Aiphone master station ai-ms900 Manuel D’Utilisation

Printed in Japan
133-06-236-80

By one-touch pressing the master station's [REDIAL]
key, the last dialed number will be dialed again. 

9

2

Call

No. 92

REDIAL

Power Source 

24 V DC (supplied from the main frame)

Current Consumption 

60 mA

Talk System 

Duplex or semi-duplex conversation

Talk Frequency 

300 – 3,400 Hz

Handset Microphone/Speaker 

Dynamic type, 150 

Ω

Handsfree Microphone 

Electret condenser microphone

Station Speaker 

Dynamic type, 8 

Ω, ø57 mm, 0.6 W 

Key Pad

Membrane switch

Display 

12 digits LCD

Auto dialing Key 

8 keys 

Station Speaker Volume Control 

2-step selection slide switch 

Handset Speaker Volume Control 

Volume, 0 to +12 dB

Installation Method 

Desk-/wall-mountable

Wiring 

Twisted pair cables/2-pair

Connection Terminal 

Line output:

6-position 4-contact modular jack

External speaker output: 2-pin screw terminal (8 

Ω, 0.6 W)

Operating Temperature 

0 – 40°C

Finish

ABS resin, pale white

Dimensions 

216 (w) x 74.5 (h) x 213 (d) mm  

Weight 940 

g

Note: The design and specifications are subject to change without notice for improvement. 

Wall mounting bracket ................................ 1
Connection cord (3 m) ................................ 1
Wood screw  ............................................... 2