...
If your home has specially wired alarm equipment connected to the telephone line, ensure the installation of this FR-50-21-50-AD2M and FR-50-21-125-AD2M does not disable your alarm equipment. If you have questions about what will disable alarm equipment, consult your telephone company or a qualified installer.
i) This equipment is hearing aid compatible.
| Note |
|---|
According to telephone company reports, AC electrical surges, typically resulting from lightning strikes, are very destructive to telephone equipment connected to AC power sources. To minimize damage from these types of surges, a surge arrestor is recommended. |
...