Installation, Testing | ADTRAN DDS-DP specs

Zero Code

When Zero Code is enabled, the Series 5 Total Reach DDS-DP allows DS0 bytes of all zeros to enter the T-carrier data stream. On Alternate Mark Inversion (AMI) facilities, this function should be disabled. B8ZS carrier facilities that accommodate 64 kbps clear channel operation do not require the zero code to be suppressed, therefore zero code is automatically enabled when the 64 kbps rate has been selected.

Rate Selections

When 64K (SW2-1) is ON, the Series 5 Total Reach DDS-DP operates at 64K Clear Channel.

When 19.2K (SW2-2) is ON, the Series 5 Total Reach DDS-DP operates at 19.2 kbps.

When SW56 (SW2-3) is ON, the Series 5 Total Reach DDS-DP enables Switched-56 operation.

NOTE

Only one rate should be selected. Service rates of 64 kbps, 19.2 kbps, and Switched-56 are not supported by the SLC Series 5 BCU. These operating modes must be provisioned by enabling switches on SW2. A manual rate setting overrides BCU rate settings. The Series 5 Total Reach DDS-DP does not support 38.4 kbps.

The Total Reach DDS-DP can also be used in the SLC- 2000 channel bank but the card must still be provisioned similar to the SLC-5 options. That is, 64 kbps operation the card is switch selected for 64 kbps while the assigned slot is selected for 56 kbps. For 19.2 kbps operation the card is switch selected for 19.2 kbps while the assigned slot is set for 9.6 kbps.

Signaling

When A/B SIGNALING (SW2-4) is OFF, the unit derives signaling from the incoming data stream. When A/B SIGNALING is ON, the unit determines the state of the A and B signaling bits using signals present on the backplane of the channel bank. This method assumes that proper signaling has been maintained throughout network tandems and cross-connect systems.

NOTE

A/B signaling option is only applicable when SW56 is selected; otherwise it is a “don’t care.”

Quality Monitor

When QM (SW2-5) is ON, the TR DDS-DP monitors the 2-wire loop and 4-wire customer interface for data errors. Excessive errors on the 2-wire loop cause the unit to send an alternating ASC (9Eh)/MOS (9Ah) to the network. Excessive errors on the 4-wire customer interface cause the unit to send an ASC to the network. In both cases customer transmission is blocked. When the trouble condition clears transmission is automatically restored.

2. INSTALLATION

C A U T I O N !

SUBJECT TO ELECTROSTATIC DAMAGE

OR DECREASE IN RELIABILITY.

HANDLING PRECAUTIONS REQUIRED.

After unpacking the unit, inspect it for damage. If damage is noted, file a claim with the carrier, then contact ADTRAN. See Warranty and Customer Service.

Tip/Ring Pair

The ADTRAN Series 5 Total Reach DDS-DP plugs directly into a SLC Series 5 channel bank. No special wiring is required. The 2-wire loop uses the T/R (Tip and Ring) of the odd pair, pins 31 and 32 of the SLC Series 5 backplane. The Total Reach DDS-R is not polarity sensitive, therefore the Series 5 Total Reach DDS-DP will operate even when the T/R pair is reversed.

Span Power

Span powering is accomplished using -130 Vdc measured from Tip to Ring. Voltage measured from Tip to GND should indicate -130 Vdc or less depending on input impedance of the measuring device. However, voltage measured from Tip to Ring should always indicate about -130 Vdc.

Synchronization and LED Indication

The Series 5 Total Reach DDS-DP and Total Reach DDS-R typically require 30 to 90 seconds to synchronize. When synchronized, the SYNC LOSS indicator LED will turn off. If synchronization cannot be achieved, check the T/R pair for open or short circuit conditions or load coils. Refer to Table 2 for synchronization and operational status indication

3. TESTING

Testing for the Series 5 Total Reach DDS-DP is accomplished using the same test procedures for 4-wire

61433105L2-5D

Section 61433105L2, Issue 4

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.

ADTRAN DDS-DP warranty Installation, Testing

Models: DDS-DP