Common use of DCS Technical Requirements Clause in Contracts

DCS Technical Requirements. 7.6.1 DCS shall provide completed end-to-end cross connection of the channels designated by AT&T. 7.6.2 DCS shall perform facility grooming, multipoint bridging, one-way broadcast, two-way broadcast, and facility test functions, where technically feasible. 7.6.3 DCS shall provide multiplexing, format conversion, signaling conversion, or other functions, where technically feasible. 7.6.4 The end-to-end cross connection shall be input to the underlying device used to provide DCS from an operator at a terminal or via an intermediate system. The cross connection assignment shall remain in effect whether or not the circuit is in use. 7.6.5 U S WEST shall administer and maintain DCS. 7.6.6 Where available, U S WEST shall provide various types of DCSs, including: 7.6.6.1 DS-0 cross-connects (typically termed DCS 1/0); 7.6.6.2 DS1/VT1.5 (Virtual Tributaries at the 1.5Mbps rate) cross-connects (typically termed DCS 3/1); 7.6.6.3 DS-3 cross-connects (typically termed DCS 3/3); 7.6.6.4 STS-1 cross-connects; and 7.6.6.5 other technically feasible cross-connects designated by AT&T. 7.6.7 U S WEST shall provide immediate and continuous configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on demand), where available, based on engineering forecasts. 7.6.8 U S WEST shall provide scheduled configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on the schedule designated by AT&T) or, at AT&T's option, permit AT&T to control such configurations and reconfigurations, where available, based on engineering forecasts. 7.6.9 DCS shall continuously monitor protected circuit packs and redundant common equipment. 7.6.10 DCS shall automatically switch to a protection circuit pack on detection of a failure or degradation of normal operation. 7.6.11 DCS equipment shall be equipped with a redundant power supply or a battery back-up. 7.6.12 U S WEST shall have available and utilize spare maintenance facilities and equipment necessary for provisioning repairs. 7.6.13 At AT&T's option, U S WEST shall provide, where available, AT&T with real time performance monitoring and alarm data on the signals and the components of the underlying equipment used to provide DCS that actually impact or might impact AT&T's services. For example, this may include hardware alarm data and facility alarm data on a DS-3 in which an AT&T DS-1 is traversing. Attachment 3 7.6.14 At AT&T's option, U S WEST shall provide AT&T with real time ability to initiate tests on integrated equipment used to test the signals and the underlying equipment used to provide DCS, as well as other integrated functionality for routine testing and fault isolation where available. 7.6.15 Where available, DCS shall provide SONET to asynchronous gateway functionality (e.g., STS-1 to DS-1 or STS-1 to DS-3).

DCS Technical Requirements. 7.6.1 DCS shall provide completed end-to-end cross connection of the channels designated by AT&T. 7.6.2 DCS shall perform facility grooming, multipoint bridging, one-way broadcast, two-way broadcast, and facility test functions, where technically feasible. 7.6.3 DCS shall provide multiplexing, format conversion, signaling conversion, or other functions, where technically feasible. 7.6.4 The end-to-end cross connection shall be input to the underlying device used to provide DCS from an operator at a terminal or via an intermediate system. The cross connection assignment shall remain in effect whether or not the circuit is in use. 7.6.5 U S WEST shall administer and maintain DCS. 7.6.6 Where available, U S WEST shall provide various types of DCSs, including: 7.6.6.1 DS-0 cross-connects (typically termed DCS 1/0); 7.6.6.2 DS1/VT1.5 (Virtual Tributaries at the 1.5Mbps rate) cross-connects (typically termed DCS 3/1); 7.6.6.3 DS-3 cross-connects (typically termed DCS 3/3);; Attachment 3 7.6.6.4 STS-1 cross-connects; and 7.6.6.5 other technically feasible cross-connects designated by AT&T. 7.6.7 U S WEST shall provide immediate and continuous configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on demand), where available, based on engineering forecasts. 7.6.8 U S WEST shall provide scheduled configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on the schedule designated by AT&T) or, at AT&T's option, permit AT&T to control such configurations and reconfigurations, where available, based on engineering forecasts. 7.6.9 DCS shall continuously monitor protected circuit packs and redundant common equipment. 7.6.10 DCS shall automatically switch to a protection circuit pack on detection of a failure or degradation of normal operation. 7.6.11 DCS equipment shall be equipped with a redundant power supply or a battery back-up. 7.6.12 U S WEST shall have available and utilize spare maintenance facilities and equipment necessary for provisioning repairs. 7.6.13 At AT&T's option, U S WEST shall provide, where available, AT&T with real time performance monitoring and alarm data on the signals and the components of the underlying equipment used to provide DCS that actually impact or might impact AT&T's services. For example, this may include hardware alarm data and facility alarm data on a DS-3 in which an AT&T DS-1 is traversing. Attachment 3 7.6.14 At AT&T's option, U S WEST shall provide AT&T with real time ability to initiate tests on integrated equipment used to test the signals and the underlying equipment used to provide DCS, as well as other integrated functionality for routine testing and fault isolation where available. 7.6.15 Where available, DCS shall provide SONET to asynchronous gateway functionality (e.g., STS-1 to DS-1 or STS-1 to DS-3).

