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by Avocent
Product Line: Avocent Cyclades ACS Series
Product Type: Console Server
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Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

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Product Description

The ACS16-DAC Avocent features a 10Mbps Ethernet data transfer rate and secure clustering capability for managing up to 1,024 devices, making it suitable for extensive network environments. It operates within a temperature range of 50°F (10°C) to 112°F (44°C), ensuring reliability under various conditions, and supports SSHv1 and SSHv2 protocols with X.509 SSH certificate support for secure remote management. Equipped with a MPC855T (PowerPC dual CPU) and options for 128 MB DIMM SDRAM/128 MB compact flash or 256 MB DIMM SDRAM/128 MB compact flash (ACS48), this device offers robust performance and flexibility for network administrators.

FAQs for the ACS16-DAC

  • What is the weight of the device with a single power supply?
    The weight with a single power supply is 6.4 lb (2.9 kg).
  • How does the ACS support device clustering?
    It supports secure clustering for up to 1,024 devices.
  • What are the dimensions of the ACS models?
    Dimensions are 17 x 8.5 x 1.75 inches (43.18 x 21.59 x 4.45 cm).
  • What is the range of operating temperature for the device?
    The operating temperature ranges from 50°F (10°C) to 112°F (44°C).
  • Can you detail the device's humidity tolerance?
    The humidity tolerance is 5% to 90% noncondensing.
  • What type of power supplies are available for the ACS?
    Optional -48 VDC power supply and optional dual entry, redundant AC and DC power supplies are available.
  • What memory and storage capacities are available for the ACS48 model?
    The ACS48 model comes with 256 MB DIMM SDRAM and 128 MB compact flash.
  • What types of ports are available on this device?
    The device includes 1 Ethernet 10/100BT on RJ45, 1 RS-232 console on RJ45, and multiple RS-232 serial ports on RJ45.
  • What security features does the ACS offer?
    It offers SSHv1 and SSHv2, break-over SSH support, pre-set security profiles, and X.509 SSH certificate support.
  • What are the data transfer capabilities and management options for the ACS?
    It has a 10Mbps Ethernet data transfer rate and supports HTTP/HTTPS along with bi-directional Telnet.

Product Review

The Avocent ACS16-DAC offers a secure clustering capability that supports up to 1,024 devices, making it suitable for managing large networks efficiently. However, its data transfer rate is limited to 10Mbps Ethernet, which may not meet the requirements for high-throughput environments. Additionally, the unit's operational temperature range from 50°F to 112°F and humidity tolerance of 5% to 90% noncondensing ensure reliability in various installation conditions, but the single Ethernet and RS-232 console port may restrict connectivity options for some network configurations.


The Avocent ACS16-DAC is a comprehensive console server designed to facilitate secure, remote data center management and out-of-band management of IT assets. With a focus on hardware specifications, this device stands out for its capacity to enable secure clustering for up to 1,024 devices, providing scalable solutions for businesses of various sizes. Weighing in at 6.4 lb (2.9 kg) for the single power model and 6.7 lb (3.01 kg) for the dual power model, the ACS16-DAC is built for easy deployment and integration into existing rack setups. It measures 17 x 8.5 x 1.75 inches (43.18 x 21.59 x 4.45 cm), ensuring it fits standard data center racks without hassle. The hardware is powered by an MPC855T PowerPC dual CPU, with memory options starting from 128 MB DIMM SDRAM and 128 MB compact flash, scaling up to 256 MB DIMM SDRAM for the ACS48 model, ensuring smooth operation and data processing. Connectivity is robust, with a 10Mbps Ethernet data transfer rate via an RJ-45 management port, a 10/100BT Ethernet port on RJ45 for network connections, and an RS-232 console on RJ45 for serial communications. Additionally, it features multiple RS-232 serial ports on RJ45, enhancing its versatility for various networking tasks. Security is paramount in the design of the ACS16-DAC. It supports both SSHv1 and SSHv2 for encrypted network communications, along with break-over SSH support, ensuring secure remote management. Security profiles are predefined, offering secure, moderate, and open settings to meet different operational requirements. Furthermore, it includes X.509 SSH certificate support, adding an extra layer of security for authentication. Operational reliability is ensured through a broad operational temperature range, from a minimum of 50°F (10°C) to a maximum of 112°F (44°C), and a storage temperature range from 40°F (-40°C) to 185°F (85°C). Humidity tolerance is specified from 5% to 90% noncondensing, ensuring the device operates effectively in diverse environmental conditions. The internal power supply supports 100-240VAC, 50/60 Hz, with options for -48 VDC power supply and dual entry, redundant AC and DC power supplies, guaranteeing uninterrupted service. Key features include: -
  • Secure clustering capability for managing up to 1,024 devices.
  • Dual CPU and scalable memory options for enhanced performance.
  • Comprehensive security features including SSH, security profiles, and X.509 certificate support.
This console server also supports HTTP/HTTPS and bi-directional Telnet for varied management interface options, alongside a time stamp feature for data buffering, offering a versatile and secure solution for remote management of networked devices. The Avocent ACS16-DAC stands as a vital tool for IT administrators aiming to streamline operations and enhance the security posture of their data centers.


Item Number and Maker Avocent ACS16-DAC
Weight with Single Power Supply 6.4 pounds (2.9 kilograms)
Weight with Dual Power Supply 6.7 pounds (3.01 kilograms)
Management Interface 1 x RJ-45
Ethernet Speed 10Mbps
Device Clustering Capability Supports clustering of up to 1,024 units
Physical Dimensions 17 x 8.5 x 1.75 inches (43.18 x 21.59 x 4.45 cm)
Lowest Operating Temperature 50°F (10°C)
Highest Operating Temperature 112°F (44°C)
Lowest Storage Temperature -40°F (-40°C)
Highest Storage Temperature 185°F (85°C)
Relative Humidity Range 5% to 90%, non-condensing
Input Voltage 100-240VAC, 50/60 Hz, internal
Options for Power Supply Optional -48 VDC supply; AC and DC dual entry, redundant supplies available
Processor MPC855T (Dual PowerPC CPUs)
Memory Configuration 128 MB DIMM SDRAM with 128 MB compact flash; 256 MB DIMM SDRAM with 128 MB compact flash for ACS48
Network Port 1 Ethernet 10/100BT on RJ45
Console Port 1 RS-232 on RJ45
Serial Ports RS-232 on RJ45
SSH Versions Supported SSHv1 and SSHv2
SSH Session Persistence Support for break-over SSH
Security Profiles Three predefined profiles: secure, moderate, and open
SSH Certificate Support X.509 certificates
Data Buffering Feature Timestamp inclusion for data buffering
Network Protocols Supported HTTP/HTTPS; Bi-directional Telnet

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