Interfaces of the SAILOR 900 VSAT High Power ACU
4-4
Chapter 4: Interfaces
98-150471-A02
Recommended NMEA 0183 cable:
Two-wire constructed with one enclosed shield
Network signal pair:
• Size: No. 24 AWG (0.24 sq. mm) or heavier
• Characteristic impedance: 95 - 140 Ohm
• Propagation delay: 5 nanoseconds per meter, maximum
• 15 Twists (minimum) per meter
4.1.5
RS-232 and RS-422 connectors
Use these connectors to connect the ACU to the VSAT modems with serial interfaces. See
on page 4-5 for further details about the RS-232 or RS-422
connector.
Outline (on the ACU)
Pin
Pin function
1
Not connected
2
RXD
3
TXD
4
DTR
5
Ground
6
DSR
7
RTS
8
CTS
9
Receive Signal Strength Indicator
Table 4-4: RS-232 connector, male, outline and pin assignment
Outline (on the ACU)
Pin
Pin function
1
Ground
2
Line A RXD (+)
3
Line B TXD (+)
4
Ground
5
Ground
6
Not connected
7
Line A RXD (-)
8
Line B TXD (-)
9
Not connected
Table 4-5: RS-422 connector, male, outline and pin assignment
1
5
6
9
1
5
6
9
SAILOR900HP.book Page 4 Monday, July 18, 2016 12:44 PM
Содержание SAILOR 900
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