Alpha Technologies Micro Secure UPS - Manual (Page 23)

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017-220-J0 Rev B
6.2 Communicating with the RS-232 interface
6.2.1 Wiring the RS-232 port
The Alpha Micro Secure’s front panel has a DE-9 female connector. When connected to a PC with Windows
HyperTerminal or other terminal emulation software, the Alpha Micro Secure can be remotely monitored and
controlled with it’s command-line system. The Alpha UPS Monitor provides a Windows or web browser type of
control.
Procedure
1. Connect a 9-pin, fully shielded, straight-through DE-9 to DE-9 connector cable between the computer’s port
and the Alpha Micro Secure’s port.
2. Configure the communications parameters to the values shown in the terminal set up table below.
Figure 9 — RS-232 pin connections
Table C — Terminal Set Up Table
Emulation Type
VT 100 or
Compatible
Backspace N/A
Duplex Mode Half Duplex Break Length N/A
Xon/Xoff Flow Control None Emulation Type N/A
RTS/CTS Flow Control Off Communication Parameters
Line Wrap On Handshaking Software Handshaking
Screen Scroll On Baud Rate 2400 bps
CR Translation CR Data Format 8-bit Data, No Parity, 1 Stop Bit, No Flow Control.