Pin-out information below for connecting a Clear-Com 4-wire port to a Hitachi CU-HD500 CCU Comm Channel (PD in this example)
Note: in order to connect and configure both channels (PD and ENG) separately, 2 discreet 4-wire ports are needed.
Configure the CU-HD500 for 4-wire and Clear-Com Modes:
On the CCU Mainframe main board, configure the following switches:
- SW.1-No.6: Down for Clear-Com mode
- SW 18, 20: Left for 4-wire mode
- SW 19, 21: Down for 4-wire mode
Pin-out a cable per below. Connect, and test.
FreeSpeak and HelixNet users:
If using FreeSpeak II or HelixNet
You may need to change the port function to "To Panel"
**From the Web Interface, navigate to Device > Ports. Select the port, and choose Port Function: To Panel