Panasonic Digital Business System - Installation Manual
March 1997
Issue 5
36
Wiring
1
Install the E&M card into one of the allowed slots. Refer to Table 8 for details of which slots are available
on each system
2
Insert the wires from the private circuit into the DDK in the following order
B wire into hole 1
A wire into hole 2
M wire into hole 3
E wire into hole 4
3
Press the cover of the DDK connector down to the base until it locks firmly into place.
4
Plug the completed DDK connector into the exchange line port (designated COL) on the MDF,
corresponding to the E&M card location.
5
The other end of the wires should be connected directly or via an intermediate distribution frame (IDF) to
the private circuit interface equipment.
Figure 31 - DDK E&M Wiring
6
A Signal earth is required between the CCU and the connected signal equipment (DC5/AC15 converter,
multiplexer etc.) to allow signalling. Connect the SG2 terminal on the MDF to the appropriate point on the
converter equipment. If connecting directly to another CCU the SG2 terminals must be connected
together
Figure 32 - E&M Connection To Network Equipment
