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Environmental Manager: Main Module
21
Telnet and SSH
You can access the control console through Telnet or
Secure SHell (SSH), depending on which is enabled.
Select the Administration tab, the Network option
on the top menu bar, and then the access option under
Console on the left navigation menu. By default,
Telnet is enabled. Enabling SSH automatically
disables Telnet.
Telnet for basic access. Telnet provides the
basic security of authentication by user name and
password, but not the high-security benefits of
encryption. To use Telnet to access a Main Module’s
control console:
1. At a command prompt, use the following
command line, and press
ENTER:
telnet address
As address, use the Main Module’s IP
address or DNS name (if configured).
2. Enter the user name and password (by default,
apc and apc for an Administrator, or device
and apc for a Device User).
SSH for high-security access. If you use the
high security of SSL for the Web interface, use
Secure SHell (SSH) for access to the control console.
SSH encrypts user names, passwords, and
transmitted data.
The interface, user accounts, and user access rights
are the same whether you access the control console
through SSH or Telnet, but to use SSH, you must first
configure SSH and have an SSH client program
installed on your computer.
See the Environmental Manager: Main
Module User’s Guide for more
information on configuring and using
SSH.
Simple Network Management Protocol (SNMP)
SNMPv1 only. After you add the PowerNet
®
MIB
to a standard SNMP MIB browser, you can use that
browser to access the Main Module. All user names,
passwords, and community names for SNMP are
transferred over the network as plain text. The
default read community name is public; the default
read/write community name is private.
SNMPv3 only. For SNMP GETs, SETs, and trap
receivers, SNMPv3 uses a system of user profiles to
identify users. An SNMPv3 user must have a user
profile assigned in the MIB software program to
perform GETs and SETs, browse the MIB, and
receive traps. The default settings are no
authentication and no privacy.