
CHAPTER 2 SETUP AND OPERATION
2-3
board. All programm ing and initial communication
between the RPC-2350 and outside world is done
through RS-232.
The terminal program you use depends upon the
operating environment. The vast majority of
environments are PC ’s operating either DOS or
Microsoft Windows. If you are using another operating
environment, then just read “All terminal pr ograms”
below and set up your terminal program accordingly.
All terminal programs
Set communication parameters to
Baud rate: 19200
Data length: 8
Parity: none
Stop bits 1
The RP C-2350 does not send a CTS signal on its
communication port. If your terminal or comm unications
software requires this or other signals (DCD , DSR), you
may have to tie them to the appropriate levels. You can
probably ignore these lines in software. Windows
Terminal and Hyper Ter minal, P C Smar tLink, or
Procomm does not need them.
Set “handshake” control to “none” or OFF as
appropriate.
Default communication method between the RPC-2350
and PC is RS-232 ASCII. This includes file upload and
download. Other protocols such as XMOD EM ar e not
used.
A terminal program should be able to recognize a
‘prompt’ chara cter. A prom pt character is used to
control a transfer when sending a file (as is done during
a program download). W hen the RPC-2350 sends a ‘> ’
prompt character, it is saying “OK to send the next
line.” Standard Windows Hyper Term does not allow
this. Windows Terminal, Procomm and PC SmartLink
do.
If your terminal program does not allow for prompt
characters dur ing text transfers, next best is to put a
delay between sending lines (as is done in HyperTerm
and Terminal). How much depends upon what you are
sending. If you are downloading a small program (<
1000 lines), then 1/10 second is plenty of time. If you
are downloading data files, then you may need more
time, depending upon the complexity. The major
penalty when downloading with delays is increased
download time.
DOS mode
Start your serial communication program (PC
SmartLink, Proc omm, or other). Set the CO M por t to
the one you will be using.
Windows mode
You may use either Windows 3.1 Terminal or Windows
95 HyperTerm communication programs. For a fast
setup, use one of the following files:
CAMBASIC.TRM Windows terminal
CAMBASIC.HT Hyper terminal
Make sure you set the COM port number under
“Properties. ”
See “Developing programs in Window s” late r in this
section for more information on writing and editing
program s.
FIRST TIME OPERATION
Make sure your terminal is set up as described above.
Become familiar with the locations of the connectors
before getting started. See Figure 2-1.
RPC -2350 jum pers have been set at the factory to
operate the system immediately. For first time
operation, do not install any connectors or parts unless
specified below. Jumper s should be kept in default
positions.
1. The RPC-2350 requires + 5 ±0.25 VDC at 300 mA.
The RPC-2350G can use + 5V or 6.5 to 30 VDC at
150 to 320 mA. (Cur rent draw depends upon supply
voltage. More voltage = less current).
Make sure pow er is off. Connec t the power supply
to the appropriately marked terminals on the RPC-
2350 or RPC-2350G.
+ 5V is connected to P2, “+ 5V”. Make sure
jumper W8 is not installed.
7 to 30 VDC is connected to P2, “7-30V” (RPC-
2350G only). Make sure jumper W 8 is installed.
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