Version; Connection Methods, Attributes - Avocent ESP Serial Hub Installer/User Manual

Chapter 1: Introduction 3
The ESP hubs support attended and unattended configuration. With attended configuration, you set
values and request actions directly through the web interface or the configuration utility.
Unattended configuration uses a flat text file containing configuration commands. The commands
are processed as if they were requested using the web interface or the configuration utility. The
command file may be read by BootP/DHCP during initial ESP hub configuration. Downloading a
command file may also be initiated using the web interface and configuration utility. See Chapter 6,
beginning on page 55.
The ESP serial hub also provides a socket API for on-the-fly serial port operations. This API is an
extension of the raw TCP interface, which allows data to be read from or written to an ESP hub
serial port. Using socket calls, an application is able to alter port settings (such as baud rate) or read
current serial control signals (such as DTR). For details on the API specification, contact Avocent
Technical Support.

Version

This document covers features available with the ESP hub application version 3.05 or later.
ESP-2 MI serial hubs and Avocent ESP MI serial hubs will accept the new firmware; check the CD
that ships with the hub (and the www.avocent.com web site) to verify the current boot and
application versions.
Older hubs are not compatible with the new firmware. For information about older hubs, you can
reference the manual that shipped with the hub, download the original manual from the web site or
contact Technical Support.