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From Expansion unit TS-918 or
Bridge unit TS-919B1/919B4
To Bridge unit
TS-919B1/919B4
Bridge unit
TS-919B4
Note
The Bridge unit may have any
idle terminal among the conference
unit connection terminals 1 – 4.
Conference unit
TS-911/912/811/812
1
4
LAN cable (CAT-5)
BRIDGE UNIT
EXPANSION
TS-919B4
BRIDGE
1
2
3
4
7.2.2. Bridge unit TS-919B4 connection
Note
Properly connect the equipment taking care that the Bridge unit’s each terminal is designed to connect the
designated equipment.
Misconnection may cause the Expansion unit malfunction.
7.2.3. Bridge unit connectable to one of the Expansion unit’s terminals
When connecting the Bridge unit to the Expansion unit, the number of Bridge units connectable per Bridge unit
connection terminal of the Expansion unit differs as shown below depending on the combination of two types
of Bridge units.
Combination of Bridge units
Number of connectable units
TS-919B4 only
One or two TS-919B4s
TS-919B4 and TS-919B1 mixed
One TS-919B4 and up to four TS-919B1s
TS-919B1 only
Up to seven TS-919B1s
Expansion unit TS-918
Bridge unit TS-919B4: Up to 2 units
Bridge unit TS-919B4
Tip
If two types of Bridge units are mixed,
they can be freely arranged in random
order.
Bridge unit TS-919B1: Up to 4 units
Coaxial cable
LAN cable (CAT-5)
BRIDGE UNIT
EXPANSION
TS-919B4
BRIDGE
1
2
3
4
BRIDGE UNIT
EXPANSION
TS-919B4
BRIDGE
1
2
3
4
BRIDGE UNIT
EXPANSION
TS-919B4
BRIDGE
1
2
3
4
1
TS-919B1
EXPANSION
BRIDGE
BRIDGE UNIT
1
TS-919B1
EXPANSION
BRIDGE
BRIDGE UNIT
Bridge unit TS-919B1: Up to 7 units
1
TS-919B1
EXPANSION
BRIDGE
BRIDGE UNIT
1
TS-919B1
EXPANSION
BRIDGE
BRIDGE UNIT
Note
When the units are connected beyond the maximum number of units, this may cause the Conference units to
malfunction.
[Connection example]