Alpha-technologies Cordex Controller Ver.3.1x Manuel d'utilisateur Page 105

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103
0700015-J0 Rev B
8.3.3 Null Modem Direct Cable Connection Support
The CXC supports the use of a direct DB-9 null modem cable connection to a computer running Win-
dows®. The null modem cable is connected to either the front panel RS-232 serial craft port interface or
rear RS-232 serial port interface (requires the CXC to be supplied with the List Option 95 Communica-
tions Board assembly).
A null modem cable connection to the front port typically requires just a simple three-wire null modem
cable (TxD, RxD and GND) for terminal emulation access (Alpha diagnostics usage). However, for a fully
functional Windows® PPP web connection for TCP/IP, the Windows® serial driver on the computer con-
necting to the CXC requires a standard null modem cable.
CAUTION!
For a CXCI controller, do not connect anything other than the Alpha modem and Alpha-sup-
plied DB-9 cable to the D-sub port on the front.
Figure 128 RS-232 null modem cable pinouts
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