AT MODEM EMULATION MODE .................................................................................................... 113
ATE (echo) Command ................................................................................................................. 114
ATH (hangup) Command ............................................................................................................. 114
ATZ (reset) Command ................................................................................................................. 114
ATA (answer) Command.............................................................................................................. 114
ATD (dial) Command ................................................................................................................... 114
+++ (escape) Command .............................................................................................................. 115
AT Command Chaining................................................................................................................ 115
INTRODUCTION ............................................................................................................................. 117
CONFIGURING THE CNI2 .............................................................................................................. 127
Customer Alarm-1........................................................................................................................ 132
Customer Alarm-2........................................................................................................................ 132
TAMPER Detect Alarm ................................................................................................................ 133
AC-OFF Alarm............................................................................................................................. 133
AC-ON Alarm............................................................................................................................... 133
Unit Reset Alarm.......................................................................................................................... 133
Call Retry Alarm........................................................................................................................... 133
Queue Full Alarm......................................................................................................................... 133
Clock Resync Alarm..................................................................................................................... 133
Low Battery Alarm ....................................................................................................................... 134
STARTING DC-2009 ....................................................................................................................... 135
MAINTENANCE .....................................................................................................................142
BATTERY REPLACEMENT............................................................................................................. 142
MAINTENANCE CHECKLIST .......................................................................................................... 142
SPECIFICATIONS ..................................................................................................................150
CERTIFICATIONS........................................................................................................................... 150
MECHANICAL ................................................................................................................................. 151
CNI2 Operating and Installation Guide
4