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Hardware requirements – Powerware 5075 kVA User Manual

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Powerware BPIII Harsh Environment UPS 50--75 kVA Installation and Operatio

n

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.

M0

--- Turn speaker off.

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