CopperOptics 150-2618-01, Manual

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950-818-100-01, Revision 01 Overview
PCS-818 List 1 November 30, 1999 1
O
VERVIEW
The PairGain
®
PG-Flex
Plus TM
19-inch Central Office Terminal (COT) shelf, PCS-818 List 1, supports a common
management and alarm unit, an E1 multiplexer unit, and up to sixteen Central Office Line Units (COLUs).
D
ESCRIPTION AND
F
EATURES
The PCS-818 provides convenient mounting of a COT shelf PG-Plus Alarm Unit (PAU) or PG-Plus Alarm
Management Unit (PMU) and Central Office Line Units (COLUs); and furnishes termination points for subscriber
circuits, alarm, power, and E1 interfaces. All circuit boards are installed from the front of the COT shelf.
Interconnections for PG-Plus units are located on the backplane at the rear of the COT shelf. The PCS-818 COT
shelf accommodates the following PG-Plus units (see
Figure 1 ):
• 16 COLUs
• One Multiplexer Unit (PMX)
• One PAU or one PG-Plus Management Unit.
Figure 1. Front View of the PCS-818 List 1 COT Shelf
The COT shelf features:
•
Wire-wrap connections for HDSL, alarm cutoff, and alarm relays
•
Screw terminal connections for frame ground and Central Office (CO) battery
•
DB-9 connector for network management communications
•
64-pin Telco connectors for CO lines
•
Fits into a Electronic Industries Association (EIA) 19-inch and European Telecommunications Standards
Institute (ETSI) frames
•
Wire-wrap connections for G.703 data and reference clock interfaces
•
Ethernet 10Base-2 and 10Base-T connections for network management or multi-shelf communications.
PAU/PMU
slot (J1) PMX
slot (J2)
Central office line units
(J3-J18)