DCS Technical Requirements. 7.6.1 11.6.1 DCS shall provide completed end-to-end cross connection of the channels designated by AT&T. 7.6.2 DCS shall perform facility grooming, multipoint bridging, one-way broadcast, two-way broadcast, and facility test functions, where technically feasibleAdvent. 7.6.3 11.6.2 Where technically available in BellSouth's DCS system and supported by BellSouth's network management software, DCS shall provide multiplexing, format conversion, signaling conversion, or other functions, where technically feasible. 7.6.4 11.6.3 The end-to-end cross connection assignment shall be input to the underlying device used to provide DCS from an operator at a terminal or via an intermediate system. The cross connection assignment shall remain in effect whether or not the circuit is in use. 7.6.5 U S WEST 11.6.4 BellSouth shall continue to administer and maintain DCS, including updates to the control software to current available releases. 7.6.6 Where available, U S WEST 11.6.5 BellSouth shall provide various types of DCSs, Digital Cross-Connect Systems including: 7.6.6.1 DS-0 11.6.5.1 DS0 cross-connects (typically termed DCS 1/0); 7.6.6.2 11.6.5.2 DS1/VT1.5 (Virtual Tributaries at the 1.5Mbps rate) cross-connects (typically termed DCS 3/1); 7.6.6.3 DS-3 11.6.5.3 DS3 cross-connects (typically termed DCS 3/3); 7.6.6.4 11.6.5.4 STS-1 cross-connects; and 7.6.6.5 other 11.6.5.5 Other technically feasible cross-connects designated by AT&T. 7.6.7 U S WEST shall provide immediate and continuous configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on demand), where available, based on engineering forecastsAdvent. 7.6.8 U S WEST shall provide scheduled configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on the schedule designated by AT&T) or, at AT&T's option, permit AT&T to control such configurations and reconfigurations, where available, based on engineering forecasts. 7.6.9 11.6.6 DCS shall continuously monitor protected circuit packs and redundant common equipment. 7.6.10 11.6.7 Where technically available in BellSouth’s DCS System, DCS shall automatically switch to a protection circuit pack on detection of a failure or degradation of normal operation. 7.6.11 11.6.8 The underlying equipment used to provide DCS equipment shall be equipped with a redundant power supply or a battery back-up. 7.6.12 U S WEST 11.6.9 BellSouth shall have make available and utilize to Advent spare maintenance facilities and equipment necessary for provisioning repairs, as it does for itself and for its own customers. 7.6.13 At AT&T's option11.6.10 Where technically available in BellSouth’s DCS System and supported by BellSouth’s network management software, U S WEST DCS shall provide, perform optical to electrical conversion where available, AT&T with real time performance monitoring and alarm data on the signals and the components of the underlying equipment used to provide DCS that actually impact contains optical interfaces or might impact AT&T's services. For exampleterminations (e.g., this may include hardware alarm data and facility alarm data Optical Carrier level 3, i.e., OC-3, interfaces on a DS-3 DCS 3/1). 11.6.11 Where technically available in which an AT&T DS-1 is traversing. Attachment 3 7.6.14 At AT&T's optionBellSouth’s DCS System and supported by BellSouth’s network management software, U S WEST DCS shall provide AT&T with real time ability to initiate tests on integrated equipment used to test the signals and have SONET ring terminal functionality where the underlying equipment used to provide DCS, DCS acts as well as other integrated functionality for routine testing and fault isolation where availablea terminal on a SONET ring. 7.6.15 11.6.12 Where availabletechnically available in BellSouth’s DCS System and supported by BellSouth’s network management software, DCS shall provide SONET multipoint bridging of multiple channels to asynchronous gateway functionality (e.g.other DCSs. Advent may designate multipoint bridging to be one-way broadcast from a single master to multiple tributaries, STS-1 to DS-1 or STS-1 to DS-3)two-way broadcast between a single master and multiple tributaries. 11.6.13 Where technically available in BellSouth’s DCS System and supported by BellSouth’s network management software, DCS shall multiplex lower speed channels onto a higher speed interface and demultiplex higher speed channels onto lower speed interfaces as designated by Advent. 11.6.14 Where technically available in BellSouth’s DCS System and supported by BellSouth’s network management software, DCS shall perform signaling conversion and data conditioning as designated by Advent.

