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Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operation
164201261 Rev. F 111503
Hardware Requirements
The following hardware components are required to connect the Remote
Notification function.
• Modem: Basic external PC modem supporting the following AT commands.
E0 --- Do not echo characters in command state.
M 0 --- Tu rn sp ea k er o ff.
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: CONNECT, NO CARRIER, and RING.
&A0 --- Connect as answering modem when auto-answering.
&D0 --- Ignore status of DTR signal.
&K0 --- Disable local flow control.
&Q5 --- Communicate in error control mode.
NOTE: Consult the modem manufacturer’s manual to confirm that the above
commands are supported by your modem.
• Standard serial cable with a male DB25 connector on both ends.
• DB25 null modem adapter.
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:
Male DB25 Male DB25
pin 7 pin 7
pin 2 pin 2
pin 3 pin 2