Yamaha NHB32-C User Manual download pdf (Page 43)

Connector Wiring Details 39

ACU16-C & NHB32-C Owner’s Manual

ENGLISH

ACU16-C RS-485 Port (RJ-45)

Cable Wiring Details

Although only pins 4, 5, 7, and 8 are used, all pins should be terminated properly, so connect

all eight pins even though only four are actually used.

ACU16-C/NHB32-C CobraNet Ports (100Base-TX Ethernet, RJ-45)

Straight/Crossed Cable Wiring Details

The pin wiring for crossed cables is shown in parenthesis. Although pins 4, 5, 7, and 8 are

unused, they must be terminated properly, so connect all eight pins even though only four

are actually used.

Pin Connection

Unused

RxD/TxD+

RxD/TxD–

Unused

GND

Pins

1 —— 1

2 —— 2

3 —— 3

4 —— 4

5 —— 5

6 —— 6

7 —— 7

8 —— 8

Pin Connection

TxD+

TxD–

RxD+

Unused

RxD–

Unused

Pins

1 —— 1 (3)

2 —— 2 (6)

3 —— 3 (1)

4 —— 4

5 —— 5

6 —— 6 (2)

7 —— 7

8 —— 8

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Yamaha NHB32-C User Manual Page 43

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