Hardware options Page 53 of 174
M3900 Series Meridian Digital Telephones Description, Installation and Administration
• Accessory Connection Module (ACM) (NTMN71AA)
• One of the following wall transformers to power the FDHF cartridge:
—110V wall transfer (NTMN80AA)
—220V wall transformer (NTMN80BA)
—EU 230V wall transformer (NTHC08AA)
—UK230Vwalltransformer(NTHC09AA)