Chapter 1 General Troubleshooting

1.4.2 WBE-28/WBE-84 Inhibit FEAC Loopback

1.4.2 WBE-28/WBE-84 Inhibit FEAC Loopback

WBE-28/WBE-84 DS3 ports initiate loopbacks when they receive FEAC line loop codes. If the Inhibit FE Lbk check box is checked for a DS3 port, that port ignores any FEAC line loop codes it receives and will not loop back (return them). If you inhibit a DS3 port's far end loopback response, this DS3 port is not restricted from terminal or facility loopbacks.

1.4.3 FEAC Alarms

When an ONS 15310MA - WBE-28/WBE-84 DS3 port receives an activation code for a FEAC loopback, it raises the “Clear the LPBKDS3FEAC Condition” condition on page 2-101. The condition clears when the port receives the command to deactivate the FEAC loopback. If a node sends a FEAC loopback command to the far end, the sending node raises a “LPBKDS3FEAC-CMD” condition on page 2-101for the near-end port.

1.5Troubleshooting WBE-28 and WBE-84 Cards with Far End Loopcodes on DS1 Ports

WBE Cards support Far End Loopcodes when the DS1 port is operating in ESF Framing mode. Click the WBE-28/WBE-84 Maintenance->DS1tab to reveal additional columns, namely , "Inhibit FE Lbk" and "Send Code". Here we are using the term FE Loopcodes instead of FEAC in DS1, since DS1 supports only Far End Loopcodes, but NOT Alarms.

Figure 1-3 Accessing Far End troubleshooting Functions on the WBE Cards

Cisco ONS 15310-CL and Cisco ONS 15310-MA Troubleshooting Guide, R7.0

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Cisco Systems ONS 15310-MA, ONS 15310-CL manual WBE-28/WBE-84 Inhibit Feac Loopback, Feac Alarms
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ONS 15310-CL, ONS 15310-MA specifications

Cisco Systems has long been a leader in networking and telecommunications technology, and among its impressive lineup of products, the Cisco ONS 15310 series stands out as an essential solution for optical networking. This series includes models such as the ONS 15310-MA, ONS 15310-CL, and ONS 15310-CA, each designed to meet the diverse needs of service providers and enterprises seeking to enhance their optical transport networks.

The Cisco ONS 15310-MA is an advanced multi-service platform designed for metropolitan area networks. It facilitates the seamless transport of data, voice, and video over optical networks. One of its main features is its ability to support a variety of interfaces, including Ethernet, SONET/SDH, and Wavelength Division Multiplexing (WDM), allowing users to integrate multiple services into a single platform. Additionally, the ONS 15310-MA supports advanced traffic management and Quality of Service (QoS) features to prioritize critical applications and ensure consistent performance.

The ONS 15310-CL variant is tailored for more specific applications, providing enhanced capabilities aimed at delivering carrier-grade services. It features a robust architecture that accommodates high-capacity traffic without compromising reliability. This model emphasizes low power consumption and a compact design, making it suitable for deployment in space-constrained environments. The ONS 15310-CL also supports a wide range of optical interfaces, making it highly flexible for various network configurations.

In terms of technologies, the Cisco ONS 15310 series leverages Optical Transport Network (OTN) capabilities, providing high efficiency and greater bandwidth utilization. OTN technology enables efficient error correction and adds resilience to the network through its built-in protection mechanisms. Furthermore, the series supports seamless integration with existing IP/MPLS networks, creating a cohesive infrastructure as organizations evolve their networking requirements.

One of the defining characteristics of the ONS 15310 series is its focus on scalability. Network operators can start with a modest deployment and gradually expand capacity as demand grows. This adaptability is complemented by Cisco's comprehensive management and monitoring tools, providing operators with real-time insights into network performance and facilitating proactive management.

In conclusion, the Cisco ONS 15310-MA and ONS 15310-CL models represent sophisticated solutions for modern optical networks. With their versatile features, advanced technologies, and robust design, they empower service providers and enterprises to build resilient, high-capacity networks that meet the demands of today’s data-driven world.
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