Appendix A Hardware Specifications

A.1.7 Alarm Interface

Hardware flow control

TCC2/TCC2P: EIA/TIA-232 DB-9 type connector

A.1.7 Alarm Interface

The ONS 15454 alarm interface has the following specifications:

Visual: Critical, Major, Minor, Remote

Audible: Critical, Major, Minor, Remote

Alarm contacts: 0.045 mm, –48 V, 50 mA

Backplane access: Alarm pin fields

A.1.8 EIA Interface

The ONS 15454 EIA interface has the following specifications:

SMB: AMP #415504-3 75-ohm, 4-leg connectors

BNC: Trompeter #UCBJ224 75-ohm 4 leg connector (King and ITT are also compatible)

AMP Champ: AMP#552246-1 with #552562-2 bail locks

A.1.9 BITS Interface

The ONS 15454 building integrated timing supply (BITS) interface has the following specifications:

2 DS-1 BITS inputs

2 derived DS-1 outputs

Backplane access: BITS pin field

A.1.10 System Timing

The ONS 15454 has the following system timing specifications:

Stratum 3 per Telcordia GR-253-CORE

Free running accuracy: +/–4.6 ppm

Holdover stability: 3.7 x10–7per day, including temperature (< 255 slips in first 24 hours)

Reference: External BITS, line, internal

A.1.11 System Power

The ONS 15454 has the following power specifications:

Input power: –48 VDC

Power consumption: Configuration dependent; 72 W (fan tray only)

Power requirements: –40.5 to –57 VDC

Cisco ONS 15454 Reference Manual, R8.0

 

April 2008

A-3

 

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Cisco Systems ONS 15454 appendix Alarm Interface, EIA Interface, Bits Interface, System Timing, System Power

ONS 15454 specifications

Cisco Systems ONS 15454 is a versatile optical networking platform designed to enable service providers and enterprises to deploy and manage robust optical networks efficiently. The ONS 15454 serves as a cornerstone in the evolution of transport networks, featuring various technologies that meet the increasing demand for bandwidth and service quality.

One of the standout features of the ONS 15454 is its support for multiple service types, including TDM, Ethernet, and Wavelength Division Multiplexing (WDM). This capability allows service providers to maximize network resources while delivering a wide range of services, from traditional voice to high-speed data and video.

The ONS 15454 leverages Dense Wavelength Division Multiplexing (DWDM) technology, enabling the transmission of multiple data streams over a single optical fiber. This effectively expands the network's capacity without the need for additional infrastructure, a crucial benefit in today's ever-growing data landscape. The system supports a variety of transponder modules, allowing for flexible scaling and seamless upgrades as bandwidth requirements increase.

Scalability is another key characteristic of the ONS 15454. With its modular architecture, it accommodates a range of interfaces and line cards, making it easier to tailor deployments to specific customer needs. This modularity not only facilitates upgrades but also simplifies maintenance, minimizing downtime and operational costs.

The platform also features advanced management capabilities through Cisco's Optical Network Management system. This allows for real-time monitoring, provisioning, and troubleshooting, ensuring network reliability and performance. The intuitive interface and comprehensive reporting tools enable operators to gain insights into network operations, improving decision-making processes.

Furthermore, the ONS 15454 is built to support optical layer protection features, enhancing network resilience. Technologies such as Automatic Protection Switching (APS) and Optical Supervisory Channel (OSC) ensure that connectivity is maintained even in the event of a failure, crucial for mission-critical applications.

In conclusion, the Cisco ONS 15454 is a powerful optical networking solution that combines flexibility, scalability, and advanced management features. Its support for various services and technologies positions it as an essential asset for organizations looking to build a future-proof network capable of handling increasing data traffic while maintaining high service standards.