HMS-4X Main Station: Rear Panel

BackPanelIllustration.jpg

Key to Main Station: rear panel

Feature

Description

Power supply with metal cable clip. The power supply operates at 100 - 240 VAC / 50-60Hz / 250 watts / T 3.15A H 250 V.

Control I/O (25 way female D-type). Use to connect up to 4 relay control outputs and 4 optically isolated control inputs, see Configuring the Control I/O)

Pin

Function

Pin

Function

Pin 1

Relay 1 NC

Pin 14

Relay 1 Pole

Pin 2

Relay 1-NO

Pin 15

Relay 2 NC

Pin 3

Relay2-Pole

Pin 16

Relay 2-NO

Pin 4

Relay 3 NC

Pin 17

Relay 3 Pole

Pin 5

Relay 3-NO

Pin 18

Relay 4 NC

Pin 6

Relay4-Pole

Pin 19

Relay 4-NO

Pin 7

 

Pin 20

+5V

Pin 8

GND

Pin 21

+5V

Pin 9

GND

Pin 22

Opto 1-

Pin 10

Opto 1+

Pin 23

Opto 2-

Pin 11

Opto 2+

Pin 24

Opto 3-

Pin 12

Opto 3+

Pin 25

Opto 4-

Pin 13

Opto 4+

 

 

Hot Mic output. This connection is a 1/4-in (0.64 cm) phone jack. It provides an output signal from the selected headset or panel microphone. The Hot Mic output is always live. Audio from the mic is routed through the Hot Mic output even if the mic is inactive (off).

Pin

Function

Tip

Mic

Ring

IFB mute signal

Sleeve

Ground

SA [Stage Announce] line out (3-pin male XLR).

Pin

Function

Pin 1

Ground

Pin 2

Positive

Pin 3

Negative

Program Input (3-pin female XLR).

Pin

Function

Pin 1

Ground

Pin 2

Positive

Pin 3

Negative

Line 1 (digital Partyline). (3-pin male and female XLR connectors).

Pin

Function

Pin 1

Ground

Pin 2

+30V DC and Audio

Pin 3

-30V DC and Audio

Line 2 (digital Partyline). (3-pin male and female XLR connectors).

Pin

Function

Pin 1

Ground

Pin 2

+30V DC and Audio

Pin 3

-30V DC and Audio

Slots for optional interface modules.

H – Slot 1

I –  Slot 2

J –  Slot 3

For more information, see HMS-4X Main Station rear panel: Interface modules

Warning: Only connect power supply to earthed supply sockets. Ensure that the power supply is routed to avoid sharp bends, hot surfaces, pinches and abrasion.
For more safety guidance, see the Safety Instructions at the front of this guide.

Note: The HMS-4X Main Station does not have a power switch, button or key. The system powers up when you connect the power supply.