Panasonic KX-TD816 Installation Manual page 90

2.4.4 Installing Expansion Unit
(KX-TD170 / KX-TD180)
If KX-TD170 is to be installed; (for KX-TD1232)
Insert the connector into the jack.
Notes
† For details, refer to Section 2.5 "Auxiliary Connection for Power Failure Transfer."
2-58 Installation
• For Cable Pin Numbers to Be Connected, see page 2-18.
• For fixing the connector, see page 2-48.
Jack for Power
Failure Transfer †
Connector type Connector type
50-pin (Amphenol 57JE
series or the equivalent)
25 1
50 26
To extensions
(Jacks 17-24 or 25-32)