Panasonic KX-T336 System Reference Manual page 90

I To connect Amphenol 57JE type (screw-attach-type 50-pin
connector) to the Option Card, follow the procedure below.
1.
The
50-pin
connector (jack) on the Option
Card has two hook-pins.
Remove the upper hook-pin, taking out the
screw.
Screw
Hook-pins
x50-pin connector
2. To attach the Amphenol 57JE type (plug) to
the connector, drive the accessory Screw at
the upper part, and fasten the accessory Wire
Tie around the lower hook-pin and the
Amphenol 57JE type, as shown.
When
connecting a connector of the type shown
below, unscrew the lower hook-pin, too. Then drive
both accessory Screws.
.I
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