<b id="ijyu3"></b> <b id="ijyu3"></b> The DH9273 is compatible with a fire telephone extension and has no address code.
The DH9273 is coded, compatible with the DH9261/B-bus fire telephone host and the DH9271 fire-telephone extension, and can be connected in parallel with the DH9273 non-addressed telephone jack or the EI6021 manual call point to share an address.
<b id="ijyu3"></b> <b id="ijyu3"></b>