Panasonic KX-TDA100 Installation Manual page 210

2.12 Power Failure Connections
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.
To ISDN extension
Accessories and User-supplied Items
Accessories (included): none
User-supplied (not included): RJ45 connectors
Switch Settings
Switch
PFT Setting
RJ45 Connector LINE 1 Pin Assignments
8
1
210 Installation Manual
RJ45
(LINE 2)
To NT1
RJ45
(LINE 1)
Type
DIP
No. Signal Name
1-2 Reserved
3 TX1
4 RX2
5 RX1
6 TX2
7-8 Reserved
Usage and Status Definition
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)
Level [V]
–
(+)
(+)
(-)
(-)
–
Set all DIP switches
at "ON" positions.
O F F O F F
O N O N
Function
–
Transmit data 1
Receive data 2
Receive data 1
Transmit data 2
–