Panasonic KX-TDA600 Installation Manual page 94

2.2 Installation of the Hybrid IP-PBX
Connecting Shelves
For the 4-shelf system, you need to install an optional BUS-M card and BUS-ME cards in the Basic Shelf.
To connect the shelves, plug the Bus Cables (supplied with the BUS-M card or BUS-ME card) into the slot
of the BUS-M card. Then, plug the other end of each Bus Cable into the BUS-S card built in to each
Expansion Shelf.
For details about the cards, refer to "2.4.1 BUS-M Card (KX-TDA6110)", "2.4.2 BUS-ME Card (KX-
TDA6111)", and "2.5.1 BUS-S Card".
Note
When installing or removing the BUS-M card, make sure that the DC power supply is turned off.
1.
Mount 2 BUS-ME cards on the BUS-M card as shown below.
BUS-M Card
94 Installation Manual
BUS-ME Card
(for Expansion Shelf 3)
inside
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BUS-ME Card
(for Expansion Shelf 2)