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Understanding Cisco CBW Mesh Extenders: 141ACM, 142ACM, 143ACM

Objective

The purpose of this document is to familiarize users with Cisco Business Wireless (CBW) mesh extenders, specifically the 141ACM, 142ACM, and 143ACM models. These extenders are designed to work with a primary Access Point (AP) in a CBW mesh network. For basic knowledge of CBW mesh networks, refer to Cisco Business: Welcome to Wireless Mesh Networking.

General CBW Mesh Extender Information

The latest CBW APs are based on 802.11 a/b/g/n/ac (Wave 2) standards with integrated antennas, offering higher performance, increased range, and support for denser networks.

A CBW mesh network requires a functioning CBW Primary AP (140AC, 145AC, or 240AC) and at least one CBW Mesh Extender. Any combination of CBW APs can be used, provided the Primary AP is configured and operational.

Prerequisites for Adding a Mesh Extender

  • Active Internet Connection (Cable or DSL)
  • Cisco Business App, QR code reader, or visit https://ciscobusiness.cisco
  • Router (to act as DHCP server)
  • Enabled CBW Primary Access Point (140AC/145AC/240AC)
  • For 142ACM/143ACM: Cisco SB Series PoE Switch or PoE Injector (802.3af PoE Injector), PoE-powered, wall-mounted Access Point, Cisco SB Series Router (as DHCP server), Configured and operational CBW Primary Access Point.

General CBW Mesh Extender Details

  • Multi-User (MU) Multiple-Input Multiple-Output (MU-MIMO): Allows simultaneous transmission to multiple clients supporting 2nd generation 802.11ac Wave for improved client experience.
  • Management: Network can be configured and managed via a mobile app or a standard web browser.
  • Authentication and Security: Supports Wi-Fi Protected Access 2 and 3 (WPA2), 802.1X, RADIUS authentication, authorization, and accounting (AAA), 802.11r, and 802.11i.
  • Maximum Associated Wireless Clients: 200 per Wi-Fi radio, for a total of 400 clients per Access Point.
  • 802.11ac: 2x2 MU-MIMO with two spatial streams, supporting up to 867 Mbps, 20, 40, and 80 MHz channels, and dynamic frequency selection.

Supported Data Rates

  • 802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
  • 802.11b/g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, 5, and 4 Mbps
  • 802.11n (2.4 GHz): 6.5 to 144 Mbps (MCS0-MCS15)
  • 802.11ac (5 GHz): 6.5 to 867 Mbps (MCS0-MCS9)

Transmit Power Settings

  • 2.4 GHz: Up to 20 dBm
  • 5 GHz: Up to 20 dBm

Integrated Antennas

  • 2.4 GHz: 2 dBi gain
  • 5 GHz: 3 dBi gain

Status Indicators

Status LEDs indicate bootloader status, association status, operational status, bootloader warnings, and bootloader errors.

Environmental Conditions

  • Operating:
    • Temperature: 32° to 104°F (0° to 50°C)
    • Humidity: 10% to 90% (non-condensing)
    • Max Altitude: 9843 feet (3000 meters) at 40°C
  • Non-Operating (Storage & Transport):
    • Temperature: -22° to 158°F (–30° to 70°C)
    • Humidity: 10% to 90% (non-condensing)
    • Max Altitude: 15,000 feet (4500 meters) at 25°C

System Specifications

  • 512 MB DRAM, 128 MB Flash Memory
  • 710-MHz Quad-Core Processor

Environmental Considerations for Placement

To ensure optimal RF coverage, place Access Points as close as possible to wireless clients. Avoid areas such as basements (signals must penetrate many walls), near large obstructions (metal cabinets, refrigerators), or under metal desks or other dense/conductive objects.

Cisco CBW 141ACM Mesh Extender

Supported Devices | Software Version

  • 141ACM (Datasheet) | 10.0.1.0 (Download Latest Version)

141ACM Package Contents

  • Cisco Business 141AC Mesh Extender
  • Power Adapter
  • Power Cable
  • Quick Start Guide
  • Technical Support Contact List
  • Pointer Card China RoHS
  • Compliance Information (EU SKU only)

141ACM Diagram and Features

The diagram shows the front and back views of the 141ACM mesh extender.

Front View: Features a status LED indicator at the top.

Back View: Displays various ports and buttons labeled numerically:

  1. Status LED
  2. 48V DC Port
  3. On/Off Button
  4. PSE-LAN1 Port
  5. LAN2/LAN3/LAN4 Ports
  6. USB Port (for future use)
  7. Mode Button
  8. QR Code
  9. Kensington Lock Slot (side)

141ACM Unique Features

  • The 141ACM Mesh Extender can be placed on any flat surface, such as a desk, with its cables, allowing the extender to be plugged into an outlet. It does not come with any mounting brackets.
  • This mesh extender features four local Gigabit Ethernet ports, allowing for various connections.
  • One of the four ports on the 141ACM provides Power over Ethernet (PoE) and can power certain Cisco MPP phones. This is the only mesh extender that includes a PoE port.

Cisco CBW 142ACM Mesh Extender

Supported Devices | Software Version

  • 142ACM (Datasheet) | 10.0.1.0 (Download Latest)
  • 143ACM (Datasheet) | 10.0.1.0 (Download Latest)

142ACM Package Contents

  • Cisco Business Wireless 142AC Mesh Extender
  • Quick Start Guide
  • Technical Support Contact List
  • Pointer Card China RoHS
  • Compliance Information (EU SKU only)

142ACM Diagram and Features

The diagram shows the front and back views of the 142ACM mesh extender.

Front View: Features a status LED indicator at the top.

Back View: Displays ports and features labeled numerically:

  1. Status LED
  2. QR Code
  3. Mode Button (side)
  4. Kensington Lock (side)
  5. AC Plug (country/region specific)

142ACM Unique Features

The 142ACM is the only mesh extender that plugs directly into an AC power outlet. It does not have any additional Ethernet ports.

Cisco CBW 143ACM Mesh Extender

Supported Devices | Software Version

  • 141ACM (Linked Article) is another mesh extender available for CBW networks.

143ACM Package Contents

  • Cisco Business Wireless 143AC Mesh Extender
  • Quick Start Guide
  • Power Adapter
  • Mounting Kit
  • Technical Support Contact List
  • Pointer Card China RoHS
  • Compliance Information (EU SKU only)

143ACM Diagram and Features

The diagram shows the front and back views of the 143ACM mesh extender.

Front View: Features a status LED indicator at the top.

Back View: Displays ports and features labeled numerically:

  1. Status LED
  2. PoE Input Port
  3. Type-B USB Port (Power)
  4. QR Code
  5. Mode Button (side)
  6. Kensington Security Lock Slot

143ACM Unique Features

The 143ACM is the only mesh extender designed for wall mounting. It also includes an additional Ethernet port, which does not provide Power over Ethernet (PoE).

Conclusion

This document provides an overview of the specifications for the Cisco CBW 141ACM, 142ACM, and 143ACM Mesh Extenders. For more information, users can refer to related articles on topics such as Mesh Network Overview, Mesh FAQs, Model Decoder, Reboot Prompts, Factory Resets, and Best Practices for Cisco Business Wireless Networks.


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