D-Link KX-TDA100 - Manual (Page 93)

2.4 Installation of the Trunk Cards
Installation Manual 93
Maximum Cabling Distance of S0 Bus Connection
The maximum distance of the extension cable that connects the Hybrid IP-PBX and the ISDN terminal
equipment (TE) is shown below:
CAT 5: Under 1000 m
TE
Point-to-Point
Expansion
Point-to-Multipoint
Point-to-Multipoint
TE 1 TE 8
TE 8 TE 1
CAT 5: Under 150 m
CAT 5: Under 500 m CAT 5: Under 50 m