Door position monitor device replacementSee this section for replacement of the door position monitor device.Note: This component is a Third Party Option parts. Not with standing anything to the contrary, third partyoptions are excluded from Lenovo Statement of Limited Warranty. See https://support.lenovo.com/us/en/solutions/ht510461 for details.Some cabinets might come with the following devices:Figure 62. Door position monitor devices• 1 Electronics lock• 2 Door position monitor magnet and switch• 3 Environmental monitoring applianceIn this case, contact the following for technical support and service with these devices.• Phone number: +86-400-810-1315 (English/Chinese). Service hours: (UTC+8):– Monday-Friday: 08:15-18:00– Saturday: 09:00-17:00• E-mail address: itbtech.support@schneider-electric.com• Service website: https://www.schneider-electric.cn/zh/work/services/Download the latest version of the User Guide from the applicable product page of https://www.apc.com. Tofind a product page, enter the part number (NBRK0250) into the search field. You can also find thedocumentation on https://www.se.com: enter the part number in the search field, and select Documents andSoftware under Product information.Chapter 7. Hardware removal, installation and conversion 51