CopperOptics 150-1319-41, Руководство пользователя

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Revision 01 July 31, 1997 Section 363-719-141
PG-Flex FCS-719 PairGain Engineering - Plant Series Page 1
A. PRODUCT OVERVIEW
1. Description and Features
1.1
The PairGain® PG-Flex
™ FCS-719 List 4A, 23-inch Central Office Terminal Shelf (COTS)
(Figure 1) supports:
•
one Alarm Unit or PGTC Interface Unit common to all systems
•
up to four PG-Flex subscriber carrier systems where each system comprises one line unit and
one to three channel units (for a shelf maximum of four line units and 12 channel units)
Additionally, the shelf provides termination points for alarms, power, metallic bypass pairs, auxiliary
power pairs when using a doubler, and subscriber circuits (located on the backplane at the rear of the
shelf). The List 4A shelf provides 25-pair male Amphenol connectors for the subscriber circuit
connections.
Figure 1. FCS-719 COTS (card-side, front view)
Use the List 4A FCS-719 COTS only with List 4x (or higher) FRE-765 Remote
Terminal Enclosures.
1.2
Features of the PG-Flex FCS-719 COTS are:
•
universal mounting brackets for installation into a 23-inch equipment bay
•
wire-wrap connections for HDSL, alarms, metallic bypass pairs, and auxiliary power pairs (when
using a doubler)
•
split or single battery feed for shelf powering
•
screw terminal connections for frame ground and Central Office (CO) battery
•
DB-25 connector for Network Management Administrative (NMA) communications
•
25-pair Amphenol connectors for subscriber circuit connections
•
25-pair Amphenol connector for PGTC test interface