Table 2. Rotary Switch Options

 

 

Display

Interpertation

 

 

AD1

Address #1, address of this unit

AD2

Address #2, the next downstream unit away

AD3

Address #3, the second unit downstream

AD4

Address #4, the third unit downstream

AD5

Address #5, the fourth unit downstream

AD6

Address #6, the fifth unit downstream

LPBK

Loopback, forces this unit to loopback the

 

selected B1 or B2 channel. Loopbacks occur in

 

both the customer and network directions.

CRTX

Carrier transmit, in the carrier direction

LPTX

Loop transmit, in the loop direction

NT1

NT1, address of the NT1

 

Latching OCU in DDS mode

 

 

3. TESTING

The U-BR1TE V responds to embedded operation channel loopbacks, including B1, B2, and 2B+D, when configured for D channel operation. When used in B1 configuration (non-D channel modes of operation) the U-BR1TE V will respond to an in-band DS0 DP latching loopback sequence. When remote testing is not available, or during isolation of trouble or equipment malfunction, the U-BR1TE V front panel provides local test capabilities. Using the internal 2047 pseudorandom test pattern generator or the bantam jacks allows craft personnel to test in both the downstream and upstream directions, including loopback for 6 addressable ISDN devices and the customer’s NT1.

 

 

Table 3. LED Indication

 

 

 

 

 

Indicator

Color

Description

 

 

 

 

 

Loop Status (LP)

Off

Indicates loop synchronization has been established and no Near End

 

 

 

Block Errors (NEBE) are being received from the Loop interface.

 

 

Red

Illuminated when U-interface is out of sync or has a loss of signal.

 

 

Yellow

Flashes yellow upon receipt of a NEBE. During Local Performance

 

 

 

Monitoring (see Testing) will flash yellow when BER >10-6is

 

 

 

detected and illuminate yellow when a BER > 10-5is detected.

 

Carrier Status (CR)

Off

Indicates carrier synchronization (framing per TR-TSY-000397) has

 

 

 

been established and no Near End Block Errors (NEBE) are being

 

 

 

received from the Carrier interface.

 

 

Red

Illuminated when no framing pattern is received.

 

 

Yellow

Flashes yellow upon receipt of a NEBE. During Local Performance

 

 

 

Monitoring (see TESTING) will flash when a BER > 10-6is detected and

 

 

 

illuminate yellow when a BER > 10-5is detected.

 

Activation (ACT)

Green

ISDN Application - Indicates that the terminal equipment has

 

 

 

exchanged ACT bits with the ISDN switch.

 

 

 

DDS Application - Indicates loop is terminated with an OCU-R.

 

 

 

ISDN Application - Once per second indicates that the ACT bit is being

 

 

 

sent in one direction only.

 

Test (TST)

Yellow

Solid yellow when a front panel test has been successfully initiated or

 

 

 

when responding to a 2B+D loopback request.

 

 

 

Flashes yellow once every two seconds when responding to a B1

 

 

 

loopback request or when forced into a B1 loopback from the front

 

 

 

panel.

 

 

 

Flashes yellow twice every two seconds when responding to a B2

 

 

 

loopback request or when forced into a B2 loopback from the front

 

 

 

panel.

 

 

Green

Solid Green when in Local Preformance Monitoring or when the local

 

 

 

test pattern gen/det is invoked.

 

Error (ERR)

Red

Flashes red when errors are seen by local test pattern detector.

 

 

 

 

 

 

 

 

 

61104020L4-5C

 

Section 61104020L4-5, Issue 3

7

Page 6 Page 8
Page 7
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ADTRAN D4 U-BR1TE V warranty Rotary Switch Options, Testing, LED Indication
Page 6 Page 8

D4 U-BR1TE V specifications

ADTRAN D4 U-BR1TE V is a state-of-the-art broadband networking solution designed to support next-generation services with a focus on reliability, flexibility, and high-speed connectivity. As telecommunications companies strive to meet the ever-increasing demand for bandwidth, the D4 U-BR1TE V stands out as a powerful tool that enables service providers to deliver superior services to their customers.

One of the main features of the ADTRAN D4 U-BR1TE V is its versatility in deployment options. This device can be used in various environments, including central offices, remote locations, and outdoor settings. It supports multiple access technologies, such as VDSL2, ADSL2+, and Ethernet, allowing operators to choose the best technology for their specific needs. This flexibility ensures that service providers can efficiently leverage their existing infrastructure while expanding their service offerings.

The D4 U-BR1TE V is equipped with advanced vectoring technology that significantly reduces crosstalk interference, thereby enhancing the overall performance and capacity of DSL connections. This allows operators to extend the reach of their broadband services while delivering higher speeds to end-users. Alongside vectoring, it incorporates G.fast technology, enabling ultra-fast broadband speeds over short copper lines, making it ideal for dense urban areas or multi-dwelling units where bandwidth demand is highest.

In addition to its robust performance capabilities, the ADTRAN D4 U-BR1TE V is designed with operational simplicity in mind. It features an intuitive graphical user interface that streamlines management and monitoring tasks, reducing the burden on network operations teams. Furthermore, its support for cloud-based management platforms allows service providers to automate network monitoring and troubleshooting, ensuring high service levels and quick resolution of issues.

Another notable characteristic of the D4 U-BR1TE V is its scalability. Service providers can easily expand their network by adding additional units as demand grows, ensuring that they can meet the future needs of their customers without extensive overhauls or infrastructure upgrades.

In conclusion, the ADTRAN D4 U-BR1TE V represents a significant advancement in broadband technology. By combining flexibility, high performance, and ease of management, it empowers service providers to deliver enhanced broadband experiences to their customers while efficiently managing their network resources. With its comprehensive feature set and future-proof capabilities, it is an essential component for operators seeking to stay competitive in the increasingly demanding telecommunications landscape.
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