Technical Manual Issue 2.1 4000 Digital Series II
Page 78 STA0381
4.4 PDE4606B - 16 Channel Panel Communications Card
The PDE4606B Panel Communications Card sends and receives the combined digital audio and control
data for each Control Panel.
Figure 73 - PDE4606B 16 Channel Communications Card
4.4.1 Card Locations
These cards may be located in any slot from 3 to 20 in the 4920 matrix, or any slot from 2 to 7 in the
4420 matrix.
4.4.2 Controls and Indicators
The following table details the function of the PDE4606B card LEDs:
Table 3: PDE4606B LEDs
Panel Status
Panel 1 connected and returning valid handshake data.
Through to:
Panel Status
Panel 16 connected and returning valid handshake data.
+5 Volts LED on if +5V present
Y
Y
G