Switch Settings
Switch
Termination
A/B
Pin Assignments
RJ45 Connector for Trunk Use
No.
1
8
2
3
1
4
5
6-8
RJ45 Connector for Extension Use
No.
1
8
2
3
1
4
5
6-8
BNC (coaxial) Connector (TX)
No.
1
1
2
2
Type
Usage and Status Definition
Select 120 Ω (default) or 75 Ω for connector type to be used.
Slide
Slide
When using an RJ45 connector, select A (default) for trunk or B for
extension use.
When using BNC connectors, keep the A position.
Signal Name
RX+
RX-
Reserved
TX-
TX+
Reserved
Signal Name
TX-
TX+
Reserved
RX+
RX-
Reserved
Signal Name
TX+
TX-
Level [V]
Function
(+)
Receive data (+)
(-)
Receive data (-)
–
–
(-)
Transmit data (-)
(+)
Transmit data (+)
–
–
Level [V]
Function
(-)
Transmit data (-)
(+)
Transmit data (+)
–
–
(+)
Receive data (+)
(-)
Receive data (-)
–
–
Level [V]
Function
(+)
Transmit data (+)
(-)
Transmit data (-)
2.4 Installation of the Trunk Cards
Installation Manual
95