Switch settings pin assignments – D-Link KX-TDA100 User Manual
Page 88
2.4 Installation of the Trunk Cards
88
Installation Manual
Switch Settings
Pin Assignments
RJ45 Connector for Trunk Use
RJ45 Connector for Extension use
BNC (coaxial) Connector (TX)
Switch
Type
Usage and Status Definition
Termination
Slide
Select 120
Ω (default) or 75 Ω for connector type to be used.
A/B
Slide
When using an RJ45 connector, select A (default) for trunk or B for
extension use.
When using BNC connectors, keep the A position.
Frame Ground
Short
Short pin
J308 is for BNC (TX) outer conductor, and J309 is for BNC (RX) outer
conductor.
Connection of 1 and 2: Open (default)
Connection of 2 and 3: Short
No.
Signal Name
Level [V]
Function
1
RX+
(+)
Receive data (+)
2
RX-
(-)
Receive data (-)
3
Reserved
–
–
4
TX-
(-)
Transmit data (-)
5
TX+
(+)
Transmit data (+)
6-8
Reserved
–
–
No.
Signal Name
Level [V]
Function
1
TX-
(-)
Transmit data (-)
2
TX+
(+)
Transmit data (+)
3
Reserved
–
–
4
RX+
(+)
Receive data (+)
5
RX-
(-)
Receive data (-)
6-8
Reserved
–
–
No.
Signal Name
Level [V]
Function
1
TX+
(+)
Transmit data (+)
2
TX-
(-)
Transmit data (-)
8
1
8
1
1
2