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CHAPTER 4: Operation
• Terminal mode: The Remote Management Switch does not monitor the
connection status of the master port. This mode allows an unlimited number
of login attempts. Each time it receives an enter key, the Switch issues a new
login prompt. After three tries, the login prompt is suppressed to allow you to
enter control codes. Use this mode for direct cable connections from a PC or
terminal to the Switch.
8) Cycle Time. Sets the length of time in a relay Cycle command. This time is set
once for all relays controlled. Selections from 1 to 255 are valid.
9) Time Out. To prevent one port from dominating access to the master port and
locking out other selections, the Switch incorporates a timeout feature. With this
feature enabled, the Switch monitors the data activity received by the master port.
When no data is received by the time as set, the currently selected port is de-
selected. Set the Timeout from 1 to 99 minutes. Setting the Timeout to 0 (the
default setting) disables the feature and allows unlimited time with no data
received. The timeout feature affects all selection modes.
X) Exit the Programming Mode. Exit the programming menu and activate all
current settings. If you have changed the baud rate and/or character format, Exit
will enable those changes. From the main menu, “X” terminates the current
session and a new connection to the Remote Management Switch will be required.
The calling system must terminate the session and hang up the modem.
4.3 Escape Code Control
The Remote Management Switch allows direct computer control using simple
ASCII strings. These codes can control the port selection and relay operation. To
access the Switch for code control, enter the commands as shown below. To invoke
the auto-rate detector, press the Escape key one or more times, until the Switch
responds with BLACK BOX READY.
<Esc> The Escape character (Decimal 27 Hex 1B)
<Sec> The Security code (Default=TEST)
<x> The Port letter (A–D)
<n> The Relay number (1–4)
<EOT> The End of text character (Decimal 04 Hex 04 Ctrl+D on the IBM
®
keyboard)
Select Port <Esc><Sec><x>