Specifications – Aiphone MASTER STATION AI-MS900 User Manual
Page 16

Printed in Japan
133-06-236-80
8.7. Redial
By one-touch pressing the master station's [REDIAL]
key, the last dialed number will be dialed again.
9
2
Call
No. 92
REDIAL
9. SPECIFICATIONS
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.
• Accessories
Wall mounting bracket ................................ 1
Connection cord (3 m) ................................ 1
Wood screw ............................................... 2