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5
Connecting the Supervisory Port
The SUPERVISORY port is a DB9 female DCE connector configured for 8 bits, no
parity, and 1 stop bit. Bit rates are configured through the Web server interface. The
initial default rate of the Supervisory port is 19200 bps.
On power-up, the Supervisory port sends out diagnostic messages at the bit rate of
115.2 kbps until the Supervisory service acquires the Supervisory port, after which the
port speed is changed to the setting in the Supervisory interface screen.
A VT100 terminal or a PC providing VT100 terminal emulation must be used to set up
access to and management of the unit.
Procedure
1. Configure the PC so it is compatible with the Hotwire 8300 unit:
— Baud Rate set to 19.2 kbps.
— Character length set to 8 data bits.
— Parity set to none.
— Stop bit set to 1.
— Flow Control set to None.
2. Insert one end of the DB9-to-DB9 cable into the SUPERVISORY port.
3. Insert the other end of the cable into a COM port on the PC. If there is more than
one COM port, make note of which one you use.
4. Press Enter on the keyboard to display the Main Menu of the VT100 interface. See
the User’s Guide for information about its use.