Using bri card – D-Link KX-TDA100 User Manual
Page 207
2.12 Power Failure Connections
Installation Manual
207
Using BRI Card
LINE 1 and LINE 2 of the BRI4 and BRI8 cards can be used for Power Failure Connections.
Note
When the power returns, the connection will switch back to normal configuration from the Power Failure
Connection, and a trunk conversation established during power failure will be dropped.
Accessory and User-supplied Items
Accessory (included): none
User-supplied (not included): RJ45 connectors
Switch Settings
RJ45 Connector LINE 1 Pin Assignments
Switch
Type
Usage and Status Definition
PFT Setting
DIP
Set all DIP switches to "ON" positions to use LINE 1 and LINE 2 as a
PFT port.
LINE 1: Power Failure LINE (NT1)
LINE 2: Power Failure EXTN (extension)
No.
Signal Name
Level [V]
Function
1-2
Reserved
–
–
3
TX1
(+)
Transmit data 1
4
RX2
(+)
Receive data 2
5
RX1
(-)
Receive data 1
6
TX2
(-)
Transmit data 2
7-8
Reserved
–
–
RJ45
(LINE 2)
RJ45
(LINE 1)
To NT1
OFF
ON
OFF
ON
To ISDN extension
Set all DIP switches
at "ON" positions.
8
1