Lucent Technologies DEFINITY Enterprise Communications Server, System 75, System 85 Instructions Manual

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-23 The 2500 MMGL and 2500 YMGL, 2500 MMGM and 2500 YMGM, and 2554
14
Figure 14-9. The 2554 MMGM and 2554 YMGM Wall-Model Telephones
Like earlier 2500 Series telephones, the 2500 MMGL, 2500 YMGL, 2500 MMGM,
and 2500 YMGM desk model telephones, and the 2554 MMGM and 2554 YMGM
wall model telephones are single appearance analog...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-24 The 2500 MMGL and 2500 YMGL, 2500 MMGM and 2500 YMGM, and 2554
14
Applications
The 2500 MMGL, 2500 YMGL, 2500 MMGM, 2500 YMGM, 2554 MMGM, and
2554 YMGM telephones can be used with the DEFINITY Communications
System Generic 1, Generic 2, and Generic 3, the DEFINITY ECS, System 75, and
System 85. These 2500 Series telephones are...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-25 The 2500 MMGL and 2500 YMGL, 2500 MMGM and 2500 YMGM, and 2554
14
FLASH button
The FLASH button performs the same function as flashing the switchhook; that is,
it provides access to system features or use of custom calling services that
require a press of the switchhook.
REDIAL button...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-26 The 2500 MMGL and 2500 YMGL, 2500 MMGM and 2500 YMGM, and 2554
14
Cords
Two cords are supplied with all four of these 2500 Series model telephones: a
coiled 6-foot modular handset cord and a 7-foot modular line cord. Optional longer
cords are available: a 12-foot handset cord, and 14-foot and 25-foot line cords.
Ringing
All of...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-27 The 2500 MMGL and 2500 YMGL, 2500 MMGM and 2500 YMGM, and 2554
14
Power Requirements
All of these 2500 Series telephones are powered by the tip and ring leads. These
telephones do not require any external power supply.
Switch Administration
These 2500 series telephones must be administered in the following ways:
nIf the 2500...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-28 The 2500 MMGL and 2500 YMGL, 2500 MMGM and 2500 YMGM, and 2554
14
2500 MMGL and 2500 YMGL Equipment PECs
The 2500 MMGL and 2500 YMGL telephones can no longer be ordered. The
2500 MMGM and 2500 YMGM, and the 2554 MMGM and 2554 YMGM
telephones and optional components can be ordered with the following PECs:
n2500 MMGM Basic...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-29 The 2500 MMGN and 2500 YMGP and 2554 MMGN and 2554 YMGP Telephones
14
The 2500 MMGN and 2500 YMGP and 
2554 MMGN and 2554 YMGP 
Telephones 
Figure 14-10. The 2500 MMGN and 2500 YMGP Telephones
Line Jack
(on back
Handset
Cord Jack
6
Telephone
Light*
of phone)
Mute Button*
Flash Button*
Redial Button*
Hold Button*
Hold Light*...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-30 The 2500 MMGN and 2500 YMGP and 2554 MMGN and 2554 YMGP Telephones
14
Figure 14-11. The 2554 MMGN and 2554 YMGP Wall-Model Telephones
The newest 2500 telephones are the 2500 MMGN and 2500 YMGP desk model
telephones, and the 2554 MMGN and 2554 YMGP wall model telephones. These
models will take the place of the 2500 MMGM, 2500...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-31 The 2500 MMGN and 2500 YMGP and 2554 MMGN and 2554 YMGP Telephones
14
Applications
The 2500 MMGN, 2500 YMGP, 2554 MMGN, and 2554 YMGP telephones can be
used with the DEFINITY Communications System Generic 1, Generic 2, and
Generic 3, the DEFINITY ECS, System 75, and System 85. These 2500 Series
telephones are especially suitable...

DEFINITY Enterprise Communications Server and System 75 and System 85
Terminals and Adjuncts Reference
555-015-201Issue 11
December 1999
The 500 and 2500 Series Telephones
14-32 The 2500 MMGN and 2500 YMGP and 2554 MMGN and 2554 YMGP Telephones
14
FLASH button
The FLASH button performs the same function as flashing the switchhook; that is,
it provides access to system features or use of custom calling services that
require a press of the switchhook.
REDIAL button...