3 rs-422 connection, 1 pin-out rs-422 (rj45) – Nevion FR202 User Manual

Page 12

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FR-2RU-20-2

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4.3 RS-422 connection

At the rear end of the frame is an RS-422 bus. When used in combination with the Multicon
Rack System Controller, up to 8 frames can be controlled. On the rear end of the frame is a
rotary switch by witch each frame can be assigned its own address (see figure 3).
The RS-422 interface is shown in figure 8.

4.3.1 Pin-out RS-422 (RJ45)

Pin #1

Rx A (+)

Pin #2

Rx B (-)

Pin #3

Tx A (+)

Pin #4

Reserved

Pin #5

Reserved

Pin #6

Tx B (-)

Pin #7

Not Connected

Pin #8

Not Connected

Figure 8: RS-422 pin-out.

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