1825PM Duet Plus Loud Ringer

1825 Duet Plus Application Notes and Compatibility

The 1825PM Duet Plus Loud Ringer interfaces to a CO line or with any telephone system via an analog FXS port, ATA or contact closure such as a night bell.

For specific Office Ringer and Loud Ringer functionality with heritage Nortel/Avaya M2000, M3900, M7000, and T7000 terminals, the following application notes are provided (in Adobe Acrobat PDF format):

(If you not sure which Nortel telephone model or system you have, please refer to our Nortel Telephone Identifier Chart or contact Algo Support)

Telephone Model / System Application Note
M2006 AN-0105
M2008 AN-0105
M2216 AN-0105
M2616 AN-0105
M2250 Console AN-0109
M3901 AN-0106
M3902 AN-0107
M3903 AN-0107
M3904 AN-0108
M3905 AN-0107
M7100 AN-0100
M7208 AN-0101
M7310 AN-0101
M7324 AN-0101

T7100 AN-0100
T7316 AN-0101
T7208 AN-0101
T7406 AN-0110

Analog Trunk AN-0102
Analog Station AN-0102
AuxRing Contacts AN-0103
Norstar Doorphone AN-0104

1825 Duet Plus Loud Ringer