2.3
Installation of the CO Line Cards
2.3.1
LCOT4 Card
Function
4-port analog CO line card with 2 power failure transfer (PFT) ports. One CID4 card can be
mounted on the LCOT4 card (refer to "2.3.2 CID4 Card").
PFT Port 2
PFT Port 1
RJ11
To CO line
Accessory and User-supplied Items
Accessory (included): Extension Bolt × 1, Strap × 1
User-supplied (not included): RJ11 connector
Notes
•
To confirm the CO line connection, refer to "Confirming the CO Line Connection" in
"2.11.1 Starting the PBX".
•
For details about power failure transfer, refer to "2.10.1 Power Failure Connections".
Pin Assignments
RJ11 Connector
4
Signal Name
R
T R
T
1
–
2.3 Installation of the CO Line Cards
Function
Ring
Tip
Reserved
Installation Manual
53