# Message Explanation
C-6 APPENDIX C: SYSTEM TRANSACTIONS — NUMERICAL SEQUENCE
142 Host Dial Start Remote device dialing host.
143 Carrier Off SE 422—Incoming phone line or host port has lost DTR.
144 Carrier On SE 422 — Incoming phone line or host port DTR high.
145 Logs Purged SE 422 — Log buffer purged.
146 Threshold Met SE 422 — Logs have met user-defined threshold.
147 Deferred Key Key referred to host for access decisions.
148 Auto Forgive Automatic forgive passback issued.
149 Zone Count Reset Count for a particular zone or all zones reset.
150 Req. Passback Forgive Forgive passback command issued.
151 Timer Started Not used at this time.
152 Timer Cancelled Not used at this time.
153 Timer Expired Not used at this time.
154 Request Reset Device Operator initiated device reset from devices menu.
155 Request Reset Keys Operator initiated key reset from devices menu.
156 Reset Device Okay Affirmative response following device reset command.
157 Reset Key Okay Key information successfully reset in 8xx-series ACU.
158 Error on Device Reset Unable reset memory / system data for 8xx-series ACU.
159 Error on Key Reset Unable reset key data for 8xx-series ACU.
160 Open Cash Drawer Parking attendant cash drawer opened improperly.
161 Invalid Card Type Wrong type magnetic stripe card presented.
162 Line Cut SE 422 input line cut.
163 Line Short SE 422 input line shorted.
164 through 169 Reserved for future applications.
170 Over Device Limit System configuration has exceeded specified limits.
171 Invalid Site Code Site code not on file or invalid.
172 ABA Card Expired ABA card presented has expired.
173 ABA Card Data 1 Five 40-character lines (maximum) encoded on ABA cards.
174 ABA Card Data 2 •
175 ABA Card Data 3 •
176 ABA Card Data 4 •
177 ABA Card Data 5 •