AT&T Merlin 820 Service And Maintenance Manual page 85

Trouble on an Accessory
Unplug the PFTT from the Type III Cartridge (see Figure 40).
Step 5.
STANDARD MODULAR
(OR POWER FAILURE
TRANSFER)
TELEPHONE CORD
Figure 40—Unplugging a PFTT from a Type III Cartridge
At the network interface, unplug a modular line cord, then plug the cord
Step 6.
of the PFTT into the network interface (see Figure 41).
Figure 41—Plugging a PFTT into the Network Interface
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POWER FAILURE
TRANSFER
TELEPHONE CORD
NETWORK
INTERFACE
STANDARD MODULAR
TELEPHONE
(POWER FAILURE
TRANSFER
TELEPHONE)
NETWORK
INTERFACE
(REMOVE)
POWER FAILURE
TRANSFER
TELEPHONE