Panasonic KX-NCP500 Installation Manual page 70

3.5.2 T1 Card (KX-NCP1187)
Indication
SYNC
Maximum Cabling Distance of Extension Connection
The maximum length of the extension cable that connects the T1 cards is shown below:
70 Installation Manual
Colour Description
Green Synchronisation status indication
•
OFF: Not synchronised
•
ON: Synchronised
•
Flashing (60 times per minute): Synchronised (Clock Master)
Diameter
0.5 mm:
Maximum Distance
200 m