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2.3 Installation of the CO Line Cards
Installation Manual 53
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").
Accessories and User-supplied Items
Accessories (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
Signal Name Function
RRing
TTip
– Reserved
To CO line
RJ11
PFT Port 1
PFT Port 2
4 1
T R