Panasonic KX-TDA15 Installation Manual page 60

2.3 Installation of the Trunk Cards
L1 L2
ON OFF
ON ON
L1: ON (Synchronous)
L2: ON (Link established)/OFF (Link not established)
Master Clock: ON (Master)/OFF (Slave)
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:
60 Installation Manual
Master
Clock
ON
1 s
ON
1 s
CAT 5: Under 1000 m
CAT 5: Under 150 m
CAT 5: Under 500 m
LED Pattern
TE 1
CAT 5: Under 50 m
TE 1
Point-to-Point
TE
Point-to-Multipoint
TE 8
Expansion
Point-to-Multipoint
TE 8