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by Cisco
Product Line: Cisco Series
Product Type: Shared Port Adapter
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Original price $0.00 - Original price $0.00
Original price
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Current price $0.00
Title: Surplus

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Product Description

The SPA-1XCHSTM1/OC3 module measures 0.8 in. (2.03 cm) in height, 6.75 in. (17.15 cm) in width, and 7.28 in. (18.49 cm) in depth, with a weight of 0.75 lb (0.34 kg). It operates within a temperature range of 41 °F (5 °C) to 104°F (40°C) and supports a humidity range from 5% to 85% relative humidity for operating conditions. This module offers connectivity through an OC-3/STM-1 SFP optics module, supports SNMP for network management, and includes reliability features such as OIR, support for 1 + 1 SONET APS and SDH MSP protocols, and compatibility with serial encapsulations like HDLC, PPP (RFC 1662), and Frame Relay (RFC 1490).

FAQs for the SPA-1XCHSTM1/OC3

  • What are the physical dimensions of the networking device?
    The device measures 0.8 inches in height (2.03 cm), 6.75 inches in width (17.15 cm), and 7.28 inches in depth (18.49 cm).
  • How much does the device weigh?
    The device weighs 0.75 lb (0.34 kg).
  • What is the operating temperature range for the device?
    The device operates between 41 °F (5 °C) and 104°F (40°C).
  • Can you provide the storage temperature range for the device?
    Storage temperature ranges from -38°F (-40°C) to 150°F (70°C).
  • What are the minimum and maximum operating humidity levels?
    The device operates at a minimum of 5% relative humidity and a maximum of 85% relative humidity.
  • What humidity levels should be maintained during storage?
    During storage, humidity should be maintained between a minimum of 5% relative humidity and a maximum of 95% relative humidity.
  • Does the device support SNMP for network management?
    Yes, the device supports Simple Network Management Protocol (SNMP).
  • What types of MIBs are supported by the device?
    The device supports RFC 2558 MIB (SONET/SDH), RFC 2495 MIB (T1/E1), and RFC 2496 MIB (T3/E3).
  • What reliability and availability features does the device offer?
    The device offers Online Insertion and Removal (OIR), field-replaceable SFP optics modules, support for both 1 + 1 SONET APS and SDH MSP protocols, and single SPA software reset.
  • What types of serial encapsulations does the device support?
    The device supports High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP) per RFC 1662, and Frame Relay per RFC 1490.

Product Review

The Cisco SPA-1XCHSTM1/OC3 module offers a compact design with dimensions conducive to easy integration in diverse network environments, supporting efficient space utilization in densely populated racks or enclosures. Its operational temperature and humidity ranges ensure reliability across various environmental conditions, enhancing its suitability for deployment in a broad array of geographical locations. However, the module's reliance on older serial encapsulation protocols might limit its application in modern networks that increasingly favor newer, more efficient standards.


The Cisco SPA-1XCHSTM1/OC3 is a highly efficient networking module designed to enhance the capabilities of service provider and enterprise networks. It offers a compact single-port Channelized STM-1/OC-3 interface, suitable for a wide range of applications including WAN aggregation, broadband access, and the interconnection of storage area networks. This product is compatible with the Cisco modular routers and is engineered to deliver high-performance networking solutions. At the core of its physical specifications, the module measures 0.8 inches in height, 6.75 inches in width, and 7.28 inches in depth, with a weight of 0.75 lb, making it a compact yet powerful addition to any networking setup. Its operational efficiency is maintained across a wide range of temperatures, from 41°F to 104°F, and it can be stored in environments with temperatures ranging from -38°F to 150°F. Humidity levels for operating conditions are between 5% and 85% relative humidity, while storage conditions can range from 5% to 95% relative humidity, ensuring reliability across various environmental conditions. Network management is simplified through the implementation of Simple Network Management Protocol (SNMP), facilitating easy integration and monitoring within existing networks. The module supports several Management Information Bases (MIBs) including RFC 2558 MIB for SONET/SDH, RFC 2495 MIB for T1/E1, and RFC 2496 MIB for T3/E3, enhancing its versatility in network management and monitoring tasks. Reliability and availability are paramount, with features such as Online Insertion and Removal (OIR) allowing for minimal disruption during upgrades or maintenance. The module also includes field-replaceable Small Form-Factor Pluggable (SFP) optics modules, supporting both 1 + 1 SONET Automatic Protection Switching (APS) and SDH Linear Multiplexer Section Protection (MSP) protocols for improved network resiliency. Additionally, a single SPA software reset feature ensures easy recovery and maintenance. Connectivity is facilitated through an OC-3/STM-1 SFP optics module, ensuring high-speed data transmission and reliable connectivity for demanding network environments. The module features one port, emphasizing its focused but powerful connectivity capabilities. In terms of protocols, the Cisco SPA-1XCHSTM1/OC3 supports a range of serial encapsulations including High-Level Data Link Control (HDLC), Point-to-Point Protocol (PPP) as per RFC 1662, and Frame Relay in accordance with RFC 1490. This wide range of supported protocols ensures that the module can be integrated into various networking environments, fulfilling diverse networking requirements. Key features include: - Compact physical dimensions for easy integration into existing setups. - Wide range of operational temperatures and humidity levels, ensuring reliability in various environmental conditions. - Support for multiple protocols, enhancing its adaptability across different network architectures. The Cisco SPA-1XCHSTM1/OC3 represents a strategic investment for enterprises and service providers looking to enhance their network’s performance and reliability. With its comprehensive feature set, this module is engineered to meet the rigorous demands of modern networking environments.


Part Number and Manufacturer Cisco SPA-1XCHSTM1/OC3
Dimensions - Height 0.8 inches (2.03 cm)
Dimensions - Width 6.75 inches (17.15 cm)
Dimensions - Depth 7.28 inches (18.49 cm)
Weight 0.75 pounds (0.34 kg)
Operational Temperature Range (Min) 41°F (5°C)
Operational Temperature Range (Max) 104°F (40°C)
Storage Temperature Range (Min) -38°F (-40°C)
Storage Temperature Range (Max) 150°F (70°C)
Operational Humidity Range (Min) 5% relative humidity
Operational Humidity Range (Max) 85% relative humidity
Storage Humidity Range (Min) 5% relative humidity
Storage Humidity Range (Max) 95% relative humidity
Network Management Protocol SNMP (Simple Network Management Protocol)
Supported MIBs - SONET/SDH RFC 2558
Supported MIBs - T1/E1 RFC 2495
Supported MIBs - T3/E3 RFC 2496
Serviceability OIR (Online Insertion and Removal)
Serviceability Features Field-replaceable SFP optics modules
Protection Protocols 1 + 1 SONET APS and SDH MSP
Software Reset Capability Yes, Single SPA
Optical Connectivity OC-3/STM-1 SFP optics module
Number of Ports 1
Supported Serial Encapsulation - HDLC High-Level Data Link Control
Supported Serial Encapsulation - PPP Point-to-Point Protocol, RFC 1662
Supported Serial Encapsulation - Frame Relay RFC 1490

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