Source note · POTS line replacement and copper retirement
Elevators subject to the 2019 A17.1 video and visual-message features need a communication path that carries data as well as voice, so a like-for-like analog voice replacement alone may be insufficient for those installations.
inferred · Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- elevator-emergency-communication
- Deployment
- elevator
- Region
- us
- Release range
- 2019 edition onward where adopted
- Status
- inferred
- Checked
- 2026-10-02
Sources
- Elevator Emergency Communications — National Elevator Industry, Inc. · tier 3 vendor-maintained repositories · 2019 edition enhancements list
Cite this note
APA
WarmTransfer. (2026, October 2). POTS line replacement and copper retirement: source note pots-line-replacement-a17-2019-needs-data-path. WarmTransfer. https://warmtransfer.net/knowledge/claims/pots-line-replacement-a17-2019-needs-data-path
BibTeX
@misc{warmtransfer-claim-pots-line-replacement-a17-2019-needs-data-path,
title = {POTS line replacement and copper retirement: source note pots-line-replacement-a17-2019-needs-data-path},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/pots-line-replacement-a17-2019-needs-data-path},
note = {Source note pots-line-replacement-a17-2019-needs-data-path, checked 2026-10-02}
}