Mocomtech CDM-570 - Manual (Page 130)

CDM-570/570L Satellite Modem with Optional IP Module Revision 4
Front Panel Operation MN/CDM570L.IOM
6–6
ODU
(CDM-570
only)
(Outdoor Unit). This permits the user to monitor and control a
Comtech EF Data RF Transceiver (CSAT or KST-2000A/B), if
connected.
6.4 CONFIG
Move the cursor to the desired choice using the ◄ ► arrow keys, then press ENTER.
Remote
(Remote Control) This menu sub-branch permits the user to define
whether the unit is being controlled locally, or remotely.
Tx
(Transmit) This menu sub-branch permits the user to define, on a
parameter-by-parameter basis, the transmit configuration of the unit. These
menu sub-branches would be used if the user wished to change, for
example, just the Transmit frequency.
Rx
(Receive) This menu sub-branch permits the user to define, on a
parameter-by-parameter basis, the receive configuration of the unit. These
menu sub-branches would be used if the user wished to change, for
example, just the receive data rate.
Frame
This menu sub-branch permits the user to define operation in a transparent
mode (no framing) or in a framed mode. In the framed mode, an overhead
of 5% or 1.6% is added to the rate transmitted over the satellite so that
M&C and AUPC information may be passed to the distant end.
Intfc
(Interface) This menu sub-branch permits the user to define which
electrical interface type is active at the data connectors (either the EIA-530
port, or the G.703 ports).
Ref
(Reference) This menu sub-branch permits the user to define whether the
unit should use its own internal 10MHz reference, or phase lock to an
externally applied reference, and if so, at what frequency.
Mask
This menu sub-branch permits the user to mask certain traffic alarms,
which may cause problems to the user. As an example, certain
multiplexers use ‘all ones’ as an idle pattern. However, by convention, the
‘all ones’ condition is taken to be the Alarm Indication Signal (AIS). If
desired, this alarm may be masked.
ODU
(CDM-570L
only)
(Outdoor Unit) This menu sub-branch permits the user to configure
externally connected Low-noise Block Down Converter (LNB) and/or
Block Up Converter (BUC).
Each of these options is now described in detail.
CONFIG: Remote All Tx Rx
Frame Intfc Ref Mask ODU