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C
ONNECTING
TO
THE
A
LARM
P
ORT
3-15
The serial port’s configuration requirements are as follows:
• Default Baud rate—9,600 bps
• Character Size—8 Characters
• Parity—None
• Stop bit—One
• Data bits—8
• Flow control—none
Connecting to the Alarm Port
The DB-15 alarm port on the switch’s front panel is used to provide alarm,
service port, and BITS clock reference interfaces. The switch supports two
sets of alarm relay contacts (major and minor), and 4 external customer
site alarm inputs. It also provides an alarm cutoff button (labeled ACO).
The pin assignments used to connect to the alarm port are provided in the
following table.
Figure 3-10 Alarm Port (D-15) Pin-Out
1
15
Summary of Contents for 7824M/FSW
Page 2: ......
Page 18: ...TABLE OF CONTENTS xviii E Ordering Information E 1 Glossary Index ...
Page 40: ...NETWORK PLANNING 2 8 ...
Page 58: ...INSTALLING THE SWITCH 3 18 ...
Page 68: ...MAKING NETWORK CONNECTIONS 4 10 ...
Page 72: ...TROUBLESHOOTING A 4 ...
Page 80: ...CABLES B 8 ...
Page 86: ...EXTENDER MODULES C 6 ...
Page 96: ...ORDERING INFORMATION E 2 ...
Page 102: ...GLOSSARY Glossary 6 ...
Page 106: ...INDEX Index 4 ...
Page 107: ......