ND-71548 (E) CHAPTER 2
Page 33
Issue 2
INSTALLATION DESIGN
10.2 Cables Between The PBX And MDF
Regarding lines, trunks, and NCU (PFT), 25P shielded the PBX and the MDF are connected by using cables
with a CHAMP (Amphenol) connector at one end.
Table 2-11 shows the procedure for calculating the required number of cables. Figure 2-17 also shows an outline
of cable connections from the Module Group to the outside.
Table 2-11 Calculation of Number of Cables
CABLE NAME CALCULATION SUB TOTAL
LT Cable Number of PIMs × 12
NCU Cable Number of PFT Circuit Cards × 2
IPX EXALM CA-A One cable
ODT Cable Number of TLT circuit cards × 1
TOTAL