Section 9, ATT-TP-76400 DETAIL ENGINEERING REQUIREMENTS
AT&T January, 2012
4.) Legacy AT&T shall use the BNC connectors listed in 1.), 2.) and 3.) above within the same
regions cited. In all other areas, the existing BNC choice shall be used.
Each of these specific brand-name crimp tools will be required to crimp these same brand-
name connectors and are not interchangeable except when allowed by a specific connector
manufacturer. It is important to understand that the tools specifically identified as Newhall
Pacific Tools are now available only through Conway Communications and are used ONLY
for crimping the center pin and outer hex sleeve of the Kings connectors. Also, the center pin
Trompeter Electronics crimp tool must be used ONLY for crimping the center pin of the
Trompeter connector. Finally, the center pin ADC crimp tool must be used ONLY for
crimping the center pin of the ADC connector. NEVER interchange brand-name tools,
otherwise BNC connector failures WILL OCCUR.
Legacy SBC - AT&T BNC Regions: (22 States)
West: CA, NV
Southwest: AR, KS, OK, MO, TX
Midwest: IL, IN, MI, OH, WI,
Southeast: AL, FL, GA, KY, LA, MS, NC, SC, TN
East: CT
Legacy AT&T BNC Regions: (50 States)
5.6.8 The hardwired cables from the connecting equipment to the DSX-3, or from the connecting
equipment directly cabled to the DCS, shall be provided in one of the following two ways, as
authorized by the AT&T Equipment Engineer:
A.) One end factory crimped and the OTHER end field crimped, within an AT&T central office,
by an AT&T approved Installation Supplier. This is the preferred method.
B.) Bulk coaxial cable requiring field crimping, within an AT&T central office, by an AT&T
approved installation supplier on BOTH ends.
5.6.9 In large offices, DCS equipment shall be terminated on different DSX-3 bays to provide an
even spread of equipment. If multiple line-ups are present at that location an even distribution
of terminations shall be provided.
5.6.10 All Network Equipment DS3s originating from an equipment unit should appear on the same
DSX-3 bay.
5.6.11 The maximum number of bays in a DSX-3 lineup shall not exceed 20, but the most critical
issue is the maximum cross connect length.
5.6.12 In the 7-foot environment, two horizontal troughs, one on the bottom and one at 7 feet 6
inches shall be provided. In the case of the 11’6”, three troughs, one on the bottom, one at
7’6” and one at the top of the bays shall be provided.
5.6.13 DSX3 lineup interconnects should not exceed three parallel adjacent lineups.
5.6.14 Tracer lamp colors shall be as follows:
A.) DS3 shall be Red
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