pro bel Freeway RS422, Technical Manual

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F
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R
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S
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4
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2
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P
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B
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The rear panel has four 50 way ‘D’ type fixed sockets, providing connections for 32
ports, each with an A and B circuit pair. A and B configure themselves to be receive
(RX) or transmit (TX) circuits according to user selection (see Section 2.2). The pinout
details for ports 1 to 32 are as follows:
Ports 9-16 Ports 1-8
Pin Function Pin Function Pin Function Pin Function
1 Chassis 50 Chassis 1 Chassis 50 Chassis
34 A9 Gnd 42 A13 Gnd 34 A1 Gnd 42 A5 Gnd
18 A9 + 26 A13 + 18 A1 + 26 A5 +
2 A9- 10 A13- 2 A1- 10 A5-
3 B9 Gnd 11 B13 Gnd 3 B1 Gnd 11 B5 Gnd
35 B9+ 43 B13+ 35 B1+ 43 B5+
19 B9- 27 B13- 19 B1- 27 B5-
36 A10 Gnd 44 A14 Gnd 36 A2 Gnd 44 A6 Gnd
20 A10+ 28 A14+ 20 A2+ 28 A6+
4 A10- 12 A14- 4 A2- 12 A6-
5 B10 Gnd 13 B14 Gnd 5 B2 Gnd 13 B6 Gnd
37 B10+ 45 B14+ 37 B2+ 45 B6+
21 B10- 29 B14- 21 B2- 29 B6-
38 A11 Gnd 46 A15 Gnd 38 A3 Gnd 46 A7 Gnd
22 A11+ 30 A15+ 22 A3+ 30 A7+
6 A11- 14 A15- 6 A3- 14 A7-
7 B11 Gnd 15 B15 Gnd 7 B3 Gnd 15 B7 Gnd
39 B11+ 47 B15+ 39 B3+ 47 B7+
23 B11- 31 B15- 23 B3- 31 B7-
40 A12 Gnd 48 A16 Gnd 40 A4 Gnd 48 A8 Gnd
24 A12+ 32 A16+ 24 A4+ 32 A8+
8 A12- 16 A16- 8 A4- 16 A8-
9 B12 Gnd 17 B16 Gnd 9 B4 Gnd 17 B8 Gnd
41 B12+ 49 B16+ 41 B4+ 49 B8+
25 B12- 33 B16- 25 B4- 33 B8-
50
1