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by Cisco
Product Line: Cisco Series
Product Type: Electrical Card
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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 15454-DS3EC1-48 module features an electrical interface with BNC or SMB connectors, designed for high-speed data transmission at a bit rate of 44.736 Mbps +/-20 ppm, and supports a frame format of DS-3 ANSI T1.107-1988. It operates within a power specification that includes a power consumption of 60 W, current rating of 1.25 A at -48 V, and a heat dissipation of 95.6 BTU/Hour. The module is designed for durability and consistent performance across a wide range of environmental conditions, with operating temperatures ranging from -40 °C to 65 °C and humidity levels from 5% to 85% (noncondensing).

FAQs for the 15454-DS3EC1-48

  • What connectors does the device use for its electrical interface?
    The device uses BNC or SMB connectors for its electrical interface.
  • How much power does the device consume?
    The power consumption of the device is 60 W.
  • What is the current rating for this networking hardware?
    The current rating is 1.25 A at -48 V.
  • How much heat does the device dissipate?
    The device dissipates 95.6 BTU/Hour.
  • What bit rate does the device support?
    The device supports a bit rate of 44.736 Mbps +/-20 ppm.
  • Can you explain the frame format used by this device?
    The frame format used is DS-3 ANSI T1.107-1988.
  • What line code is utilized by this device?
    The device utilizes the B3ZS line code.
  • What type of cable termination is required for this device?
    The device requires unbalanced coaxial cable for termination.
  • What is the input impedance of the device?
    The input impedance is 75 Ohms +/-5%.
  • How far can the input and output cable run without significant loss?
    The input cable can run up to 450 feet with 734A or 728A and 79 feet with RG-179. The output cable can run up to 900 feet with 734A or 728A and 79 feet with RG-179.

Product Review

The CISCO 15454-DS3EC1-48 module offers a dedicated DS-3 transmission over coaxial cable with a reliable bit rate of 44.736 Mbps, adhering to the ANSI T1.107-1988 frame format and B3ZS line code, ensuring compatibility with existing telecommunications standards. However, its power consumption of 60 W and heat dissipation of 95.6 BTU/hour may pose challenges for energy efficiency and thermal management in densely packed installations. Additionally, its specific requirement for unbalanced coaxial cable and the limitation on input and output cable lengths could restrict deployment flexibility in varied networking environments.


The CISCO 15454-DS3EC1-48 module is a high-capacity, single-slot card designed for the ONS 15454 platform, delivering efficient DS-3 connectivity. This card is engineered to support a variety of network configurations, providing flexibility in deployment. Its primary function is to offer reliable DS-3 transmission over coaxial cable networks, making it an essential component for telecommunications operators and large enterprises. At the heart of its specifications, the module operates with a bit rate of 44.736 Mbps, adhering to the +/-20 ppm accuracy as per industry standards. This ensures high-speed data transmission with minimal error rates, crucial for maintaining the integrity of communication networks. The frame format supported is DS-3 ANSI T1.107-1988, with a line code of B3ZS, optimized for efficient data encoding and transmission over electrical interfaces. The electrical interface options include BNC or SMB connectors, providing versatile connection capabilities to different types of coaxial cables. This flexibility is further enhanced by its ability to handle input and output cable lengths of up to 450 feet with 734A or 728A cables and 79 feet with RG-179 cables, facilitating extensive reach across network infrastructures. Key hardware specifications include: - <>Power consumption at 60 W, with a current rating of 1.25 A at -48 V, ensuring efficient operation while managing energy use effectively. - <>Heat dissipation rated at 95.6 BTU/Hour, maintaining optimal performance by preventing overheating. - <>Input and output impedance set at 75 Ohms +/-5%, optimizing signal transmission and minimizing loss. The module's output characteristics are designed for network resilience and flexibility. It supports output power levels ranging from -1.8 to 5.7 dBm and pulse amplitudes from 0.36 to 0.85 Vpeak, facilitating adaptable signal strength for various distances and network conditions. Furthermore, the card includes output loopback modes for both terminal and facility, enabling comprehensive network testing and troubleshooting. In terms of physical durability and environmental adaptability, the CISCO 15454-DS3EC1-48 is built to withstand a wide range of operating conditions. It operates efficiently between temperatures of -40 °C to 65 °C and can function in humidity levels from 5% to 85% (noncondensing). These specifications ensure reliable performance in diverse environmental conditions, from cold storage data centers to hot and humid outdoor installations. For enhanced network reliability, the module incorporates surge protection in compliance with Telcordia GR-1089 standards, safeguarding the hardware against electrical surges and spikes. This feature is critical for maintaining network uptime and preventing hardware damage in areas prone to electrical disturbances. Overall, the CISCO 15454-DS3EC1-48 module embodies a comprehensive solution for DS-3 connectivity, combining high-speed data transmission capabilities with robust physical and operational features. It measures 12.65 inches in height, 0.716 inches in width, and 9 inches in depth, with a weight of 1.7 lbs, making it a compact yet powerful component within the ONS 15454 platform.


Model Number CISCO 15454-DS3EC1-48
Manufacturer CISCO
Connector Type BNC or SMB
Energy Consumption 60 Watts
Current Specification 1.25 Amps at -48 Volts
Thermal Output 95.6 British Thermal Units per Hour
Data Transfer Rate 44.736 Megabits per Second +/-20 parts per million
Data Encoding Format DS-3 according to ANSI T1.107-1988
Line Encoding B3ZS
Cable Connection Unbalanced Coaxial
Resistance 75 Ohms +/-5%
Maximum Input Cable Distance 450 ft with 734A or 728A, 79 ft with RG-179
Compliance Standard AIS TR-TSY-000191
Maximum Output Cable Distance 900 ft with 734A or 728A, 79 ft with RG-179
Signal Level Range -1.8 to 5.7 decibels-milliwatt
Pulse Voltage Range 0.36 to 0.85 Volts peak
Test Modes Terminal and Facility Loopback
Adjustable Output Distance 0 to 225 ft, 226 to 450 ft
Overvoltage Protection Telcordia GR-1089 Standard
Operational Temperature Range -40 to 65 °C
Humidity Tolerance Range 5% to 85% (Noncondensing)
Dimensions (H x D x W) 12.65 x 9 x 0.716 inches
Device Mass 1.7 pounds

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