Protect Receive Path, Protect Transmit Path

this condition will be locked until a remote provisioning command orders the controller card to switch the customer data back onto the main line, or a signal failure of greater than 30 seconds occurs on the protect Slot 8.

Protect Receive Path

The receive path is non-protected and transformer coupled between the network and the customer. The receive path is monitored for in-band or ESF bit-patterned datalink messages. The receive path will be a passive transmission path.

Protect Transmit Path

The transmit path is non-protected and transformer coupled between the network and the customer. The transmit path will be a passive transmission path.

In-Band Commands

The in-band commands are based on a 16-bit repeating binary pattern. These patterns were selected to avoid random data replication and yellow alarm generation. In-band code qualifications involve receiving the codes for 5 contiguous seconds. The in-band codes can be transmitted using SF/ESF framing or unframed. See Table 2 for in-band commands.

Out-of-Band Commands

The out-of-band commands are based on the ANSI T1.403-1995 standard on T1 protection switching. ANSI T1.403-1995, Table 4, specifies the command and response messages for T1 protection switching.

Out-of-band code qualifications involve receiving the codes for greater than 4 consecutive messages. See Table 3 for out-of-band commands.

Table 2. In-Band Commands

Command	Hex	Binary Pattern
Command	Pattern	Binary Pattern
	Pattern

Switch Arming	C440	1100 0100 0100 0000

Slot Enable	C540	1100 0101 0100 0000

Slot Disable	C640	1100 0110 0100 0000

Switch Release	C44F	1100 0100 0100 1111

Switch Activation
Code

Line 1	C441	1100 0100 0100 0001

Line 2	C442	1100 0100 0100 0010

Line 3	C443	1100 0100 0100 0011

Line 4	C444	1100 0100 0100 0100

Line 5	C445	1100 0100 0100 0101

Line 6	C446	1100 0100 0100 0110

Line 7	C447	1100 0100 0100 0111

Table 3. Out-Of-Band Commands

Command	Hex	Binary Pattern
Command	Pattern	Binary Pattern
	Pattern

Switch Arming	18FF	0001 1000 1111 1111

Slot Enable	78FF	0111 1000 1111 1111

Slot Disable	7AFF	0111 1010 1111 1111

Switch Release	26FF	0010 0110 1111 1111

Switch Activation
Code

Reset	24FF	0010 0100 1111 1111

Line 1	42FF	0100 0010 1111 1111

Line 2	44FF	0100 0100 1111 1111

Line 3	46FF	0100 0110 1111 1111

Line 4	48FF	0100 1000 1111 1111

Line 5	4AFF	0100 1010 1111 1111

Line 6	4CFF	0100 1100 1111 1111

Line 7	4EFF	0100 1110 1111 1111

61190860L1-5B

Section 61190860L1-5, Issue 2

1xN specifications

ADTRAN 1xN is a significant innovation in the realm of broadband network technology, designed to enhance the capacity and efficiency of data transmission in various communications infrastructures. This technology is particularly beneficial for service providers looking to upgrade their existing networks in an economically viable manner.

One of the primary features of ADTRAN 1xN is its ability to support multiple optical network terminals (ONT) from a single fiber source, which drastically reduces the amount of infrastructure required for deployment. This one-to-Many approach allows network operators to extend their service reach while minimizing the cost associated with laying down extensive fiber networks.

ADTRAN 1xN utilizes both Passive Optical Network (PON) and Active Optical Network (AON) technologies. The PON technology grants high-speed data transmission rates, accommodating several service tiers and customer demands, while the AON provides enhanced flexibility and control over data flows for network administrators. This dual-faceted approach enables operators to choose the best deployment strategy to meet specific user needs, whether in residential, commercial, or enterprise environments.

Another characteristic of this technology is its scalability. Providers can easily integrate ADTRAN 1xN into existing networks without needing extensive overhauls, allowing for easy upgrades as customer demand for service increases. This feature ensures that investments in infrastructure remain relevant and capable of handling increased data loads over time.

Additionally, ADTRAN 1xN offers robust support for various applications, including Voice over Internet Protocol (VoIP), streaming media, and cloud computing solutions. The network’s architecture effectively prioritizes data traffic to ensure quality of service, critical for users relying on real-time communications.

ADTRAN also emphasizes energy efficiency in its 1xN solutions, aligning with global sustainability initiatives. By minimizing power consumption while maximizing performance, ADTRAN not only meets operational needs but also helps service providers lower their overall environmental impact.

In conclusion, ADTRAN 1xN stands out as an inventive and flexible solution for modern broadband service providers. With its combination of advanced optical technologies, scalability, extensive application support, and commitment to energy efficiency, it represents a significant advancement in delivering high-quality, reliable internet connectivity.