TOA Electronics VM-2120 用户手册

69

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

*

1

0 dB = 1 V

*

2

An optional EV-200 Board must be mounted in the VM-2120 or VM-2240 Amplifier. 
The voice messages must be pre-recorded into a CF (CompactFlash) card to be inserted into the EV-200
Board. 

*

3

Suppliable AC adapters 

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

Remarks 

120 V AC version 

230 V AC version 

Part name 

AD-4800 (US) 

AD-4800 (ER) 

AD-4800 (BS) 

AD-4800 (AS) 

Part code 

100-07-290-70 

100-07-291-80 

100-07-292-10 

100-07-293-60 

20 mA maximum (in terms of RM-200M's DC power input) 

Connection to RM-200M by dedicated cable 

Activation of Voice Announcement Board's voice messages when

controlling speakers in 10 zones at RM-200M 

ABS resin 

110 (w) x 76.5 (h) x 215 (d) mm 

350 g 

Current Consumption 

Connection 

Function 

Finish 

Dimensions 

Weight 

24 V DC (Operating range: 14 – 28 V DC) 

Power input jack: 

Non-polarity type 

Usable power input plug*

3

: Outer diameter ø5.5 mm, inner diameter

ø2.1 mm, length 9.5 mm 

100 mA maximum 

Under 1% 

100 – 20,000 Hz 

Over 60 dB 

0 dB*

1

, 600 Ω, balanced 

Unidirectional electret condenser microphone 

Zones 1 – 5 or Zones 1 – 10 (2 stacked amplifiers connection*

2

),

Groups 1 – 2, and All-Zone Broadcast 

Activation of Emergency Broadcast (pre-recorded announcement*

2

or live microphone announcement) by Emergency Switch 

Activation of 5 messages*

2

Up to 4 

RS-485 Control 

Microphone volume control 

Category 5 STP cable, RJ45 connector 

800 m maximum in total 

Only a single unit can be power-supplied from VM-2120 or VM-

2240 amplifier. Line resistance: Under 40 Ω (one way) 
ABS resin 

190 (w) x 76.5 (h) x 215 (d) mm (Gooseneck microphone excluded) 

750 g 

Power Source 

Current Consumption 

Distortion 

Frequency Response 

Signal-to-Noise Ratio 

Audio Output 

Microphone 

Speaker Control 

Emergency Broadcast 

Voice Message Control 

No. of Connectable Units 

Communication System 

Volume Control 

Connection Cable and Connector 

Communication Distance 

DC Power Supply from Amplifier 

Finish 

Dimensions 

Weight