Specifications

Table Of Contents
The 2500 MMGL and 2500 YMGL, 2500 MMGM and
2500 YMGM, and 2554 MMGM and 2554 YMGM
Telephones
Issue 11 December 1999
14-23
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 especially suitable for
manufacturing, warehousing, guard stations, or power failure locations.
Physical Description
Dimensions
NOTE:
The following dimensions for the four 2500 desk models are approximate.
Width = 5.37 inches
Depth (front to back) = 9 inches
Height (maximum with handset in place) = 3.81 inches
NOTE:
The following dimensions for the two 2554 wall models are approximate.
Width = 4 inches
Depth (front to back) = 8.5 inches
Height (maximum with handset in place) = 4.5 inches
Features on the 2500 YMGL, 2500 YMGM, and
2554 YMGM Telephones
The 2500 YMGL, 2500 YMGM, and 2554 YMGM telephones have four fixed
feature buttons:
MUTE button
FLASH button
REDIAL button
HOLD button
MUTE button
Pressing and holding the MUTE button down blocks your conversation from being
heard by the other party.