NEC Electra Elite IPK II System Hardware Manual page 95

Electra Elite IPK II
___________________________________________________________________________________
___________________________________________________________________________________
System Hardware Manual
Table 5-2 PFT Connections
MDF Pin
Number
42 PFT1 – CO (Tip)
17 PFT1 – CO (Ring)
43 PFT1 – SLI (Tip)
18 PFT1 – SLI (Ring)
44 PFT1 – SLT (Tip)
19 PFT1 – SLT (Ring)
45 PFT2 – CO (Tip)
20 PFT2 – CO (Ring)
46 PFT2 – SLI (Tip)
21 PFT2 – SLI (Ring)
47 PFT2 – SLT (Tip)
22 PFT2 – SLT (Ring)
48 PFT3 – CO (Tip)
23 PFT3 – CO (Ring)
49 PFT3 – SLI (Tip)
24 PFT3 – SLI (Ring)
50 PFT3 – SLT (Tip)
25 PFT3 – SLT (Ring)
PFT circuits are only connected to AMP3.

AMP1 is connected to S1, S2, and S3.

AMP2 is connected to S4, S5, and S6.

AMP3 is connected to S7 and S8.

Document Revision 3
PFT Connection
Power Failure Transfer
Relay 1
(Amp 3 Connections Only)
5 - 7