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2.3 Installation of the Trunk Cards
58 Installation Manual
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:
ON OFF ON
ON ON ON
L1 L2 Master
Clock
Flash Pattern
1 s
1 s
Under 1000 m
TE
Point-to-Point
Expansion
Point-to-Multipoint
Point-to-Multipoint
TE 1 TE 8
TE 8TE 1
Under 150 m
Under 500 m Under 50 m