Part Number Description
EM-4BRI-NT/TE-RF 4pt voice/fax expansion module - BRI REMANUFACTURED
EM-HDA-6FXO-RF 6pt voice/fax expansion module - FXO REMANUFACTURED
EM-HDA3FXS/4FXO-RF 7-port voice/fax expansion module - 3FXS/4FXO REMANUFACTURED