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150-231-181-01, Revision 01 Provisioning
HLU-231 List 8A September 7, 1999 13
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M
AINTENANCE
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ERMINAL
Connecting to a Maintenance Terminal
The craft port on the front panel allows you to connect the HLU-231 to a maintenance terminal (ASCII terminal
or PC running a terminal emulation program). Once connected to a maintenance terminal, you can access the
maintenance, provisioning, and performance screens.
To connect to a maintenance terminal:
1 Connect a standard 9-pin terminal cable to the RS-232 craft port ( Figure 1 on page 4 ) on the HLU-231 front
panel.
2 Connect the other end of the cable to the serial port on the maintenance terminal.
3 Start a terminal emulation program such as ProComm (emulating a VT-100 terminal).
4 Configure the maintenance terminal to the following communication settings:
•
1200 to 9600 baud (9600 baud is recommended)
•
no parity
•
8 data bits
•
1 stop bit
•
hardware flow control to OFF
5 Press the several times to initiate the autobaud connection and to initialize the Maintenance
Terminal screens.
Accessing the Maintenance Terminal Screens
The following sections describe how to use the Maintenance Terminal screens to view, provision and diagnose an
HLU-231 List 8A system.
Navigation Keys
Table 3 lists keys you can use on the maintenance terminal to navigate the Maintenance Terminal screens.
Table 3. Navigational Keys on the Maintenance Terminal
Key Function
Automatically updates the screen data
Updates screen data
Clears screen data
Selects the next Span Status screen (for doubler applications)
, , , , or Selects a specific Span Status screen (for doubler applications)
Selects the previous page of screen data
Selects the next page of screen data
Exits the current screen
Selects the Loopback menu from the Troubleshooting screen
Returns to the main Troubleshooting screen from the Troubleshooting (H)elp, (M)argin Values or
(I)nsertion Loss screens
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