In-band Protection Switch Protocol

Out-of-Band Protection Switch Protocol

See Table 5 for in-band protection switch protocol.

See Table 7 for out-of-band protection switch

Out-of-Band Enable/Disable Protocol

protocol.

 

See Table 6 for out-of-band slot enable/disable

 

protocol.

 

Table 5. In-Band Protection Switch Protocol

Step

COE In-Band

In-Band Pattern

Controller Card

Command Patterns

 

 

 

 

 

 

 

1

Send Arming Code

C440 Hex

Loopback the Arming Code.

 

 

 

 

2

Send Protection Line

C44X Hex

Loopback the C44X code where X = line number.

 

Switch Code

X = Line Number

 

 

Slot Enabled

 

Perform switchover 5 seconds later. Loss of sync.

 

Slot Disabled

 

Continuous Loopback of the C44X code where X

 

 

 

= line number. No switchover and no loss of sync.

 

 

 

 

Table 6. Out-Of-Band Enable/Disable Protocol

Step

COE In-Band

Bit-Oriented Datalink Pattern

Controller Card

Command Patterns

 

 

 

 

 

 

 

1

Send Arming Code

0001 1000 1111 1111

Loopback Arming Code for 400 ms followed by AIS.

 

 

 

 

2

Send Slot Enable or

Enable 0111 1000 1111 1111

Loopback the Enable/Disable code for 400 ms

Disable Code

Disable 0111 1010 1111 1111

followed by AIS.

 

 

 

 

 

 

Send Protection Line

0100 XXX0 1111 1111

Loopback line # code for 400 ms followed by AIS.

3

Switch

XXX = Line Number

 

 

 

(see Table 3)

 

 

 

 

 

4

Remove Pattern

 

Slot is now Enabled or Disabled for protection

 

 

switching.

 

 

 

 

 

 

 

Table 7. Out-Of-Band Protection Switch Protocol

 

COE In-Band

Bit-Oriented Datalink Pattern

Controller Card

Step

Command Patterns

 

 

 

 

 

 

1

Send Arming Code

0001 1000 1111 1111

Loopback Arming Code for 400 ms followed by AIS.

 

 

 

 

2

Send Protection Line

0100 XXX0 1111 1111

Loopback line # code:

 

Switch Code

XXX = Line Number

 

 

 

(see Table 3)

 

 

Slot Enabled

 

Perform switchover after 4 consective messages

 

 

 

received.

 

Slot Disabled

 

Loopback line # code followed by AIS. No switchover.

 

 

 

 

 

 

 

 

61190860L1-5B

Section 61190860L1-5, Issue 2

9

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ADTRAN 1xN In-band Protection Switch Protocol, Out-of-Band Enable/Disable Protocol, Out-Of-Band Protection Switch Protocol

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.