DCS Technical Requirements. 7.6.1 8.6.1. DCS shall provide completed end-to-end cross connection of the channels designated by AT&T. 7.6.2 8.6.2. DCS shall perform facility grooming, multipoint bridging, one-way broadcast, two-way broadcast, and facility test functions, where technically feasible. 7.6.3 8.6.3. DCS shall provide multiplexing, format conversion, signaling conversion, or other functions, where technically feasible. 7.6.4 8.6.4. The end-to-end cross connection assignment shall be input to the underlying device used to provide DCS from an operator at a terminal or via an intermediate system. The cross connection assignment shall remain in effect whether or not the circuit is in use. 7.6.5 U S WEST 8.6.5. GTE shall continue to administer and maintain DCS, including updates to the control software to current available releases. 7.6.6 Where available, U S WEST 8.6.6. GTE shall provide various types of DCSs, Digital Cross-Connect Systems including: 7.6.6.1 DS-0 8.6.6.1. DSO cross-connects (typically termed DCS 1/0); 7.6.6.2 8.6.6.2. DS1/VT1.5 (Virtual Tributaries at the 1.5Mbps rate) cross-cross- connects (typically termed DCS 3/1); 7.6.6.3 DS-3 8.6.6.3. DS3 cross-connects (typically termed DCS 3/3); 7.6.6.4 8.6.6.4. STS-1 cross-connects; and 7.6.6.5 other 8.6.6.5. Other technically feasible cross-connects designated by AT&T. 7.6.7 U S WEST 8.6.7. GTE shall provide immediate and continuous configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST GTE shall establish the processes to implement cross connects on demand, or, at AT&T's option, permit AT&T control of such configurations and reconfigurations), where available, based on engineering forecasts. 7.6.8 U S WEST 8.6.8. GTE shall provide scheduled configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST GTE shall establish the processes to implement cross connects on the schedule designated by AT&T) , or, at AT&T's option, permit AT&T to control such configurations and reconfigurations, where available, based on engineering forecasts). 7.6.9 8.6.9. DCS shall continuously monitor protected circuit packs and redundant common equipment. 7.6.10 8.6.10. DCS shall automatically switch to a protection circuit pack on detection of a failure or degradation of normal operation. 7.6.11 8.6.11. The underlying equipment used to provide DCS equipment shall be equipped with a redundant power supply or a battery back-up. 7.6.12 U S WEST 8.6.12. GTE shall have make available and utilize to AT&T spare maintenance facilities and equipment necessary for provisioning repairs. 7.6.13 8.6.13. At AT&T's option, U S WEST GTE shall provide, where available, provide AT&T with real time Real Time performance monitoring and alarm data on the signals and the components of the underlying equipment used to provide DCS that actually impact or might impact AT&T's services. For example, this may include hardware alarm data and facility alarm data on a DS-3 DS3 in which an AT&T DS-1 DS1 is traversing. 8.6.14. Attachment 3 7.6.14 At AT&T's option, U S WEST GTE shall provide AT&T with real time Real Time ability to initiate tests on integrated equipment used to test the signals and the underlying equipment used to provide DCS, as well as other integrated functionality for routine testing and fault isolation where availableisolation. 7.6.15 Where available, 8.6.15. DCS shall provide SONET to asynchronous gateway functionality (e.g., STS-1 to DS-1 DS1 or STS-1 to DS-3DS3). 8.6.16. DCS shall perform optical to electrical conversion where the underlying equipment used to provide DCS contains optical interfaces or terminations (e.g., Optical Carrier level 3, i.e., OC-3 interfaces on a DCS 3/1). 