Xerox Telecopier 7033 Service Manual page 207

J2 (continued)
Pin # Signal Name
35B OPINT0
36A OPINT3
36B OPINT2
37A WAIT
37B OPINT4
38A ODRHWR
38B ODRLWR
39A SSACK
39B SSREQ
40A NC0
40B SSDONE
41A NC1
41B DIR
42A ±12 VDC GND
42B ±12 VDC GND
43A - - -
43B - - -
44A - - -
44B - - -
45A –12 VDC
45B –12 VDC
46A ±12 VDC GND
46B ±12 VDC GND
47A 12 VDC
47B 12 VDC
48A - - -
48B - - -
49A - - -
49B - - -
50A 5 VDC GND
50B 5 VDC GND
7.3
MJ2 (USO only)
From: G3 PWB
To: Handset cord
Pin # Signal Name
1 A1
2 T1
3 T2
4 A
P/J3 (RX only)
From: Coupler PWB
To: G3 PWB
Pin # Signal Name
1 24 VDC GND
2 24 VDC
3 GND
4 5 VDC
5 MD1
6 MD0
7 MD3
8 MD2
9 MD5
10 MD4
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P/J3 (continued)
Pin # Signal Name
11 MD7
12 MD6
13 ECSL
14 MA0
15 R31L
16 MA1
17 GND
18 IORDL
19 GND
20 IOWRL
21 GND
22 5 VDC
23 RXDB
24 5 VDC
25 TXDB
26 AGND
27 AGND
28 MODRX
29 AGND
30 AGND
31 –12 VDC
32 TXA
33 12 VDC
34 AGND
MJ3 - Refer to P/J2 (RX only)
From: Coupler PWB
To: Telephone line filter PWB
Telecopier 7032 / 7033 Service Manual