Aastra DT433 User Guide DT4x3 for BusinessPhone - Page 13
IMPORTANT, Fastening/Removal of the EX Battery, Headset in Hazardous Area, Attention
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User Manual Cordless Phones for BusinessPhone™ When using in hazardous/classified areas, use an approved battery pack only. The battery pack must be marked with art. no.: 660274 on the label. Charging parameters: Um = 5.25 V, Im = 1.15 A For approved battery types, see certificate IECEx SIR 10.0038 or Sira 10ATEX2072 and following supplements. IMPORTANT: Battery charging or replacement is NOT permitted in a hazardous area. When charging the EX classified handset, it is only permitted to use a charger marked with DC3-BxxB, DC4-BxxB or CR3-BxxC on the label. It is not permitted to charge the EX battery pack alone. Fastening/Removal of the EX Battery Before using the handset the first time, lift the battery pack upwards and remove the protection tape. Insert the battery pack and fasten it using the provided screws that require the provided special tool Battery pack opener. To remove the battery pack, use the opener and untighten the screws. Remove the battery pack by lifting it upwards. To fasten the battery pack use the opener and tighten the screws. IMPORTANT: Removing the battery pack is NOT permitted in a hazardous area. Headset in Hazardous Area In hazardous areas, it is only allowed to use the EX classified headset adapter (art. no.: 660281) in combination with an EX classified Peltor headset. The Peltor headset must be compatible with the output parameters of the headset connector as follows: Uo = 4.2 V Io = 169 mA Po = 629 mW Co = 2.2 µF Lo = 2.2 µH Attention • The product is housed in an enclosure that meets IP65. However, the EX classified handset is not intended to be immersed in dust or water. Note: Sira has tested the enclosure to IP64. AMT/PUD/TR/0119/1/2/EN 2012-08-13 7