Clear-Com V12PDDXY - Manual (Page 152)

Each cable connecting a V Series main panel to an expansion panel or an expansion panel
to another expansion panel must not exceed 5 metres in length, and the total length of any
expansion panel daisy chain must not exceed 7.5metres in length.
Note:
If power is removed from an expansion panel within a chain that panel and all expansion
panels after it in the chain will no longer work.
7.3 Front panel connectors
The V-Series main panels have a microphone connection and a headset connection on the
front.
The microphone connection is always a three pin socket while the headset connector may
be an XLR-4M, XLR-5F or XLR-7M connector.
The pinouts for the connectors are given below.
7.3.1 Microphone connector
Figure 182: Microphone connector
Pin Description / comments
1
Screen
2
Microphone input +
3
Microphone input -
Table 38: Microphone connector pinout
Note:
Configuration of the wrong type of microphone or headset will degrade or nullify the audio
from the panel or worse still, damage the microphone or headset.
152 V-Series Panels User Guide