Out-of-Band Diagnostics, Deployment Guidelines

NOTE

The REACT 2001 GUI software Release 1.900 supports ANSI T1.107-1995.

Remote access is accomplished using a defined set of in- band DS0 byte sequences similar to the latching loopback sequence. Commands issued through the test system are recognized by the individual channel unit, which responds with the appropriate byte sequences. These in-band commands may be used to verify options via dialogs with REACT 2001 and TPI 108/109 test sets. Unit CLEI, serial number, provisioning, and performance information can be retrieved remotely using the Digital System 6 protocol.

on the Total Reach DDS-R. The Total Reach DDS-R displays provisioning information, Total Reach system status, performance monitoring information stored in 15 minute and 24 hour registers for both the Series 5 Total Reach DDS-DP and Total Reach DDS- R and an event log which time stamps system performance anomalies and threshold violations. Physical access to the terminal interface on the Total Reach DDS-R is made by a serial interface connection to a dumb terminal or dumb terminal emulation. Provisioning of the Series 5 Total Reach DDS-DP may be viewed but not changed from the terminal interface on the Total Reach DDS-R. Further information about the Total Reach DDS-R terminal interface and performance monitoring may be found in the Total Reach DDS-R practice part number 61291023L2-5A

NOTE

Due to SLC Series 5 channel bank BCU constraints, provisioning of the Series 5 Total Reach DDS-DP may be viewed but not changed via Digital System 6.

Out-of-Band Diagnostics

In addition to in-band access to Series 5 Total Reach DDS-DP performance diagnostics and provisioning via Digital System 6, access is also available out-of- band (non-intrusively) via the craft interface located

5. DEPLOYMENT GUIDELINES

The Series 5 Total Reach DDS-DP and Total Reach DDS-R use technology intended to eliminate the need for repeaters and concerns over impairments caused by typical noise and bridged tap. Listed below are the loop design guidelines for Total Reach DDS (see Table 5 and Table 6 for more information):

•All loops must be nonloaded.

•Actual Measured Loss (AML) should not exceed 50 dB at 13.3 kHz (135 Ω termination), the Nyquist

frequency of Total Reach DDS.

				4-Wire
				CPE Interface
ASC 9Eh	TR		TR	Test
	TR		OCU-R
	DDS		OCU-R
	DDS		Loopback	Set
	DP	Local Loop		Set
	DP
			Pushbutton
			Pushbutton
			Push once for Total Reach
			DDS-DP Loopback

Figure 6. Total Reach OCU-R Remote End Initiated Loopback, Local Loop

ASC 9Eh

DDS

4-Wire

CPE Interface

	ASC 9Eh		TR
			TR
			OCU-R
			OCU-R
			Loopback
	Local Loop		Loopback
	Local Loop		Pushbutton
			Pushbutton

Push twice for TROCU-R

Loopback

Test

Set

Figure 7. Total Reach OCU-R Remote End Initiated Loopback, Customer Loop

Section 61433105L2, Issue 4

61433105L2-5D

DDS-DP specifications

ADTRAN DDS-DP, or Digital Data Services-Digital Processor, is a robust network access solution designed to deliver high-performance data connectivity. Employed primarily in telecommunications, DDS-DP provides businesses with a reliable means of transmitting digital data over traditional copper infrastructure. This versatile technology is essential for organizations that require uninterrupted access to critical information and communication networks.

One of the primary features of ADTRAN DDS-DP is its ability to support multiple data rates, enabling organizations to choose the speed that best suits their operational requirements. With standard data rates typically ranging from 56 Kbps to 1.544 Mbps, DDS-DP caters to a variety of applications including point-of-sale systems, polling and monitoring services, and data gathering for remote installations. This flexibility makes it a go-to option for businesses across different verticals.

The technology behind DDS-DP incorporates advanced modulation techniques that allow efficient transmission over existing copper lines. By leveraging the capabilities of Digital Subscriber Line (DSL) technology and Time Division Multiplexing (TDM), DDS-DP ensures a seamless flow of data, while minimizing latency and maintaining quality of service. This aspect is particularly crucial for businesses that rely heavily on real-time data communication, such as financial institutions or healthcare facilities.

ADTRAN DDS-DP also includes robust error correction features, enhancing data integrity during transmission. By employing techniques such as Forward Error Correction (FEC), the system can detect and correct errors on-the-fly, which is vital for maintaining communication reliability. The system is designed to operate in various environments, whether in a central office or distributed remote locations.

Another key characteristic of DDS-DP is its backward compatibility with existing systems, allowing organizations to upgrade without a complete overhaul of their infrastructure. This ensures that businesses can continue to utilize their current hardware while benefiting from enhanced performance and capabilities.

Furthermore, ADTRAN's commitment to customer support and ongoing software updates facilitates the long-term viability of DDS-DP, allowing businesses to adapt to changing demands and technological advancements over time. In summary, ADTRAN DDS-DP stands out as a resilient and adaptable solution for organizations seeking to optimize their digital communication strategy, making it an essential component of modern data networks.