For added security, the local network firewall and gateway may be restricted to allow only the necessary
traffic on the required network ports. The ports used by the Unity card are listed in the following table.
Some port settings may be changed by the administrator.
NETWORK
SERVICE
PORT USED
DEFAULT?
CAN BE MODIFIED?
Web
HTTP
TCP 80
Yes
Yes
HTTPS
TCP 443
Yes
Yes
DNS
TCP & UDP 53
Yes
No
NTP
TCP & UDP 123
Yes
No
SMTP
TCP 25
Yes
Yes
SSHv2
TCP & UDP 22
Yes
No
Telnet
TCP 23
Yes
No
SNMP
UDP 161, 162
Yes
Only trap port 162 may be changed
Modbus TCP
TCP 502
Yes
Yes
BACnet IP
UDP 47808
Yes
Yes
Velocity Protocol
UDP 47808
Yes
No
LIFE
TCP 80
Yes
Yes
Table 2.2 Ports used by the Unity card
Details for configuration of all options are provided in the remainder of this guide.
Vertiv™ | Liebert® IntelliSlot Unity Card Installer/User Guide
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