ISY-99i/ISY-26 INSTEON:Advanced Configuration Guide

From Universal Devices, Inc. Wiki

Please refer to Connecting_to_the_ISY_Shell to begin a Telnet or HyperTerminal session.

All commands are case sensitive and must be entered in upper case.


CI - Configure Infra-Red

To modify the settings for Infra-red use (only available on ISY-99i/IR)

  • IR Hold detection [Default = 600 MilliSec](range 50-3000 MilliSec)
  • IR Hold maintain [Default = 300 MilliSec](range 50-3000 MilliSec)

CL – Configure Maximum Log Size

To change the amount of log space allowed, type CL at the shell prompt.

  • Default = 3 MB
  • Range = 1-16 MB


CME - Configure Maximum Emails per minute

  • Default = 60
  • Range 1-3600


CR - Max Device Command Retries

  • Default = 2
  • Range 1-16


CT – Configure TCP/IP

TCP/IP configuration command enables you to either assign static IP address information or instruct the ISY to use DHCP. The default is DHCP. To perform TCP/IP configuration, type CT at the shell prompt.


Assigning a Static IP Address

  • When prompted for IP Address, enter the desired static IP address
  • When prompted for NetMask, enter the desired subnet mask
  • When prompted for Gateway, enter the IP address for the gateway
  • When prompted for DNS Server, enter the IP address for the DNS server

When prompted with Save Changes, enter Y. The system will reboot using the provided information for TCP/IP configuration. Note: If you enter the wrong Gateway and/or DNS server, some of the notifications and time functions will become inoperable.


Requesting a DHCP Assigned IP Address

  • When prompted for IP Address, enter 0.0.0.0
  • When prompted for NetMask, ignore
  • When prompted for Gateway, ignore
  • When prompted for DNS Server, ignore

When prompted with Save Changes, enter Y. The system will reboot and attempt to get DHCP assigned TCP/IP information upon system start.

See Assign a Static IP Address


CWP - Configure Webserver Ports

This command allows you to configure the Webserver ports.

  • HTTP Port [Default = 80] (range 1-65536)
  • HTTPS Port [Default = 443] (range 1-65536)


CWT - Configure Webserver Timeouts

  • HTTPS Timeout [Default = 20000 MilliSec](range 5000-50000 MillisSec)
  • HTTP Timeout [Default = 10000 MilliSec](range 5000-50000 MillisSec)

DBG - Debug [0|1|2|3]

To log key messages received to the java console, do the following

  • DBG 0: this tells the box to not send messages to the GUI
  • DBG 1: this tells the box to send basic messages to the GUI
  • DBG 2: this tells the box to send more specific messages to the GUI
  • DBG 3: this tells the box to send even more specific messages to the GUI

Open the Java console to see the messages. A line surrounded by square brackets is written to the Java console whenever a button is pressed, an X10 message is received, or a status change occurs. This is useful for determining whether or not the PLM has seen a button press or X10 message and sent it to the ISY.


EI|DI – Enable/Disable Internet Access

To enable access to this device from the internet, type EI at the shell prompt. By default internet access is disabled.

To disable access to this device from the internet, type DI at the shell prompt.


ET|DT – Enable/Disable Telnet Access

To enable telnet access, type ET at the shell prompt. By default, Telnet Access is enabled.

To disable telnet access, type DT at the shell prompt.

Note: If there’s already a telnet session open, the session will continue to function until the user exits the shell.


FR – Factory Reset

To reset the ISY to factory settings, type FR at the shell prompt. Note: By performing a factory reset, the following information shall be lost (irrecoverable) and the Username and Password shall revert back to admin/admin.

  • All the schedules
  • All the notifications settings
  • All the alarm settings
  • Time zone
  • All the discovered devices, their names, their groups
  • The network name

Please refer to the warnings on this page: Restarting Your ISY-99i


FS – Format SD Card

To format the SD Card, type FS at the shell prompt. Answer the "Are you sure question" with an upper case "Y"

Please note: the ISY works with both FAT 16/32, but FS function formats it specifically for use with ISY with some performance improvements so its preferred you use this method.


LS – List All Files & Directories

To view the listing of files and directories on the memory card, type LS at the shell prompt.


MN – Menu

To show the menu, type MN on the shell prompt. You may also enter any unrecognized command to get the menu to be shown.


RL – Reset Login Credentials

To reset the login credentials back to the initial state of admin/admin, type RL at the shell prompt.

Note: If you have forgotten your Username and Password and are thus unable to login to the shell, please see this page: Resetting Your Userid/Password


RS – Reboot the System

To reboot the system, type RS on the shell prompt.


SM – Show Memory Utilization

To view the ISY’s memory utilization, type SM at the shell prompt.


SMR - Maximum Retries Before Client Is Considered Offline

  • Default = 3
  • Range 1-255


ST – Show System Time

To view the ISY’s system time, type ST at the shell prompt.


SU – Show External URL

If this device has been configured for internet access, you may use the SU command – at the shell prompt – to view the external URL through which this device is accessible on the internet.


VE - Display Version

Displays the version information of the ISY. This information includes the following:

  • Product
  • App
  • Platform
  • Version
  • Build Date
  • Other Services


XS – Exit the Shell

To exit the shell, type XS on the shell prompt.


Related Pages




ISY-26 INSTEON / ISY-99i Series INSTEON : Main Page