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by Cisco
Product Line: Cisco Series
Product Type: Analog Voice Gateway
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Title: Surplus

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Product Description

The VG320 Cisco integrates a high-performance processor and is equipped with 1 GB SDRAM and 256 MB of flash memory for efficient data processing and storage. It features two 1-Gbps Ethernet ports for high-speed connectivity and supports an AC input range of 100 to 240 VAC, with power dissipation capped at 135 W. Designed for on-premises deployment, this device offers rack- and wall-mounting options, operates within a temperature range of 0 °C to 40 °C, and is compatible with Cisco IOS Software Release 15.6(3)M or later, ensuring reliable network performance and management.

FAQs for the VG320

  • What processor is used in the device?
    The device utilizes a High-Performance Processor.
  • How many Ethernet ports does the device have?
    It has Two 1-Gbps Ethernet Ports.
  • What is the default memory available?
    Default memory is 1 GB SDRAM.
  • Is there a redundant power supply option?
    Yes, an external UPS can be used for redundant power supply.
  • What type of flash memory does it have?
    The device is equipped with 256 MB of flash memory.
  • Can it be mounted in different ways?
    Yes, it is Rack- and Wall-Mountable.
  • What is the operating temperature range?
    The operating temperature ranges from 0 °C to 40 °C.
  • What software version does it support?
    Supports Cisco IOS Software Release 15.6(3)M or later.
  • What are the dimensions of the device?
    It measures 17.5 inches in width, 1.75 inches in height, and 13.5 inches in depth.
  • What is the maximum loop resistance supported by the FXS ports?
    Up to 600 Ohms for Short-Loop-Length Port and up to 1400 Ohms for Long-Loop-Length Port.

Product Review

The Cisco VG320 boasts a high-performance processor and ample memory for demanding network tasks, with 1 GB SDRAM and 256 MB of flash memory, ensuring efficient operation. However, its maximum noise level of 64 dB might be a concern in quieter environments, and the reliance on an external UPS for redundant power could be seen as a drawback for those requiring built-in redundancy solutions. Its dual 1-Gbps Ethernet ports and comprehensive Cisco IOS Software support make it well-suited for on-premises network deployments, though its operating temperature range limits its use in extreme environments.


The Cisco VG320 is a high-performance voice gateway designed to operate efficiently in both on-premises environments, restricted access areas, and situations where a permanent ground is required. This device is equipped with a processor that ensures fast and reliable performance for handling voice communications. It comes with 1 GB of SDRAM and 256 MB of flash memory, providing sufficient space for running applications and storing necessary data. Connectivity in the Cisco VG320 is facilitated through two 1-Gbps Ethernet ports, enabling high-speed connections to networks. This feature ensures that data flow remains uninterrupted, offering optimal performance for voice communications. The device is designed to operate with an AC input voltage ranging from 100 to 240 VAC and requires an AC input current of 0.6 to 1.35 Amps. It operates within a frequency range of 47 to 63 Hz and has a power dissipation of 135 W. In terms of power redundancy, the Cisco VG320 can be connected to an external Uninterruptible Power Supply (UPS) to ensure continuous operation during power outages. This makes the device reliable in various operational environments. The hardware dimensions include a width of 17.5 inches, a height of 1.75 inches, and a depth of 13.5 inches, with a weight of 15.8 lbs. This compact design allows for both rack- and wall-mountable installations, offering flexibility in deployment. The operating temperature range of the Cisco VG320 is 0 °C to 40 °C, with a non-operating temperature range of -40 °C to 70 °C. It can operate in a humidity range of 5% to 95%, ensuring reliability in various environmental conditions. The maximum noise level produced by the device is 64 dB, making it suitable for use in environments where noise levels are a concern. This voice gateway runs on Cisco IOS Software Release 15.6(3)M or later, providing a stable and secure operating system for voice communication services. The interface type is FXS (RJ-21), supporting various configurations for connecting analog devices. Key hardware specifications include: - FXS Loop Resistance: Up to 600 Ohms for short-loop-length ports and up to 1400 Ohms for long-loop-length ports. This feature ensures compatibility with a wide range of analog devices. - On-Hook Current: 25 mA for short-loop-length ports and 35 mA for long-loop-length ports, providing sufficient power for connected devices. - On-Hook Voltage: -44 V, ensuring a stable connection for analog devices when they are on-hook. Additionally, the Cisco VG320 supports ring frequencies of 20, 25, 30, and 50 Hz, allowing for customization based on the requirements of the connected devices. This flexibility in hardware specifications makes the Cisco VG320 a versatile choice for businesses looking to integrate voice communication capabilities into their network infrastructure.


Item Number and BrandCisco VG320
CPUHigh-Efficiency Processor
Standard Memory1 GB SDRAM
Storage Memory256 MB Flash
Network InterfacesDual 1-Gbps Ethernet Interfaces
Voltage Requirement100 to 240 VAC
Input Current Range0.6A to 1.35A
Frequency Range47Hz to 63Hz
Energy Consumption135 Watts
Backup Power OptionCompatible with External UPS
Product Width17.5 inches
Product Height1.75 inches
Product Depth13.5 inches
Product Weight15.8 pounds
Installation OptionsSupports Rack and Wall Installation
Functional Temperature Range0°C to 40°C
Storage Temperature Range-40°C to 70°C
Humidity Tolerance5% to 95% Non-Condensing
Sound Emission64 Decibels Maximum
Operating System CompatibilityRequires Cisco IOS Release 15.6(3)M or Newer
Deployment EnvironmentLimited to On-Premises Use, Secure Area, Must be Grounded
Connection TypeFXS (RJ-21)
FXS Port Loop ResistanceUp to 600 Ohms for Short Loops, Up to 1400 Ohms for Extended Loops
Idle Port Current25 mA for Short Loops, 35 mA for Extended Loops
Idle Port Voltage-44 Volts
Ring Signal Frequency20, 25, 30, and 50 Hz Options

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