Interfaces of the VMU
98-133966-G1
Chapter 4: Interfaces
4-9
4444
Interf
aces
4.2.2
Connecting an Evolution® Satellite
Router
Connect the VSAT modem to the ACU as shown in the figure below:
Cables to connect an iNFINITI® Series
on page 4-8. For VMU cable specifications see
4.2.3
Connecting a COMTECH 570 L or 625
Satellite Modem
Connect the VSAT modem to the ACU as shown in the figure below:
For VMU cable specifications see
Figure 4-7: Connecting an Evolution Satellite Router
Note
Cable 3 is only used when using OpenAMIP protocol.
Figure 4-8: Connecting a COMTECH 570 L or 625 Satellite Modem
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Note
If the satellite profile is configured to use
narrow band tracking
(recommended) a standard RS-232 cable can be used to connect the
ACU RS-232 port to the Remote control port of the VSAT modem. If the
satellite profile is configured to use modem
RSSI tracking
a proprietary
RS-232/Alarm cable must be used to connect the ACU RS-232 port to
the Remote control and Alarm port of the VSAT modem.
Cable
Description
Cable specifications
1
RX Out to Rx 950-1950 MHz
75 Ohm coax cables F-F (1m) and adapter F to N
50 Ohm, included
2
RS-232 to Remote control and Alarms 37-134337-A Cable COMTECH Serial and RSSI
3
Tx In to Tx 950-1950 MHz
75 Ohm coax cables F-F (1 m), included
Table 4-9: Cables to connect a COMTECH 570 L-Band Satellite Modem
SAILOR900TM.book Page 9 Monday, September 16, 2013 11:01 AM
Summary of Contents for Sailor 900 VSAT
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