Hardwareoptions Page49 of 174
M3900Series Meridian Digital Telephones Description,Installation and Administration
Analog Terminal Adapter (ATA)
TheAnalog Terminal Adapter (ATA) lets you connect an analog device such
asa fax machine or modem to your telephone. Youcan havesimultaneous use
ofthe telephone and the analog device. The ATA is available for the M3902,
M3903,M3904 and the M3905 models.
Computer Telephony Integration Adapter (CTIA)
TheComputer Telephony Integration Adapter (CTIA) along with the TAPI
softwareprovides an interface to connect a Personal Computer (PC) to the
M3900 telephone.
AnR S-232C cable is required to connect the PC to the CTIA. The CTIA
connectsto the M3900 Series telephone through the Accessory Connection
Module(ACM). The CTIA is a small cartridge accessory and can be inserted
into either the small or large footstand opening.
TheCTIA is powered through the ACM. The ACM receives power through
thetelephone via the telephone line cord which is connected to a Teladapt
walltransformer power supply (see Figure 13 on page 93). Check with your
NortelNetworks distributor for the recommended wall transformer for the
M3900accessories. Install the Accessory Connection Module (ACM) into
yourM3 900 Series Meridian Digital Telephone (refer to the ACM
InstallationSheet) before you install your CTIA.
TheCTIA cartridge provides the user:
• connectivityto the PC
• voicecall control
Telephone Application Programming Interface(TAPI) software
TAPIsoftware accompanies your CTIA Cartridge. The TAPI software allows
a userto program telephone-line-based devices to work independently from
theircomputer or other devices.