TECDIS Installation Manual Page 30
Chapter 2: Wiring and signal distribution
On the following pages wiring and signal distribution diagrams are shown. Signal distribution
diagram is an indication of possible means of signal distribution. During installation actual need
for signal distribution must be verified by installer, depending on signals available and actual
hardware installation on the specific vessel.
RS422 Box with 8xDB25 Female & Optical Isolation
RS-422 — DB25 Female — for Opt8F
Pin No. Signal
2 RxD+(B)
3 TxD+(B)
7 GND
14 RxD-(A)
16 TxD-(A)
OPT8F needs external power supply. Use a 220 VAC power adaptor to supply 5 VDC to
OPT8F.
Internal wiring of TEA-
01.
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