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by Cisco
Product Line: Cisco Series
Product Type: Voice/Channelized Data T1/E1 Module
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Product Description

The NIM-8CE1T1-PRI module offers 8 ports for integrated voice and data applications, supporting clear-channel data, Multi-Flex trunking, and MFT packet voice features. It is compatible with Cisco IOS XE Software Release 3.9 and later, ensuring seamless integration with existing Cisco infrastructure. With support for unstructured E1 (G.703), channelized data, and PRI signaling, this module facilitates comprehensive communication solutions across both T1 and E1 interfaces, adhering to TIA-968-A, CS-03, Jate, ANSI T1.403, TBR4, TBR12, TBR13, ITU-T G.703, G.704, G.823, and I.431 standards.

FAQs for the NIM-8CE1T1-PRI

  • What is the number of ports available on this networking hardware?
    Answer: It has 8 ports.
  • Does the hardware support Multi-Flex Trunking?
    Answer: Yes, Multi-Flex Trunking is supported.
  • Is clear-channel data transmission available?
    Answer: Yes, clear-channel data transmission is supported.
  • Can the device handle MFT Packet Voice data?
    Answer: Yes, it is capable of handling MFT Packet Voice data.
  • Is support for Unstructured E1 (G.703) included?
    Answer: Yes, Unstructured E1 (G.703) support is included.
  • Does the device offer channelized data capabilities?
    Answer: Yes, it supports channelized data.
  • How many serial data channels are available per port?
    Answer: 24 serial data channels are available per port.
  • What is the number of voice channel associated signaling supported?
    Answer: It supports 24 per Port (T1), 31 per Port (E1), 1 per Timeslot.
  • Is there PRI support?
    Answer: Yes, 1 PRI per port is supported.
  • What Cisco IOS software version is required?
    Answer: Cisco IOS XE Software Release 3.9 and later is required.

Product Review

The Cisco NIM-8CE1T1-PRI module supports a versatile range of voice and data applications, providing 8 ports for efficient network expansion and integration, thanks to its compatibility with Clear-Channel Data and Multi-Flex Trunk capabilities. It operates within a wide range of environmental conditions, evidenced by its operational temperature range from 0 °C to 50 °C and humidity tolerance, ensuring reliability in diverse settings. However, its requirement for Cisco IOS XE Software Release 3.9 or later may limit its compatibility with older network environments, necessitating updates or replacements for legacy systems.


The Cisco NIM-8CE1T1-PRI module represents a key component in networking hardware, designed to enhance the interface capabilities of routers with its wide range of features aimed at improving data and voice communications. This module includes eight ports, supporting both T1 and E1 connections, making it versatile for various global telecommunications standards. Its compatibility with Cisco IOS XE Software Release 3.9 and later ensures that it can be integrated into modern network infrastructures with ease, providing a seamless experience for network administrators. One of the standout features of the NIM-8CE1T1-PRI is its support for multi-flex trunking, clear-channel data, and channelized data, allowing for flexible deployment options depending on the network requirements. The module also supports unstructured E1 (G.703) for applications requiring direct access to the full bandwidth of the E1 line. -
  • For packet voice applications, the module is equipped with MFT packet voice capabilities, ensuring high-quality voice transmission across the network.
  • -
  • It offers voice channel associated signaling, supporting 24 channels per port for T1 and 31 channels per port for E1, in addition to one channel per timeslot for both standards.
  • -
  • The module's PRI support, with one PRI per port, enhances its functionality in delivering integrated services over digital trunk lines.
  • Furthermore, the drop and insert feature, supporting 24 channels per port for T1 and 31 channels per port for E1, facilitates efficient data and voice channel allocation, allowing for dynamic network configurations. The NIM-8CE1T1-PRI is designed with precision, measuring 1.25 inches in height, 3.50 inches in width, and 7.24 inches in depth, and weighs 0.52 lbs, making it compact and lightweight for easy installation in compatible routers. Its operational temperature ranges from 0 °C to 50 °C, with storage temperatures ranging from -20 °C to 65 °C, ensuring reliability under various environmental conditions. The module also operates effectively within a humidity range of 10% to 85% (noncondensing) for operating conditions, and 5% to 95% (noncondensing) for storage conditions, safeguarding against damage due to moisture. Compliance with industry standards is critical for ensuring interoperability and reliability in telecommunications networks. The NIM-8CE1T1-PRI meets T1 compliance standards including TIA-968-A, CS-03, Jate, and ANSI T1.403. For E1 connections, it complies with TBR4, TBR12, TBR13, ITU-T G.703, G.704, G.823, and I.431, ensuring compatibility and reliable performance across different regulatory environments. In summary, the Cisco NIM-8CE1T1-PRI network interface module is engineered to provide high-density, multi-protocol network connectivity, offering a comprehensive solution for integrating voice and data services. Its broad support for T1 and E1 standards, combined with advanced features like clear-channel data, packet voice capabilities, and PRI support, make it an indispensable tool for network administrators looking to optimize their network infrastructures for performance and reliability.


    Item CodeNIM-8CE1T1-PRI
    Port Count8
    Trunk TypeMulti-Flex
    Full Bandwidth Data TransmissionYes
    Multi-Frequency Tone Packet VoiceYes
    G.703 Unstructured E1 CompatibilityYes
    Structured Data TransmissionYes
    Data Channels per Port24
    Voice Signaling per Channel24 (T1), 31 (E1), 1 per Timeslot
    Primary Rate Interface Slots per Port1
    Signal Reassignment Capabilities24 (T1), 31 (E1), 1 per Timeslot
    Supported SoftwareCisco IOS XE, Version 3.9+
    Dimensions (H x W x D)1.25 x 3.50 x 7.24 inches
    Operational Temperature Range0 to 50 °C
    Storage Temperature Range-20 to 65 °C
    Operational Humidity Range10 to 85% (Noncondensing)
    Storage Humidity Range5 to 95% (Noncondensing)
    Compliance with T1 StandardsTIA-968-A, CS-03, Jate, ANSI T1.403
    Compliance with E1 StandardsTBR4, TBR12, TBR13; ITU-T G.703, G.704, G.823, and I.431
    Product Weight0.52 lbs

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