COMSPHERE 6800 Series Network Management System2-144 January 1997 6800-A2-GB31-20Download Device Firmware (dndf)(Disruptive)Use the dndf command to download device firmware from the 6800 Series NMS intoCOMSPHERE 3400/4400 Series modems, COMSPHERE 3800 Series modems, or COMSPHERE3900 Series modems. This command allows you to upgrade your modems with new modemfeatures or modulation schemes through the 6800 Series NMS.Before executing this command, you must transfer the firmware files from the floppy diskprovided by Paradyne to the 6800 Series NMS. To do this, select option 8, Download modemfirmware file option, accessed from the NMS administration menu.For 3800 Series modems, there are two types of firmware upgrade: local and remote.• Local download: To upgrade a local 3800 Series modem, use a firmware upgrade floppydisk in the 6800 Series NMS floppy drive. The 6800 Series NMS can download to a singlelocal modem; or it can download to multiple local modems on a control channel in parallelusing a broadcast mechanism of the 3800 Series modems.• Remote download: To upgrade a remote 3800 Series modem, use a local 3800 Series modemto ‘‘clone” the remote 3800 Series modem with a replica of its firmware. Only one modemat a time can be selected for remote download (i.e., cloning).For 3900 Series modems, there are two types of firmware upgrade: local and remote.• Local download: To upgrade a local 3900 Series modem, use a firmware upgrade floppydisk in the 6800 Series NMS floppy drive. The 6800 Series NMS can download to a singlelocal modem; or it can download to multiple local modems on a control channel in parallelusing a broadcast mechanism of the 3900 Series modems.• Remote download: To upgrade a remote 3900 Series modem, use a local 3900 Series modemas the download master to ‘‘clone” the remote 3900 Series modem(s) with a replica of itsfirmware. This can be done by cloning to a single remote modem with point-to-pointconfiguration.For most commands, NMS enables you to specify the destination for the command’s results andschedule its execution. If the last page of the input form cannot accommodate the Destination forresults and Schedule execution fields, an additional page is provided. For a complete descriptionof these fields, refer to Chapter 1, Introduction.Access Level: Data Technician, Manager, System AdministratorAbbreviation: dndfRestrictions: This command cannot be sent to both 3800/3900 Series modems and3400/4400 Series modems in a single command execution. Multiple3800/3900 Series modem selections cannot span more than one controlchannel.Downloading device firmware from the 6800 Series NMS into theCOMSPHERE modems may take up to 4 hours for a local download.Routine: YesSchedule: YesRelated Commands: None
