Mother Board In An Expansion Unit - Panasonic KX-NS500 Installation Manual

4.3.1.2 Mother Board in an Expansion Unit

Function
The mother board of an Expansion Unit is the pre-installed processing board with the EXP-S card, PFT card,
MCSLC16 card.
PFT4 + MCSLC16 Card
LED Indication
Indication
STATUS Off
Green On
Green flashing (60 times per minute)
Green flashing (120 times per minute)
Red On
Red flashing (60 times per minute)
EXP-S Card
Colour
LED
To EXP-M
Description
Power Off
On Line
Starting Up
EXP-S card Programme error
On Line with Alarm
OUS (Out of service)
Installation Manual
4.3.1 Mother Board
EXP-S Port
123