NEC NEAX2000 IVS, Руководство пользователя

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CHAPTER 3 ND-46550 (E)
Page 56
Revision 2.0
Figure 3-31 MDF Cross Connection for PFT (PN-AUCA) (Continued)
Note 1: The No. 2 and No. 3 circuits in the PN-4COT card cannot be used with the PFT function.
Note 2: When using Ground Start trunks with the PFT function, the single line stations must have a ground send-
ing button and a ground lead must be run to the station.
(2) When using PZ-8PFTA card at a remote site
• Figure 3-32 shows an outline of a PFT (PZ-8PFTA) connection.
Figure 3-32 PFT (PZ-8PFTA) Connection Outline
Note: Using the PN-AUCA card (long line card) instead of the PN-4LC card is not recommended due to the vari-
ations from Central Office to the PBX; line quality cannot be assured.
LTC0 (J) (P)
LEN0004
LEN0005
LEN0000
LEN0001
26
27
28
29
30
31
32
33
C.O.T0
C.O.T1
Sta.T0
Sta.T1
1
2
3
4
5
6
7
8
C.O.R0
C.O.R1
Sta.R0
Sta.R1
1
2
3
4
5
6
7
8
C.O.R0
C.O.R1
Sta.R0
Sta.R1
1
2
3
4
5
6
7
8
C.O.R0
C.O.R1
Sta.R0
Sta.R1
26
27
28
29
30
31
32
33
C.O.T0
C.O.T1
Sta.T0
Sta.T1
26
27
28
29
30
31
32
33
C.O.T0
C.O.T1
Sta.T0
Sta.T1
PZ-8PFTA
PBX
MDF MDF MDF MDF
TO C.O.
LINE
PN-4LC PN-4COT
TEL
Note