8.2.1 Preliminary Checks 128
8.2.2 Cabinet Installation 128
8.2.3 External Protective Device 130
8.2.4 Power Cable 130
8.2.5 Parallel Cable 131
8.2.6 Remote EPO 132
8.3 Operation Procedures for Parallel System 133
8.3.1 Startup Procedures in Normal Mode 133
8.3.2 Maintenance Bypass Procedures 133
8.3.3 Procedures for Isolating One UPS module from Parallel System 134
8.3.4 Procedures for Inserting One Isolated UPS module in Parallel System 135
8.3.5 Procedures for Completely Powering Down UPS 136
8.4 LBS System 136
8.4.1 Cabinet Installation 136
8.4.2 External Protective Device 139
8.4.3 Power Cable 139
8.4.4 LBS Cable 139
9 O ptions 142
9.1 Option List 142
9.2 Option Introduction 143
9.2.1 Optional Side Cabinet 143
9.2.2 Battery Temperature Sensor Kit 146
9.2.3 Battery Ground Fault Kit- Applicable for APAC Region 147
9.2.4 Bypass Short-circuit Withstand Option 147
9.2.5 Seismic Anchor Kit 148
9.2.6 IS-UNITY-DP Card 151
9.2.7 IS-UNITY-LIFE 151
9.2.8 SIC Card- Applicable for APAC Region 152
9.2.9 IS-Relay Card 153
9.2.10 UF-RS485 Card- Applicable for APAC Region 155
9.2.11 Parallel Cable 156
9.2.12 LBS Cable 156
9.2.13 BCB Cabinet- Applicable for APAC Region 156
9.2.14 Back-feed Contactor Option 157
9.2.15 Top Fan Assembly 158
9.2.16 I/O Switch Assembly 159
9.2.17 IP21 Option 160
9.2.18 IP31 Option 161
9.2.19 LBS Adapter 162
10 C om m unication 16 4
10.1 SNMP Protocol Communication 164
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Vertiv™ Liebert® APM Plus User Manual