13.4Hardware Requirements
The following hardware components are required to connect the Remote Notification function.
·Modem: Basic external PC modem supporting the following AT commands.
T | Tone dialing. | |
&F | Load factory defaults. | |
E0 | Do not echo characters in command state. | |
N0 | Handshake only at speed specified by S37. | |
Q0 | Return result codes in both originate and answer mode. | |
V0 | Display result codes as numbers. | |
X0 | Provide basic result codes: OK (0), CONNECT (1), RING (2), | |
|
| NO CARRIER (3), and ERROR (4). |
&D0 | Ignore status of DTR signal. | |
&K0 | Disable local flow control. | |
&Q5 | Communicate in error control mode. | |
S0=1 | Auto Answering (1 ring). | |
2400 Baud. | ||
&W0 | Store setup in profile O. | |
&Y0 | Recall profile O on power up. | |
NOTE: Consult the modem manufacturer’s manual to confirm that the above commands are supported by your modem.
·Null modem serial cable with a male DB25 connector on the modem end and a DB9 connector on the UPS end.
All the above items can be acquired at your local computer products supply store.
An alternative to purchasing a cable is to build your own serial cable using the following pin out description :
DB25 to DB9 Null Modem Interface
Male DB25 | Male DB9 |
pin 2 | pin 2 |
pin 3 | pin 3 |
pin 4 | pin 8 |
pin 5 | pin 7 |
pin 6 | pin 1, 4 |
pin 7 | pin 5 |
pin 8, 20 | pin 6 |
Powerware 9330 (10 | |
164201300 REV. G 061502 |
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