Aiphone N-20AS, N-40AS specifications Names & Functions, Off Led, NAS Terminal Definitions

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Add-on Selectors for the NEM Lamp Memory System

N-20AS, 20-call N-40AS, 40-call

- INSTRUCTIONS -

The N-20AS and N-40AS add-on selectors are designed to function with the NEM Lamp Memory System, Type "C" or later. Multiple add-on selectors can be added to a master station along with a variety of sub stations to create a communication system tailored to a user's needs. All standard NEM system accessories can be used in conjunction with the add-on selectors. Each add-on selector requires a dedicated 24V DC power supply.

1	2	NAMES & FUNCTIONS:
		1.	OFF button
		2.	Selector button
		3.	OFF LED
		4.	Directory card
		5.	Station selector LED
		N-nAS TERMINAL DEFINITIONS:
		+		Positive 24V DC
		-		Negative
		1~40		Station number
		E		Common communication
		V1-V4 Connects to NB-U for
		A1-A4		Background Music

3 4 5

Individual Components for System:

NEM-nMaster station (10, 20, 30, 40-call sizes)

NEM-nAMaster station with handset (10, 20, 30, 40-call sizes)

NA-series Any sub station with NA, NB, or NE model number prefix

PS-2420UL 24V DC, 2A Power Supply

Other Accessory items listed in catalog or price list as compatible with the NEM series.

SPECIFICATIONS:
Power Source:	24V DC. Use PS-2420UL.
Communication Output: 500mW at 20 ohms
Communication:	Push-to-talk, release-to-listen (TALK button), or VOX handset at master (handset models only).
	Hands free at sub station.
All call output:	6W in a system of up to 20 sub stations
	12W in a system between 21 and 40 stations.
Calling:	Master to sub: By voice only after pretone.
	Sub to master: Call button on sub activates tone and LED, remaining activated until answered.
Wiring:	2 conductors homerun to sub station, or loop multi-conductor cable with 1 common wire
	plus 1 individual wire per sub station on the wire run.
	Shielded cable is recommended. Use Aiphone #822202 (22AWG) or #821802 (18AWG) 2 cond.
	Multiconductor: Aiphone #822210 (10 cond.), #822215 (15 cond.), #822220 (20 cond.)
Wiring Distance:	420' with 22AWG; 1,000' with 18AWG.

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