Installation guide

ADC Telecommunications, Inc.
20 C
HAPTER 1: HARDWARE OVERVIEW
You can access these components from the rear of the chassis:
Component Description
Power Studs Four 1/4” threaded power studs provide
connection to two power sources. A
source/return pair is offered for both power
sources—A and B.
RJ-21 Ethernet Ports These Champ-style RJ-21 interfaces provide
network connectivity to the octal (8-port) 10/100
Ethernet modules for slots 1 through 11 through
an external cable and patch panel.
Cable Clasps Eleven cable clasps provide for cable
management and organization on the rear panel.
Earth Grounding Terminals Two threaded grounding studs support chassis
connections to earth ground using an
anti-rotational lug.
Backplates Each rear chassis slot is covered with a blank
backplate, or a backplate appropriate to the
application module that resides in the slot.
ESD Grounding Jack Provides a single ESD grounding jack for
connection to an ESD wrist strap.
Analog Connectors Two DB-15 receptacles allow for analog
connections for status and alarm monitoring of
fan tray, power supplies, and system events. The
receptacle on the left is for input, the receptacle
on the right is for output.
Building Integrated Timing
Supply (BITS) Clock
Connectors
Optional Feature: Two BNC connectors allow
connection to an external BITS clock.
Slot 1 RF connectors Slot 1 is shipped DOCSIS/EuroDOCSIS-ready with
a permanently fixed DOCSIS module backplate
containing six upstream ports and two
downstream ports.
Alarms In This DB-15 receives fault signals from the
connected devices. Facing the rear of the chassis,
this is the serial connector on the right.
Alarms Out Transmits fault signals to an external indication
device. Facing the rear of the chassis, this is the
serial connector on the left. To connect to an
external alarm indication device, see the
instructions for the device to which you are
cabling.