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To access the C100 MCP local port you need a
simple but special serial cable. We got ours from a bulk of used SUN
/ SGI cables by accident. I have seen some in ebay.com from US $ 15.- up to unbeleavable
US $ 105.-. It is your decision. |
What the manuals say:
To connect a PC to the C100, you need a serial straight-through cable with the following
connectors:
 | A connector that matches the serial port on your command station (Most terminals or PCs
use a male DB-9 or DB-25 connector.) |
 | A connector that matches the serial port on the MCP module or switch: C100 switch
modules have a Mini DIN 8 connector. |
 | C50 switch modules have a Mini DIN 8 connector. Model 5000BH switch modules have a 9-pin
connector and require a null modem cable instead of the standard serial cable. |
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| Here are the pictures from our lab : its a MD8M and a
DB9F cable |
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Its not a keyboard or mouse cable !!!!
SUN and SGI use these serial cables.
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This is my cable, which works with my notebook on COM1 with Hyperterm and 9600 baud.If
you need to make one, look here: |
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| The original specs from Bay PDF file : |
downloads/C100-serial-cable-3.pdf |
| Here are some more pictures from an open DB9 female cable: This
cable was ready from my cable stock, not specially made for C100, but its works. 
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Notice the solder bridge, there are two shortened pins!!!!! |
| added last minute : to make your own cable, you need 1m flexible
computer cable with shield and 4 or more flexible wires like a telephone line or a
microphone cable.
print out the PDF, it seems to be easy, and you need one MD8M and one D9F . |
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I did check following : it works

you need to have such a box to check your pins and the signals, you need Ground and 3 more
wires only !! check the PDF |
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