Panasonic KX-NS500 Installation Manual page 146

4.5.3 PRI23 Card (KX-NS5290)
LED Indications
Indication
STATUS
*1 This can be set to indicate "Normal (a port is in use)" through system settings. For details, consult your dealer.
Maximum Cabling Distance of Extension Connection
The maximum length of the extension cable that connects the PRI23 cards is shown below:
146 Installation Manual
Colour Description
Green Off : All Ports OUS or Fault
On: INS (In Service)
Flashing (60 times per minute)
CAT 5: Under 200 m
: Master Clock (On)
*1