10 Com m un ication 175
10.1 SNMP Protocol Communication 175
10.2 Modbus Protocol Communication 175
10.3 Dry Contact Communication 175
10.3.1 Communication Through IS-Relay Card 175
10.3.2 Communication Through Dry Contact Port 176
11 Service and M aintenance 177
11.1 Safety 177
11.2 Service Procedures of Power Module and Bypass Module 177
11.2.1 Service Procedures of Power Module 177
11.2.2 Service Procedures of Bypass Module 178
11.3 Key Components and Service Life of UPS 179
11.3.1 Life Parameters and the Proposed Replacement Time of Key Components 180
11.3.2 Replacement of Air Filter 180
11.4 Maintenance of UPS and Options 181
12 S pecifications 183
12.1 Conformance and Standards 183
12.2 Environmental Characteristics 183
12.3 Mechanical Characteristics 184
12.4 Electrical Characteristics (Input Rectifier) 184
12.5 Electrical Characteristics (Intermediate DC Circuit) 185
12.6 Electrical Characteristics (Inverter Output) 185
12.7 Electrical Characteristics (Bypass Input) 186
12.8 Efficiency and Loss 187
Appendices 189
Appendix A: Technical Support and Contacts 189
Appendix B: Glossary 190
Appendix C: Hazardous Substances and Content 191
Appendix D: Declaration of Materials and Components 192
Appendix E: Disposal After End of Product (Applicable for India) 193
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