PN 76.8820IM30-A
Tellabs 8820 Multi-service Switch Router System Installation
3-2
Equipment Overview
8820 MSR Chassis
Front Panel
8820 MSR Chassis
The 8820 MSR
occupies 5.25-inches (133mm), or three rack units (RUs), in
industry-standard racks.
Figure 3-1
8820 MSR Chassis, Front
Front Panel
The front panel of the 8820 MSR provides access to system ports and status indicators, and
includes the following components
Figure 3-2
8820 MSR System Panel
❑
Alarms out connector (DB25 female connector, supports up to six alarms)
❑
Two serial ports using a DB9 male connectors with RS-232 drivers, LCT1384
❑
One Ethernet (ENET) port (10/100 Base-T, RJ-45 connector)
❑
Status LEDs
❑
An alarm cutoff (ACO) button
Main port
AUX port