Aiphone NBJ-20 User's Manual
Contents
1. lt gt AIPHONE 830759 NIGHT SWITCH OVER DEVICE MODELS NBJ 20 for max 20 station control NBJ 1 1286 NBJ 40 for max 40 station control NBJ 20B for max 20 station control NBJ 40B for max 40 station control INSTRUCTIONS DESCRIPTION NBJ NBJ B night switch over devices are designed for AIPHONE NEM NEM A Lamp Memory Intercom systems most suitably used in nursing homes private clinics schools and correction institutions etc The calls from subs being answered by the master A in nurse center during daytime can be routed via NBJ NBJ B unit to the master B during nighttime It may also be a popular application that a single master of one floor controls the subs of the other floor s during nighttime while each master controls its subs separately during daytime NEM master unit mounts onto the NBJ unit and NEM A master unit onto the NBJ B unit SYSTEM COMPONENTS NBJ 20 Night switchover deivice for NEM 10 and NEM 20 NBJ 40 do for NEM 30 and NEM 40 NBJ 20B do for NEM 10A and NEM 20A NBJ 40B do for NEM 30A and NEM 40A along with the standard NEM NEM A masters subs and accessories INSTALLATION NBJ NBJ B units are desk top use only First remove four screws on back of NEM NEM A master unit and remove the sub chassis Then attach the NEM NEM A unit to the NBJ NBJ B unit re screwing at four points OPERATION A rotary switch is provided on NBJ 20 and NBJ 20B units and two2. rotary switches on NBJ 40 and NBJ 40B units Be sure that all the switches are set to either position 1 or 2 at a time When the switch is set to 1 position the subs wiring is connected to the master and by setting the switch to 2 position the subs wiring is switched to the master B See SYSTEM LAYOUT EXAMPLE 1 mee ere eee ee i a SYSTEM LAYOUT AEDE 4 5 eere 620 EXAMPLE 1 The sub stations are controlled by the master during daytime After sub stations wiring is switched to 2 position the master B B takes earns during night am e e s a sa y l o o e ee e m e e e e e e e o e e o o a e a o o wee ee n a SYSTEM LAYOUT QAO 4 Ss aea OG OOG TEO 29 EXAMPLE 4 D O NANA nee 4 AZ During daytime NEM master and control communication with each subs separately By setting switch from 1 to 2 position NEM 40 master can receive calls from all the forty sub stations during nighttime WIRING DIAGRAM NEM SYSTEM WITH NBJ NIGHT SWITCH OVER DEVICE NEM master A placed on NBJ unit NEM master B To each subs NEM A SYSTEM WITH NBJ B NIGHT SWITCH OVER DEVICE NEM A master A Placed on NBJ B unit NEM A master B NOTE The terminal M on NBJ B unit Ne a o remain unused SPECIFICATIONS senate SWITCH OVER DIMENSIONS CAPACITY WxHxD WEIGHT USED FOR 318 x 84 x 197 NEM 10 20 Press to talk type Max 20 stat Ba ca 12 1 2 x 3 5 16 x 7 3 4 For table top use ONLY NEM 10A
3. 20A Press to talk or 418 x 84 x 197 2 1 kgs 20B ET NBJ 20 Max 20 stations 16 7 16 x 3 5 16 x 7 3 4 4 6 lbs a For table top 468 x 84 x 197 5 kgs NEM 30 40 Press to talk type NBJ 40 Max 40 stat xeo AK SEENON 18 7 16 x 3 5 16 x 7 3 4 5 5 Ibs For table top use ONLY NEM 30A 40A Press to talk or 568 x 84 x 197 NBJ 40B Max 40 stations x Fe Voice activated For table top 22 3 8 x 3 5 16 x 7 3 4 l use ONLY J WARRANTY A amp G Y Aiphone warrants its products to be free from defects of material and workmanship under normal use and service for a period of one amp K year after delivery to the ultimate user and will repair free of charge or replace at no charge should it become defective upon which examination shall disclose to be defective and under warranty Aiphone reserves unto itself the sole right to make the final decision a whether there isa defect in materials and or workmanship and whether or not the product is within the warranty This warranty shall not apply to any Aiphone product which has been subject to misuse neglect accident or to use in violation of instructions furnished nor extended to units which have been repaired or altered outside of the factory This warranty does not cover batteries or damage caused by batteries used in connection with the product This warranty covers bench repairs only and any repairs must be made at the shop or place designated in writing by
4. Aiphone Aiphone will not be responsible for any costs incurred involving on site service calls Ahora Co R Nagata Japan Aiphone Corporation Bellevue Washington NBJ 1 1286 8 a An Cn Cn RA RA OA OR OR Ky A Hs X PRs Khe K he A D Mee A he X ee H 4 0 0 0 1 y A ts K he Khe X es X ee MS INTE R COM SYSTEMS gt Al PHONE HOME BUSINESS INDUSTRY Printed in Japan E
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