Plexus 9000 Planning and Engineering Guide
Planning for Installation
Section 130-200-000
Issue 5, January 24, 2003
Telica, Inc.
6-9
6.1.5.2 Servicing
Requirements
Servicing clearances must be provided at the front and rear of an installed
chassis; they are not needed at the sides. It is recommended that there be
2.5 feet (30 inches) of open space in front of and behind the unit to support
access to the equipment for installation and removal of modules and for
maintenance. Aisle ways should be 4-feet wide. Refer to
Additional space must be provided for service personnel in which to work,
including space for tools and flat surfaces for modules prior to installation.
Table 6.1-D. Space Requirements
Item Requirement
Floor area of rack
26” x 18” (468 sq.”)
2.5 feet in front
Service clearance
2.5 feet in rear
Aisles 4
feet
6.1.5.3 Guard
Panels
Rack bottom guard panels for equipment protection may be required in
front, rear, or both. Unequal flange telephone racks usually have a 5-inch
front bottom guard, but often do not include a rear bottom guard.
6.1.5.4 Associated
Equipment
Additional rack space requirements may be necessary for mounting
auxiliary equipmentA, such as Ethernet hubs, modems, terminals, and
cross-connect panels that may be required for Plexus 9000 operation. If
required, this equipment can be obtained from Telica. Refer to
for a list of auxiliary equipment.
Table 6.1-E. Auxiliary Equipment
Component Purpose
Number
Required
Cross-Connect
Panels
DS-1 demarcation Dependent on # of DS-1s and
DSX capacity
Signaling Ethernet
Hub
LAN
interconnection
Dependent on configuration
OS Ethernet Hub
LAN
interconnection
Optional
Modem Remote
access
Optional
VT-100 Terminal
or PC
Craft connection
1
Note:
Auxiliary equipment can be obtained from Telica if necessary.