Alto MAXI-Q User Manual page 20

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
BALANCED XLR-M
Inputs A & B
BALANCED JACK
Outputs 1~2, RS485 OUT
BALANCED XLR-F
RS232
RS232 (9Pin-F)
Special attentions for R 232 interface:
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.
1
3
2
TIP
RING
2
3
1
(TXD) PIN2
(RXD) PIN3
(GND) PIN5
The wire must be changed between 2,3 pin.
S
SLEEVE
COLD ( )
PIN 5 PIN 3 PIN 2
9 PIN
19
GROUND
HOT (+)
COLD ( )
GROUND
HOT (+)
HOT (+)
GROUND
COLD ( )
PIN 3(RXD)
PIN 2(TXD)
PIN 5(GND)
9 PIN