Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
K.27 | Q5/5 | | Approved 2015-03-01 | 2015 | AAP | Rev. | IEC TC 64 & 81; ETSI ERM | Bonding configurations and earthing inside a telecommunication building | Low |
K.35 | Q5/5 | | Carried to next study period | 2018 | AAP | Rev. | ETSI, IEC | Bonding configurations and earthing at remote electronic sites | Low |
K.39 | Q5/5 | | Carried to next study period | 2018 | AAP | Rev. | IEC TC 81, Cenelec TC 81X | Risk assessment of damages to telecommunication sites due to lightning discharges | Low |
K.40 | Q5/5 | | Carried to next study period | 2018 | AAP | Rev. | IEC TC 81, Cenelec TC 81X | Protection against LEMP in telecommunication centres | Low |
K.66 | Q5/5 | | Carried to next study period | 2018 | AAP | Rev. | - | Protection of customer premises from overvoltages | - |
K.67 | Q5/5 | | Approved 2015-12-14 | 2015 | AAP | Rev. | - | Expected surges on telecommunication networks due to lightning | Low |
K.73 | Q5/5 | | Carried to next study period | 2018 | AAP | Rev. | - | Shielding and bonding for cables between buildings | - |
K.97 (ex K.dbs) | Q5/5 | | Approved 2014-02-13 | 2013 | AAP | New | - | Lightning protection of distributed base stations | Medium |
K.101 (ex K.sf) | Q5/5 | | Approved 2014-12-07 | 2014 | AAP | New | - | Shielding factors for lightning protection | High |
K.105 (ex K.lsr) | Q5/5 | | Approved 2015-03-01 | 2015 | AAP | New | - | Lightning protection of photovoltaic power supply system feeding a radio base station | - |
K.110 (ex K.ldt) | Q5/5 | | Approved 2015-12-14 | 2015 | AAP | New | - | Lightning protection of the dedicated transformer for radio base station | - |
K.111 (ex K.ntt) | Q5/5 | | Approved 2015-11-29 | 2015 | AAP | New | ETSI ERM | Protection of surrounding structures of telecommunication towers against lightning | Low |
K.112 (ex K.tot) | Q5/5 | | Approved 2015-12-14 | 2015 | AAP | New | - | Lightning protection, earthing and bonding: practical procedures for radio base station | - |
K.119 (ex K.acrb) | Q5/5 | | Carried to next study period 2016-10-14 | 2016 | AAP | New | - | Conformance Assessment of Radio Base Stations Regarding Lightning Protection and Earthing | High |
K.120 (ex K.lem) | Q5/5 | | Carried to next study period 2016-10-14 | 2016 | AAP | New | - | Lightning Protection and Earthing of Miniature Base Station | High |
K.lp | Q5/5 | | Carried to next study period | 2018 | AAP | New | - | Using data of lightning positioning system for network protection | Low |
K.psp (ex K.psi) | Q5/5 | | Carried to next study period | 2017 | AAP | New | - | Protection of small-size telecommunication installation with poor earthing condition | - |
K.vss | Q5/5 | | Carried to next study period | 2017 | AAP | New | - | Lightning protection and earthing of video surveillance system | Medium |