Panasonic KX-TDA100 用户手册
2.6 Information about the Other Cards
Installation Manual
133
2.6.6
MSG4 Card (KX-TDA0191)
Function
4-channel message card. To be mounted on the OPB3 card.
Accessories and User-supplied Items
Accessories (included): Screws × 3
User-supplied (not included): none
Screw
MSG4 Card
OPB3 Card
inside