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Channel Bank Models


The Rhino FXS analog interface provides standard battery and ringing voltages to each of up to 24 loop or ground start analog channels.

Each channel provides:

  • Embedded Silicon Labs SLIC with Digital DSP
  • User programmable line current limit from 18ma to 45mA
  • User programmable Tx and Rx gain control of -5db to +6db

The Rhino FXO analog interface requires a standard POTs analog telephone line up to 24 inputs

Each channel provides:

  • Embedded Silicon Labs DAA with Digital DSP
  • User programmable Tx and Rx gain control of -15db to +12db
  • Country specific impedance tables

The Rhino modular channel bank allows for installation of either a 4-channel FXS or 4-channel FXO analog daughter card, with up to six total modules in any populated manner. If the slots are to be used as data, there is no need to install an analog card.


Channel Bank Specs

Rhino Channel Bank Models

FXS Series

  • CB24-FXS-110V and -48VDC - T1, 24 FXS analog channels, 110VAC and -48VDC
  • CB24-FXS-220V and -48VDC - T1, 24 FXS analog channels, 220VAC and -48VDC

FXO Series

  • CB24-FXO-110V and -48VDC - T1, 24 FXO analog channels, 110VAC and -48VDC
  • CB24-FXO-220V and -48VDC - T1, 24 FXO analog channels, 220VAC and -48VDC

Modular Series

  • CB24-MOD-110V and -48VDC - T1, 4-24 FXS/FXO analog channels, 110VAC and -48VDC
  • CB24-MOD-220V and -48VDC - T1, 4-24 FXS/FXO analog channels, 220VAC and -48VDC

The modular Rhino channel bank can be ordered with four to 24 channels of either FXS or FXO analog channels installed in increments of four channels up to six modules. All Rhino channel banks come in 110VAC,/220VAC with -48V DC input. The only difference between the 110V model and the 220V model is the included power supply cord. All Rhino CB24 models are identical.

Power Consumption:
Maximum power consumption (under full load) will not exceed 100W.
Size :
3.5” tall (2U), 17” wide and 8.5” deep
Weight : 
12 pounds for the CB24 bare unit, 14 pounds with shipping carton and all included items

What Comes in the Box?

  • Rhino Channel Bank
  • 110V or 220V power cord
  • 5 foot RJ21 male-to-male cable
  • 5 foot T1 straight cable
  • 5 foot T1 cross over cable
  • 19", 23" or wall mount brackets (ears)
  • Rack mounting hardware

Channel Bank Pricing

Rhino offers the lowest channel bank prices on the market. We do not quote a low initial price and later sell you "more stuff" to get the job done. We will give you a low price on a solution that is complete and ready to mount, plug in and immediately begin use.

Pricing for the Rhino FXS (CB24-FXS-*) Channel Bank series - $1,495
Pricing for the Rhino FXO (CB24-FXO-*) Channel Bank series - $1,795
* - 110, 220, and -48. Standard on all new models, no extra cost!

For pricing on Modular channel banks (CB24-MOD-*) and quantity discounts please contact us at sales@rhinoequipment.com.

Every Rhino channel bank we sell comes ready to work right out of the box. We include everything needed to get you connected and running. Take a long look at our standard features list to get a feel for what we offer.


    Rhino T1 Channel Bank FXS/FXO with Data

    Rhino CB24 CAS/RBS ChannelBanks

    Rhino Equipment Corp. offers a complete line of low cost T1 CAS/RBS channel banks including:

    • 24 port FXS
    • 24 port FXO
    • Mixed-mode modular FXS/FXO, 4-port modules, six modules maximum in any configuration

    Rhino offers unique features like real-time T1 status on our four line by 40 character (4x40) LCD display, or our automatic, hands-off “Auto T1” configuration that utilizes artificial intelligence algorithms, and 100% channelized settings for both T1 and analog. Add to that Rhino crystal clear audio quality and you have a product line in a class of its own.\

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    Using Asterisk? Don't forget to pick up a Rhino T1 card to enhance the connectivity of your Rhino CB24!

    Rhino Channel Banks support Neon Bulb Message Waiting Indicators. This new feature is perfect for upgrading hotels with Asterisk, without replacing standard neon bulb message waiting hotel telephone sets. Another Rhino unique feature at the same great price. Contact our support team for more details!

    Every CB24 system comes with our standard fractional V.35 data port for use with fractional CAS or RBS T1 interfaces. In addition add our standard 110-220V and -48VDC with automatic failover universal internal power supply system to the list of standard features and Rhino crushes the competition. There just isn't a more flexible, feature rich channel bank available anywhere in the world at a better price than a Rhino CB24

    Standard Channel Bank Features
    • Asterisk soft PBX tested and ready

    • 4x40 LCD real-time status display shows independent AB bit signaling for both Tx and Rx

    • Automatic T1 configuration using artificial intelligence algorithms, no configuration DIP switches

    • T1 modes: D4 or ESF, AMI or B8ZS, via RJ48C, with line buildout programmability

    • 110V-220VAC Internal power supply module

      -48VDC secondary primary or redundant power connection, no dropout if main power fails

    • FLASH based system configuration, field software upgradeable

    • V.35 fractional data interface, user selectable to 56K or 64K

    • Self diagnostics, verbose error reporting, loopback modes

    • Single channel configuration, each channel may have a different analog start mode, signaling protocol, etc.

    • Telco network uptime and downtime, last failure history

    • Remote connection via RS-232c

    • 19”, 23” and wall mounting kit standard with rack mounting hardware included

    • 5ft straight T1 and T1 crossover cable (for Asterisk installs), 25 pair analog cable and a 110 or 220 power cable included.

    • Immediate, Wink, Loop, Ground, RevPol, ADID or CAMA

    • Distinctive ring in Loop start mode

    • Caller ID enabled in Loop start mode

    • Low cost fully populated FXS, fully populated FXO, or modular FXS/FXO mixed mode capable

    • 5-year limited warranty