The SPA-1XCHSTM1/OC3 Cisco 1 Port Expansion module is an interface card designed for use in Cisco routers and switches. It provides a single port that can handle either SONET (Synchronous Optical Network) or SDH (Synchronous Digital Hierarchy) at OC-3 (Optical Carrier level 3) speeds. This module is designed to provide high-speed connectivity for a variety of network applications, including voice, data, and video.
The SPA-1XCHSTM1/OC3 module is a plug-in card that can be easily installed in a compatible Cisco router or switch. It supports hot-swappable insertion and removal, which means that it can be added or removed without disrupting network traffic. The module also supports both single-mode and multimode fiber optic connections, providing flexibility in network design.
The SPA-1XCHSTM1/OC3 module supports a range of networking protocols, including PPP (Point-to-Point Protocol), HDLC (High-Level Data Link Control), and ATM (Asynchronous Transfer Mode). It also supports a variety of Quality of Service (QoS) features, including traffic shaping and packet classification, which help to ensure that network traffic is prioritized appropriately.
The SPA-1XCHSTM1/OC3 Cisco 1 Port Expansion Module is designed to provide high-speed WAN connectivity for Cisco routers and switches. The module supports a single Synchronous Transport Module Level-1 (STM-1) or Optical Carrier level 3 (OC-3) interface, which can be used to connect to WAN service providers or other network devices.
The network topology and architecture for the SPA-1XCHSTM1/OC3 module depends on the specific deployment scenario and the requirements of the network. However, in general, the module can be used in a variety of network topologies, including:
- Point-to-Point: In a point-to-point topology, the SPA-1XCHSTM1/OC3 module can be used to connect two network devices together over a dedicated link. This topology is often used for high-speed data transfer between two locations.
- Ring: In a ring topology, multiple network devices are connected in a circular configuration, with each device connecting to the device next to it. The SPA-1XCHSTM1/OC3 module can be used to connect devices in a ring topology, providing high-speed connectivity between devices.
- Star: In a star topology, multiple network devices are connected to a central hub or switch. The SPA-1XCHSTM1/OC3 module can be used to connect devices to the central hub, providing high-speed connectivity to the WAN.
- Mesh: In a mesh topology, multiple network devices are connected in a fully interconnected configuration, with each device connected to every other device. The SPA-1XCHSTM1/OC3 module can be used to connect devices in a mesh topology, providing high-speed connectivity between all devices.
In terms of network architecture, the SPA-1XCHSTM1/OC3 module can be used in a variety of architectures, including traditional hub-and-spoke architectures and more modern mesh architectures. The specific architecture will depend on the requirements of the network and the desired level of redundancy and resiliency.
Network Connectivity OptionsThe SPA-1XCHSTM1/OC3 Cisco 1 Port Expansion module provides a variety of network connectivity options, including:
- Optical Connectivity: The module supports both single-mode and multimode fiber optic connections. It uses LC-type connectors and supports a range of wavelengths, including 1310 nm and 1550 nm.
- SONET/SDH: The module supports both SONET and SDH network protocols, providing compatibility with a wide range of network equipment.
- Speeds: The module supports data rates up to OC-3 (155 Mbps), making it suitable for high-speed network applications.
- ATM: The module supports ATM (Asynchronous Transfer Mode) network protocol, which provides a flexible and efficient method for transmitting data over a network.
- HDLC and PPP: The module supports HDLC (High-Level Data Link Control) and PPP (Point-to-Point Protocol) network protocols, which are commonly used for connecting remote sites over a WAN (Wide Area Network).
- Manufacturer: Cisco
- Manufacturer Part Number: SPA-1XCHSTM1/OC3
- Product Name: 1-Port Channelized Shared Port Adapter
- Product Type: Shared Port Adapter
- Application/Usage: Data Networking
- Interfaces/Ports: 1 x OC-3/STM-1
- Interfaces/Ports Details: 1 x OC-3/STM-1
- Compatibility:
- Cisco Catalyst 6500 Series Switches
- Cisco 7600 Series Routers
- Cisco 12000 Series Routers
- Cisco XR 12000 Series Routers
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