Cisco Cisco MGX 8880 Media Gateway Release Notes

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Release Notes for Cisco MGX 8880 VXSM Software Release 5.4.21
OL-19207-01
  Release 5.3.00 Features and Enhancements
Non-operating and Storage Environment Specifications
The following specifications define the non-operating and storage environments:
Temperature, ambient
Minimum: -4 degrees Fahrenheit (-20 degrees Celsius)
 Maximum: 149 degrees Fahrenheit (65 degrees Celsius)
 Humidity, ambient (non-condensing)
Minimum: 5%
 Maximum: 95%
 Altitude
Minimum: Sea level 
 Maximum: 10,000 feet (3,050 meters)
Release 5.3.00 Features and Enhancements
This release includes the following new features for the Cisco MGX 8880 platform:
VXSM Enhancements
For information about VXSM enhancements, refer to Release Notes for the Cisco Voice Switch Service 
Module (VXSM), Release 5.4.20
.
Security Enhancements
This release introduces the following security enhancements:
PXM45—Secure File Transfer (SFTP). 
RPM-XF—Secure Shell (SSH) for RPM-XF. 
Access control for the shellcon command.
SFTP and SSH Features
Cisco MGX switches currently support the following remote access applications and protocols:
Telnet, FTP, and SSH on the PXM45 controllers
Telnet and FTP on the RPM-XF and RPM-PR cards