Digi CM 16. Management protocols: HTTP/HTTPS, SNMP. Authentication method: RADIUS, TACACS+, Secure LDAP, Active Directory, Kerberos, Security algorithms supported: SSH, SSL/TLS, HTTPS. Console port: RJ-45. Dimensions (WxDxH): 216 x 432 x 45 mm, Weight: 2600 g. AC input voltage: 100 - 240 V