Specifications

Table Of Contents
The 2500 MMGN and 2500 YMGP and 2554 MMGN
and 2554 YMGP Telephones
Issue 11 December 1999
14-33
Switch Administration
These 2500 series telephones must be administered in the following ways:
If the 2500 MMGN, 2500 YMGP, 2554 MMGN, or 2554 YMGP telephone is
connected to a System 75, DEFINITY G1 or G3, or a DEFINITY ECS, it
must be administered as a 2500 analog telephone.
If any of these 2500 Series telephones is connected to a System 85 or a
DEFINITY G2, it can be administered as an analog line.
Power Failure Operation
All of these 2500 Series telephones can be used as an emergency station during
power failure transfer conditions.
FCC Registration
These 2500 telephones are FCC-registered.
UL and CSA Approval
These telephones have been tested and have met the Underwriters Laboratories
(UL) Standards UL 1459 and have also met the Canadian Standards Association
(CSA) Standards CSA-C22.2 No.225-M90.
Hearing Aid Compatible
These telephones are compatible with the inductively coupled hearing aids
prescribed by the FCC.