Alto 3.4 User Manual download pdf (Page 32)

6. CONNECTIONS

The following diagrams show the schemes of the recommended cables and some connection examples referred to

various system configurations.

Inputs A & B, RS485 IN

GROUND

HOT (+)

COLD ( )

Inputs A & B

GROUND

HOT (+)

COLD ( )

RING

SLEEVE

TIP

BALANCED XLR-M

BALANCED JACK

Outputs1~6,RS485 OUT

GROUND

HOT (+)

COLD ( )

BALANCED XLR-F

RS232

RS232 (9Pin-F)

PIN 5 PIN 3 PIN 2

(RXD) PIN3

(GND) PIN5

(TXD) PIN2 PIN 3(RXD)

PIN 2(TXD)

PIN 5(GND)

The wire must be changed between 2,3 pin.

9 PIN

Special attentions for R 232 interface:S

1. Be careful not to use the pin-to-pin cable in the system, it may damage the communication part of this unit.

2. Be sure to use the female connector on both sides of the cable.

3. The length of this cable must not exceed 30 meters, or there would be some unexpected communication errors.

4. If you want to use a long distance remote control, it would be better to use shielding wire for this cable.

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Alto 3.4 User Manual Page 32