Full Duplex Handsfree Cartridge Installation and Reference Card
Standard 2.00
2 of 3
N0023540
Table 1: FDHF compatibility
Analog Terminal
Adapter (ATA)
Computer
Telephony
Integration
Adapter (CTIA)
Personal
Directory
PC Utility
Meridian External
Alerter Recording
Interface (MEARI)
Full Duplex Handsfree
(FDHF)
No
1
Yes
Yes
Yes
2
Note 1.
FDHF and ATA can be interchanged but cannot be used simultaneously.
Note 2.
FDHF works with the MEARI external alerter functionality; however, the MEARI cannot be used for
recording when FDHF is in operation.
Status light
indicator
A red LED status light located on the FDHF cartridge indicates the status of the
cartridge.
•
Flashing red
indicates that the cartridge is operating normally.
•
Solid red
indicates that the cartridge is not operating normally. Contact your
system administrator.
•
Red light off
indicates that there is no power going to the cartridge or the
cartridge is not operating correctly. Check the power connections to the
cartridge. If problems continue, contact your system administrator.
Enabling Handsfree
on an existing
M3904 on the
Meridian 1 for use
with the FDHF
cartridge in LD 11
(see Note on page 3)
Prompt
Response
Description
REQ
CHG
Change a feature on an existing M3904
telephone.
TYPE
3904
Telephone type must be M3904. (3904=M3904)
Full Duplex Handsfree functionality requires an
M3904 Phase III telephone.
CLS
HFA
HFA = Handsfree Allowed
HFD = Handsfree Denied (default)
