Mitel MIVOICE OFFICE 250, Installation And Administration Manual, Page: 248 / 585

MiVoice Office 250 Installation and Administration Guide
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Figure 5: Example MiVoice Office 250 DEI Chassis Front and Back View
NOTE
Prior to the 5000 Release v6.0, the optional external voice processing system would have been the
Voice Processing Unit (VPU
—
unsupported since v3.0) or Enterprise Messaging (unsupported as of
v6.0). Beginning with 5000 Release v6.0, NuPoint Unified Messaging (UM) is the supported external
voice processing system.
BA
Y
1
EXP 2
EXP 1
DEM-16
1 – 4 5 – 8 9 – 12 13 – 16
BA
Y
3
DEM-16
1 – 4 5 – 8 9 – 12 13 – 16
BA
Y
2
Power
To MiVoice Office 250 Base Server
To optional External Voice Mail or next DEI in series
DEI Chassis Back
DEI Chassis Front
Status Panel
Ground Lug (Earth ground)
DEM-16
Fuse
Module Bay
Cover
Remove Module
Battery Alarm LED
LED
PWR MODULE 1 MODULE 2 MODULE 3
ONBUSY ONBUSY ONBUSY
BU
SY
O
N
LI
N
E
BU
SY
O
N
LI
N
E