Tham khảo tài liệu 'krone - guide book - installation for truenet c5et & c6t', công nghệ thông tin, quản trị mạng phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | TrueNet Installation Guidelines C5eT & C6T Parameter Current Standards TrueNet Recommendation Horizontal Run Distance 90 Metres No Change Patch Cable Lengths Total of all patch cables less Total of all patch cables less than than 10 Metres 10 Metres, but only patch cables of approved lengths will be allowed. Patch Cable Source Unspecified, but do not allow Must be from an approved specific components source. NO third party patch cable assembly permitted under any circumstances Twists <13mm of untwist <10mm of untwist Cable Stripping Not specified <25mm of jacket removal allowed before contact to block Bend Radii 4X’s the diameter of the cable <4 times the diameter of the horizontal cable, <2 times the diameter of the patch cable Bend Radii at the connection Unspecified, except for 4 times <90 degrees of change from the point for patch/equipment cords the diameter of the cable parallel plane of the connector device Cable Ties Not specified, but recommend Velcro Tie Wraps Velcro J Hooks allowed only when placed in NON-CYCLICAL arrangement/spacing Conduit No Longer than 30 metres No Longer than 30 metres continuous continuous Cable Damage Not Specified Jacket free of kinks, holes, and lateral cracks No water in or around jacket Cable Bundles Not Specified No More than 30 cables shall be bundled together (Multiple bundle groups OK). Category “Mixing” Inferred Channels shall be assembled using similar NEC rated (such as CM, for example) components throughout. All products must be approved by KRONE. Pulling Tensions < kg per 4 pair cable < kg per 4 pair cable Conduit Fill Rate, Similar cable Not specified Conduit fill of 4 pair types communications type cable shall not exceed 60% fill rate. Mixing of different cable types, such as communications cables and control cables, not allowed Parameter Current Standards TrueNet Recommendation Block to Block Cross-Connects Specified cable Special designed jacketed cross- connect cable required (part number TBD) Service .
