Troubleshooting continued

Problem

Possible Cause

Solution

 

 

 

 

The communica-

Verify cable connec-

 

tion cable is not

tions.

 

properly fastened.

 

 

 

 

 

The wrong cable is

If you are using smart

 

being used.

signaling, verify that

 

 

you are using the

The Status LED

 

cable supplied with

 

your APC UPS (940-

is on but the

 

 

0024). If you are using

server on the

 

 

simple signaling, ver-

Advanced port

 

 

ify that you are using

cannot commu-

 

 

the correct simple sig-

nicate with the

 

 

naling cable. (See

UPS.

 

 

“Choosin g simple sig-

 

 

 

 

naling cables: Table

 

 

1” on page 4.)

 

The port on the

Close the offending

 

master server is

application.

 

being used by

 

 

another application.

 

 

 

 

The pager

The modem is dial-

Configure your

receives incom-

ing too quickly for

modem for slower

plete or incorrect

the pager system.

dialing, using modem

codes.

 

commands. See

 

 

“Common modem

 

 

commands: Table 10,”

 

 

on page 44.

 

 

 

 

 

 

51

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American Power Conversion AP9207 manual Trouble Shooting Table
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