9.2.7 IS-Relay card 160
9.2.8 UF-RS-485 card 162
9.2.9 BCB cabinet 163
9.2.10 Parallel cable 163
9.2.11 LBS cable 163
9.2.12 Shorting copper bar kit 163
9.2.13 LBS adapter 163
10 Communication 165
10.1 SNMP Protocol Communication 165
10.2 Modbus Protocol Communication 165
10.3 Dry Contact Communication 165
10.3.1 Communication through IS-Relay card 166
10.3.2 Communication through dry contact port of central control module 166
11 Service and Maintenance 167
11.1 Safety for Service and Maintenance 167
11.2 Service Procedures of Power Module and Bypass Power Module 167
11.2.1 Service procedures of power module 168
11.2.2 Replacement procedures of bypass power module 168
11.3 Key Components and Service Life of UPS 169
11.3.1 Life parameters and the proposed replacement time of key components 169
11.3.2 Replacement of air filter 169
11.4 Maintenance of UPS and Options 170
12 Specifications 171
12.1 Conformance and Standards 171
12.2 Environmental Characteristics 171
12.3 Frame 1 Mechanical Characteristics 172
12.4 Electrical Characteristics (Input Rectifier) 172
12.5 Electrical Characteristics (Battery Bus) 173
12.6 Electrical Characteristics (Inverter Output) 173
12.7 Electrical Characteristics (Bypass Input) 174
12.8 Efficiency and Loss 174
Appendices 176
Appendix A: Technical Support and Contacts 176
Appendix B: Glossary 177
Appendix C: Hazardous Substances and Content 178
Proprietary and Confidential ©2023 Vertiv Group Corp. v
Vertiv™ Liebert® APM2 30 to 120 kVA Modular UPS User Manual
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