8.6.17. DCS shall have SONET ring terminal functionality where the underlying equipment used to provide DCS acts as a terminal on a SONET ring. 8.6.18. DCS shall provide multipoint bridging of multiple channels to other DCSs. AT&T may designate multipoint bridging to be one-way broadcast from a single master to multiple tributaries, or two- way broadcast between a single master and multiple tributaries. 8.6.19. DCS shall multiplex lower speed channels onto a higher speed interface and demultiplex higher speed channels onto lower speed interfaces as designated by AT&T. 8.6.20. DCS shall perform signaling conversion and data conditioning as designated by AT&T. Such functions shall comply, at a minimum, with AT&T Technical Reference TR 62421 ACCUNET Spectrum of Digital Services, December 1989 and AT&T Technical Xxxxxxxxx XX 00000 XXX Digital Local Channel Description and Interface Specification, August 1993, including current addendums.

DCS Technical Requirements. 7.6.1 DCS shall provide completed end-to-end cross connection of the channels designated by AT&T.Pac-West. 7.6.2 DCS shall perform facility grooming, multipoint bridging, one-way broadcast, two-way twoway broadcast, and facility test functions, where technically feasible. 7.6.3 DCS shall provide multiplexing, format conversion, signaling conversion, or other functions, where technically feasible. 7.6.4 The end-to-end cross connection shall be input to the underlying device used to provide DCS from an operator at a terminal or via an intermediate system. The cross connection assignment shall remain in effect whether or not the circuit is in use. 7.6.5 U S WEST shall administer and maintain DCS. 7.6.6 Where available, U S WEST shall provide various types of DCSs, including: 7.6.6.1 DS-0 cross-connects (typically termed DCS 1/0); 7.6.6.2 DS1/VT1.5 (Virtual Tributaries at the 1.5Mbps rate) cross-connects (typically termed DCS 3/1); 7.6.6.3 DS-3 cross-connects (typically termed DCS 3/3); 7.6.6.4 STS-1 cross-connects; and 7.6.6.5 other technically feasible cross-connects designated by AT&T.Pac-West. 7.6.7 U S WEST shall provide immediate and continuous configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on demand), where available, based on engineering forecasts. 7.6.8 U S WEST shall provide scheduled configuration and reconfiguration of the channels between the physical interfaces (i.e., U S WEST shall establish the processes to implement cross connects on the schedule designated by AT&TPac-West) or, at AT&T's Pac-West s option, permit AT&T Pac-West to control such configurations and reconfigurations, where available, based on engineering forecasts. 7.6.9 DCS shall continuously monitor protected circuit packs and redundant common equipment. 7.6.10 DCS shall automatically switch to a protection circuit pack on detection of a failure or degradation of normal operation. 7.6.11 DCS equipment shall be equipped with a redundant power supply or a battery back-upbackup. 7.6.12 U S WEST shall have available and utilize spare maintenance facilities and equipment necessary for provisioning repairs. 7.6.13 At AT&TPac-West's option, U S WEST shall provide, where available, AT&T Pac-West with real time performance monitoring and alarm data on the signals and the components of the underlying equipment used to provide DCS that actually impact or might impact AT&TPac-West's services. For example, this may include hardware alarm data and facility alarm data on a DS-3 in which an AT&T Pac-West DS-1 is traversing. Attachment 3. 7.6.14 At AT&TPac-West's option, U S WEST shall provide AT&T Pac-West with real time ability to initiate tests on integrated equipment used to test the signals and the underlying equipment used to provide DCS, as well as other integrated functionality for routine testing and fault isolation where available. 7.6.15 Where available, DCS shall provide SONET to asynchronous gateway functionality (e.g., STS-1 to DS-1 or STS-1 to DS-3).