Toshiba VP 300 Installation Instructions Manual page 74

3-18 Installation and Maintenance Manual
I Direct Access Card (DAC) 50-Pin Connector Pin-outs
The following is the pin assignment for the Direct Access Card (DAC) as it appears on the rear 50-pin
telco connector. If a DAC card is installed in slot A1, it uses 50-pin telco connector P1; if installed in
slot A2, it uses connector P2, etc.
50-Pin Number
Toshiba VP Systems Release 7.1 July, 1994
Signal Function
1 RING1
2
3
4 RING2
5
6 -48V1
7 RING3
8
9
10 RING4
11
12 -48V2
13
14
15
16
17
18 -48V3
19
20
21
22
23
24 -48V4
25
50-Pin Number Signal Function
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
TIP1
TIP2
GND1
TIP3
TIP4
GND2
GND3
GND4