Panasonic KX-NS500 - EXP-S in an Expansion Unit (Installed by Default)

4.3.7 EXP-S in an Expansion Unit (installed by default)
Function
• EXP-S is pre-installed in the SPR card of KX-NS520 to use the unit as an Expansion Unit.
• By using this card, you can expand the Usage of Legacy Trunks and extensions.
To EXP-M Card
Notice
• When connecting the RJ45 connector, attach the ferrite core (included with the
KX-NS520). Refer to
"4.2.8 Attaching a Ferrite Core".
Pin Assignments
For EXP-S port
No. Signal Name Function
81
1 UHW+ Receive data+
2 UHW- Receive data-
3 REFCLK+ Reference CLK+
4 FHCLK+ Frame and System CLK+
5 FHCLK- Frame and System CLK-
6 REFCLK- Reference CLK-
7 DHW+ Transmit data+
8 DHW- Transmit data-
Installation Manual 133
4.3.7 EXP-S in an Expansion Unit (installed by default)