Config:) Netspec; Config: Netspec) Network Spec; Config: Netspec) Operating Mode - Comtech EF Data CDM-760 Installation And Operation Manual

Front Panel Operation
CDM-760 Advanced High-Speed Trunking Modem
6.2.2.1

(CONFIG:) NetSpec

Network Spec:
Operating Mode: MEO-TxRx-Rem
Use the   arrows keys to select Network Spec or Operating Mode. Press ENTER.

6.2.2.1.1 (CONFIG: NetSpec) Network Spec

Network Spec (Network Specification) determines the top-level operating mode of the modem
(this impacts both the Tx and Rx paths).
Use the  arrow keys to select DVB-S1 (Open Network Standard Operation), DVB-S2-EB1 or
DVB-S2-EB2 (Comtech EF Data's Efficiency Boost Rev. 1 or Rev. 2 Closed Network Standard
Operation), or DVB-S2X (DVB-S2 Extended). Press ENTER.
Note that DVB-S2-EB1, DVB-S2-EB2, and DVB-S2X offer more ModCod and spectral rolloff (ROF)
selections. list the available modulation and code rate combinations. This table has some
roundoff of the last number in the Data Rate Range columns.
When you select a Network Specification other than what is active, the front panel displays this
message:

6.2.2.1.2 (CONFIG: NetSpec) Operating Mode

Operating Mode defines how the modem operates, when deployed with traditional geostationary
satellites or as used in a Tx/Rx or Rx-only capacity on MEO (Medium Earth Orbit) satellites.
Use the  arrow keys to select the desired mode. Press ENTER. Note the following:
Selection
Normal
MEO-TxRx-Hub*
MEO-TxRx-Rem*
MEO-RxOnly*
*You must have a G.703 PIIC plugged into PIIC Slot #1 for any MEO Operational
Modes to be accessible. If a G.703 PIIC is not installed in PIIC Slot #1, then this option
will not be visible.
DVB-S2-EB1
Configuring Network Specification
Please Wait
Use when the modem is operating...
...on a satellite that is in geosynchronous orbit.
...on a MEO orbit satellite used at the gateway/hub site for both Transmit and Receive.
...on a MEO orbit satellite used at the remote site for both Transmit and Receive.
...on a MEO orbit satellite used at the hub or remote site as an Rx-only demodulator.
6–7
Revision 4
MN-CDM760
()