The enhanced SD host controller (eSDHC) provides an interface between host system and SD/MMC cards. The secure digital (SD) card is specifically designed to meet the security, capacity, performance, and environmental requirements inherent in emerging audio and video consumer electronic devices.
SD Card Features describes supported EdgeMarc 4808 and EdgeMarc 4806 SD card features.
For information about configuring SD card settings, see the EdgeMarc VOS User Guide in the Ribbon Communications Knowledgebase.

SD Card Features

FeatureDescription
File formatMS-DOS File Allocation Table FAT32
SD card classesClass 2, 4, 6, 10, and UHS-1. Recommended default is Class 10 or faster.
CapacityMaximum storage capacity: 32 GB per SD card, 4 GB per file.
CLIFile Commands
  • delete = rm
  • copy = cp
  • rename = mv
  • edit = vi or cat

Directory Commands
  • create = mkdir
  • delete = rmdir
  • rename = mv

SD Card Commands
  • mount = sdcard mount
  • unmount = sdcard umount
  • format quick = sdcard format
  • name/rename SD card = sdcard volume <volume name>
  • status = sdcard check

EdgeMarc files

You can copy the following types of files to and from the SD card using the CLI: conf1, conf2, syslog, pcap, mand logs, sys_report output.
Boot deviceWhen running the VOS recovery image, the VOS image that is stored on the SD card is automatically flashed on the system.
TFTP serverThe TFTP file server is used for endpoint configuration file storage.
FTP serverThe FTP file server is used for endpoint configuration file storage.
Remote access

SSH into the EdgeMarc 4808 via SCP for remote access to the SD card and files within the SD card.

System alerts
for SD card
insert/removal		A system alert is issued when an SD card is inserted or removed. The alert contains the timestamp of the event.

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