Installation manual

PS10270JENAA01 20/10/2004 219
Maximum number of devices on a point-to-point bus: - 1 connector
- 1 terminal
Maximum number of devices on a Y bus: - 8 connectors (n1 + n2)
- 4 terminals (where L1 and L2
≤ 130 m).
S0 bus terminator
Power to terminals
ISDN terminals are powered by the S0 bus. Connect the 40 V power supply to the J2 connector
on the LS1 card.
S0 bus terminator
A 100 Ohm terminator must be fitted to each end of an S0 bus.
T0
PBX
S0
L2 ≤ 90 m
Connector 2
Connector 1
T0
TE1
TE4
L1 ≤ 90 m
+40V
0V
2
1
1
2