Clear-Com 4000 II Series User Manual

4000 Digital Series II Issue 2.1 Technical Manual
STA0381 Page 83
This RCU performs the same function as the 3622 RCU, except that the audio inputs and outputs are
electronically balanced.
4.6.3 PDE 4643 - Processor I/O RCU (RS232/RS422)
Figure 79 - PDE4643 Processor I/O RCU
The PDE4643 is the processor card rear connector unit and provides connectors for the 2 serial ports,
the ethernet AUI , 10BaseT and coax connectors for synchronising the audio clock of different matrices.
LK2,3,4,5 are for termination of the serial ports if RS422 format is adopted.
CON1, 4, 8 & 12 provide for the fitting of an optional PDE4645 GPI card , the inputs & outputs of which,
will appear on CON9 & 10.

Clear-Com 4000 II Series Specifications

General

Brand	Clear-Com
Model	4000 II Series
Category	Control Panel
Language	English