Comtech EF Data CDM-750, Инструкция по установке и эксплуатации

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CDM-750 Advanced High-Speed Trunking Modem Revision 2
Front Panel Operation MN-CDM750
5–60
5.2.7.7.2 (UTILITY) Firmware Images: Select
Current Active Image is #1
Next Reboot, will use Image: #1
The top line shows the current active image. On the bottom line , use the
ST
arrow keys to select
the other image (#2) if needed, and then press ENTER . You are then prompted to reboot the unit.
5.2.8 SELECT: ODU (Outdoor Unit)
The BUC:PwRef and FSK ‐ control selections are reserved for future use and
are non ‐ operational at this time.
ODU: BUC:PwRef
LNB:PwRef FSK-control (
34
)
Use the
W X
arrow keys to select LNB: PwRef , and then press ENTER .
5.2.8.1 ODU: LNB:PwRef
LNB control/monitor:
PSU-and-10MHz PSUmonitor (
34
)
Use the
W X
arrow keys to select PSU ‐ and ‐ 10MHz or PSUmonitor , and then press ENTER .
5.2.8.1.1 (ODU) LNB:PwRef: PSU-and-10MHz
LNB: Voltage=Off 10MHz=Off (Off,On)
Alarm limits, from 000 to 500 mA (
34v
)
Use the
W X
arrow keys to select the Voltage , 10MHz , or the Alarm low and high limits (range)
settings, and then use the
ST
arrow keys to configure each setting. Press ENTER when done. Note
the following:
Selection Description
Voltage
Use the
ST
arrow keys
to select Off , 13V DC , 18V DC , or 25V DC . Any
setting other than Off configures the rear panel J9 | L ‐ BAND RX IN Type
‘N’ connector.
10MHz
Use the
ST
arrow keys
to select Off or On . Selecting On enables
a
high stability 10MHz reference clock with ±0.06 ppm
on the rear
panel J9 | L ‐ BAND RX IN Type ‘N’ connector.