iXBlue ROVINS, Руководство пользователя

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ROVINS – User Manual
MU–ROVINS–AN–013 Ed. A – March 2012 27
Pair shielding link
Shielded twisted pair
24 AWG or larger
Zc~100
Ω
Or coaxial cable.
PPS generator
PPS(+)
GND
External cable shielding link
All pins marked GND are common electrical ground and can be used indifferently.
Mechanical GND connection is recommended through connector backshell.
ROVINS PULSE INPUT
Pin 20 IN TTL
Pin 21 GND
Figure 16 - Description of the Pulse Input wiring with a Shielded Twisted Pair (Port A example)
Pair shielding link
Shielded twisted pair
24 AWG or larger
PC Ethernet
Ethernet TX(+)
External cable shielding link
All pins marked GND are common electrical ground and can be used indifferently.
ROVINS Ethernet port
Pin 18 Ethernet RX(+)
Ethernet TX(-)
Pin 19 Ethernet RX(-)
Pin 14 Ethernet shield
Pin 15 Ethernet TX(+)
Pin 16 Ethernet TX(-)
Ethernet RX(+)
Ethernet RX(-)
Figure 17 - Description of the Ethernet wiring with Shielded Twisted Pairs
Example of cabling with a multi twisted pair MacArtney ref. 4622
Blue and Black for power supply 24VDC
Red Tx Repeater, White Rx Repeater,
Shield Electrical common GND
Black Tx(+)232/422
White GND or Tx(-)422
Shield Electrical common GND
Yellow Rx(+)232 or RX(-)422
White GND or Rx(+)422
Shield Electrical common GND
Orange Input PPS (+)
White GND
Shield Electrical common GND
Shield to Mechanical GND
Figure 18 - Example of cabling with a Shielded Multi-Twisted Pairs