### Diagnostics and POST Information

This topic provides links to PortServer hardware diagnostic and power on self test (POST) information.

#### PortServer

- PortServer Hardware Diagnostics
- PortServer Diagnostic Test Description

#### PortServer II

- PortServer II Hardware Diagnostics
- PortServer II Diagnostic Test Descriptions

#### PortServer TS 8/16

- PortServer 8/16 Hardware Diagnostics
- PortServer 8/16 POST

#### Digi One RealPort and PortServer TS 2/4

- Running Hardware Diagnostics
- Running POST