PN 76.8820IM30-A
Tellabs 8820 Multi-service Switch Router System Installation
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Ground the Equipment
To meet safety and EMI requirements and to ensure proper operation, the 8820 MSR must
be adequately grounded before power is connected. A threaded stud is provided on the
rear of the chassis for connecting the 8820 MSR to earth ground.
The safety ground wire should be a minimum 14 AWG UL listed stranded wire. The wire
will need a ring lug attached to the end which connects to the 8820 MSR chassis. The ring
lug will be connecting to the 8 x 32 threaded stud and secured in place with a nut provided
with the unit. The green or yellow safety ground cable is not provided by Tellabs.
For a description of connecting the 8820 MSR to earth ground (see Power Requirements, on
page 2-10).
AC Power
To minimize shock hazard, the 8820 MSR must be connected to an electrical ground. The
AC-version of the 8820 MSR is supplied with a three-conductor AC power cable. The
power cable must be plugged into an approved three-contact electrical outlet.
The power jack and mounting plug of the power cable complies with International
Electrotechnical Commission (IEC) safety standards,
DC Power
To minimize shock hazard, the 8820 MSR must be connected to an electrical ground. The
8820 MSR accommodates redundant power feeds. The unit can operate on only one feed
that meets the minimum requirements (see
for details). If the unit is installed in a
redundant power application, both feeds must be connected and compliant with the
minimum requirements.
C
AUTION
Do not apply power to the 8820 MSR until you have completed all
installation procedures provided in this manual.
C
AUTION
For centralized DC power connection. Install only in a restricted access area.
