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ATACHMENT6: 251(C)(3) UNE/SOUTHWESTERN BELL TELEPHONE, L.P.
SBC TEXAS/CLEC JOINT PETITIONERS
PAGE 17 of 42
082505
environment where the Inside Wire subloop is owned or controlled by SBC Texas. The Parties acknowledge
and agree that a transmission facility to a CMRS facility does not have to be unbundled. The local loop
UNE includes all features, functions and capabilities of the transmission facility, including attached
electronics (except those electronics used for the provision of advanced services, such as Digital Subscriber
Line Access Multiplexers), and CLEC requested line conditioning (subject to applicable charges in Appendix
Pricing). The local loop UNE includes, but is not limited to DS1, DS3, fiber, and other high capacity loops to
the extent required by applicable law.
4.2.1 SBC TEXAS must provide timely access to unbundled loops offered under the terms of this agreement.
SBC TEXAS’ timeliness will be measured as required by the provisions in Attachment: Performance
Measurements.
4.3 SBC TEXAS shall provide at the rates, terms, and conditions set out in this Attachment and Attachment
Pricing, the types of UNE loops in sections 4.3.1- 4.3.6. When CLEC orders an 251(c)(3) Unbundled loop,
CLEC will be provided a termination on whatever demarcation device, if any, connects the loop to the
customer premises or a compatible interface device or NID on a SBC TEXAS owned or controlled telephone
pole where the CLEC Radio Port connects with SBC TEXAS’ network, without additional charge.
4.3.1 The standard for 2-Wire analog loop is loss not exceeding 8 dB. SBC will offer 2-Wire analog loop not to
exceed 5dB as an option which supports analog voice frequency, voice band services with loop start
signaling within the frequency spectrum of approximately 300 Hz and 3000 Hz.
4.3.2 The 4-Wire analog loop provides a non-signaling voice band frequency spectrum of approximately 300 Hz to
3000 Hz. The 4-Wire analog loop provides separate transmit and receive paths.
4.3.3 The 2-Wire 160 Kbps digital interface loop (ISDN-BRI) facilities transmission of digital signals at 160 Kbps
and provides 2 B plus D channels.
4.3.4 Intentionally Left Blank.
4.3.5 A DS1 Digital Loop 1.544 Mbps digital interface loop facilities transmission of digital signals at 1.544 Mbps
and terminates in a 4-wire electrical interface at both ends.
4.3.5.1 DS1 loops (where they have not been Declassified and subject to caps set forth in Section 4.3.6.2).
However, notwithstanding this Section 4.3.5.1, access to 251(c)(3) UNEs is provided under this Agreement
over such routes, technologies, and facilities as SBC TEXAS may elect at its own discretion.
4.3.6 DS1 UNE Digital Loops will be offered and/or provided only where such Loops have not been Declassified.
4.3.6.1 The procedures set forth below will apply in the event DS1 Digital Loops (DS1) are or have been
Declassified.
4.3.6.2 DS1 Loop “Caps”
SBC TEXAS is not obligated to provide to CLEC more than ten (10) DS1 251(c)(3) UNE loops per
requesting carrier to any single building in which DS1 Loops have not been otherwise Declassified;
accordingly, CLEC may not order or otherwise obtain, and CLEC will cease ordering 251(c)(3) Unbundled
DS1 Loops once CLEC has already obtained ten DS1 251(c)(3) UNE Loops at the same building. If,
notwithstanding this Section, CLEC submits such an order, at SBC TEXAS’ option it may accept the order,
but convert any requested DS1 251(c)(3) UNE Loop(s) in excess of the cap to Special Access, and