONENTS & WIRING X4X3X2X1EEEE-+ X8X7X6X5P3P2P1YRC 12345678910 11121314151617181920 Individual Components for System: LAF-20C 20-call console-style master station LAF-20CA 20-call console-style master station with handset LAF-40C 40-call console-style master station LAF-40CA 40-call console-style master station with handset LA-20AS 20-call Add-on Selector LA-40AS 40-call Add-on Selector PS-1225UL 12V DC, 2.5A Power Supply. One per system, or one per BG-10C when All Call/Music is included LAF-20C/CA terminal block (also powers intercom system) LE-series Any sub station with "LE-" prefix LS-NVP/B Vandal proof sub station for LAF-C/CA system SBX-NVP Surface mount box for LS-NVP SA-1 Surge Arrestor (1 per 2 wires being protected) LAF-C TERMINAL DEFINITIONS: + Positive 12V DC -Negative 1~40 Station number, establishes communication to other master or sub C "CALL", for receiving a call from another master TRANSMIT RECEIVE E Common communication JUMPERS: R Control for Occupied light In multi-master system, remove E/-jumper at master and ("R" is grounded when system is occupied) sub stations. Y All Call override control of station in use during All Call When add-on selector is included, remove X2/X3 jumper. (9V DC when system is in All Call mode) INTERNAL CONTROLS: P1 All Call activation control VOX. SENSITIVITY: Potentiometer is located inside unit behind handset. Adjust for sensitivity of VOX circuit. (10V DC when All Call is activated) P2, P3 Audio output for All Call initiation CALL TONE WHILE MONITORING: (Voice transmit from master initiating All Call) On the main PC board, there is a jumper labeled W1. With this in place, the incoming call tone will be muted if X1~X8 Connection for add-on selector (Type E) any master in the system is in the Occupied mode. If call Remove X2/X3 jumper when add-on selector is used. tone is desired while Occupied, cut W1 jumper. WIRING & INSTALLATION: Before Installation: · Make sure you have the proper power supply(ies) and all necessary and compatible equipment for the system. · All Call and/or background music are optional features which require 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 wires connected to the master station. See diagram on page 3. Wire: · Shielded wire is recommended. Use the proper gauge for the distance being run. · Wiring between masters must be a multi-conductor cable. If more than one cable is used to connect masters, the "E", "C", and number terminal wires must be in the same jacketed cable. If necessary, run multiple "E" wires, on...
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