For your safety 15Entity parametersThe Entity Concept allows interconnection of IS/NIequipment with associated equipment when the followingis true:Ui ≥ Uo, Ii ≥ Io, Pi ≥ Po, Ci ≤ Co, Li ≤ Lo, and Li/Ri ≤ Lo/Ro.The installation must be in accordance with the followingstandards:■ National Electrical Code (NEC), ANSI/NFPA 70, Arti-cles 504 and 505■ Canadian Electrical Code (CEC) Part I, CAS C22.1■ ANSI/ISA-RP12.06.01■ EN/IEC 60079-25■ relevant local regulations.TP9300/TP9400 IS/NI radios have the following entityparameters.Radio accessory port:Radio battery port:■ Uo 7.2 V■ Io 0.42 A■ Po 1.3 W■ Co 1.97 μF■ Lo 100 μH■ Lo/Ro 20 μH/Ω■ Ui 8.4 V■ Ii IIA: 2.9 AIIC: 1.9 A■ Um 9.0 V (charging)■ Ci 1.2 μF■ Li 5.7 μH