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1.1.4 Applications
Telect’s BCS 4R System is ideal for central offices and other DSX-3 distributive activities
including
•
high-density central offices
•
other DS3 network applications
•
cutover / acceptance activities
•
restoration of service activities
•
routing maintenance activities
as well as normal DCS interconnects, or wherever reliable, low-cost DSX-3 connectivity is
a must.
1.1.5 Cutover / Acceptance Activities
BCS 4R DSX-3 simplifies equipment installation and cutover by providing temporary digital line
patch cord connections during new equipment installation. After the new equipment has been
wired to the DSX, cross-connections are made to connect the new equipment in its final office
configuration. Removing the wiring from the DSX to the old equipment and taking down the patch
cords completes the cutover.
1.1.6 Restoration of Service Activities
Malfunctioning equipment is readily identified at the BCS 4R DSX-3 by equipment
sectionalization (circuit split-test in both directions) and by patching substitute equipment for
verification. Digital line patch cords at the DSX can immediately restore any out-of-service facility,
whether caused by a cable cut, malfunctioning equipment, etc. Rather than using jacks located at
the individual units, manual restoration patching can be done at a centralized location — at the
DSX. When the equipment or cable is repaired or routing for preventive maintenance is
accomplished, the facility can be returned to its original configuration by simply removing the
patch cords.
1.1.7 Routine Maintenance Activities
Periodic testing of facility parameters assures maintenance of adequate service levels. By
terminating all digital office equipment at one central point — at the BCS 4R DSX-3 — overall
testing can be performed from the central location. Periodic testing at DSX test jacks, connected
directly to digital equipment inputs and outputs, identifies marginal equipment.
Circuit order work is another important routine maintenance activity. Major changes in traffic
patterns may leave a surplus of capacity at a vacated area and a shortage at another. Traffic
pattern changes are rapidly accomplished by reconfiguring cross-connect jumpers at the DSX.
The ability to make these changes at the DSX makes major rewiring unnecessary and results in
a reduction of skilled manpower and time requirements.
