Hybrid IP-PBX Telephone Installation Manual

2.4 Installation of the Trunk Cards
100 Installation Manual
Maximum Cabling Distance of Extension Connection
The maximum distance of the extension cable that connects the PRI23 cards is shown below:
SYNC Green Synchronisation status indication
• OFF: Not synchronised
• ON: Synchronised
• Flashing (60 times per minute): Synchronised (Clock Master)
D-LINK Green Data link status indication
• OFF: Not established
• ON: Established
Indication Colour Description
Diameter Maximum Distance
0.5 mm: Under 200 m