When you select E1 use
Indication
STATUS
Maximum Cabling Distance of Extension Connection
The maximum length of the extension cable that connects the PRI port is shown below:
Colour
Description
Green
Off : All Ports OUS or Fault
On: At lease one port is In Service
Flashing (60 times per minute): Normal (a port is in use)
CAT 5: Under 200 m
4.5.2 PRI30/E1 Card (KX-NS5290CE)
Installation Manual
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