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Hardware Preparation and Installation
2
2-14
In order for high baud-rate serial communication
Note
between 177Bug and the terminal to work, the terminal
must do some form of handshaking. If the terminal
being used does not do hardware handshaking via the
CTS line, then it must do XON/XOFF handshaking. If
you get garbled messages and missing characters, then
you should check the terminal to make sure
XON/XOFF handshaking is enabled.
8. If you want to connect devices (such as a host computer
system and/or a serial printer) to the other EIA-232-D port
connectors (marked SERIAL PORTS 2, 3, and 4 on the
MVME712x transition module), connect the appropriate
cables and configure the port(s) as detailed in step 6 above.
After power-up, this(these) port(s) can be reconfigured by
programming the MVME177 CD2401 Serial Controller Chip
(SCC), or by using the 177Bug PF command.
Note that the MVME177 also contains a parallel port. To use
a parallel device, such as a printer, with the MVME177,
connect it to the "printer" port at P2 through an MVME712x
transition module. Refer to the MVME177 Single Board
Computers Programmer's Reference Guide for some possible
connection diagrams. However, you could also use a module
such as the MVME335 for a parallel port connection.
9. Install any other required VMEmodules in the system.
10. Replace the chassis cover.
11. Connect power cable to AC power source.
12. Turn equipment power ON. 177Bug executes some self-
checks and displays the debugger prompt "
177Bug is in Board Mode). However, if the ENV command
has put 177Bug in System Mode, the system performs a
selftest and attempts an autoboot. Refer to the ENV and
MENU commands listed in the Debugger Command Table in
Appendix B.
" (if
177-Bug>
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