D A T A

D I S T R I B U T I O N

GBS 28-Port Gigabit Switch
with LCD Control Module
User ManualProPlex GBS 28-Port LCD User Manual
ProPlex-GBS-28-Port-LCD-Manual-v1.0
Effective 26 February 2021

© Copyright 2021, TMB
All rights reserved
TMB authorizes its customers to download and print thiselectronically published manual for professional use only. TMB
prohibits reproduction, modification or distribution of thisdocument for any other purposes, without express written consent.
Specifications are subject to change without notice. Theinformation in this document supersedes all previously supplied
information before the effective date listed above. TMB has
confidence in the accuracy of the document information herein butassumes no responsibility or liability for any loss occurring as adirect or indirect result of errors or exclusions whether by accident
or any other cause.

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021

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TABLE OF CONTENTS
LIMITED WARRANTY .................................................................................................................................................................. 4
PRODUCT OVERVIEW ................................................................................................................................................................ 5
SETUP ............................................................................................................................................................................................. 7
UNPACKING INSTRUCTIONS ............................................................................................................................................................................ 7
POWER REQUIREMENTS .................................................................................................................................................................................. 7
SAFETY INSTRUCTIONS.................................................................................................................................................................................... 7
FUSE REPLACEMENT ....................................................................................................................................................................................... 7OPERATION .................................................................................................................................................................................. 8
CONTROL PANEL NAVIGATION ......................................................................................................................................................................8
MENU MAP .......................................................................................................................................................................................................9LED INDICATORS ........................................................................................................................................................................................... 10
DEFAULT VLAN GROUP CONFIGURATION .................................................................................................................................................. 11
TECHNICAL SPECIFICATION ...................................................................................................................................................13
RETURN PROCEDURE .............................................................................................................................................................. 14

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021

3LIMITED WARRANTY
ProPlex GBS Devices are warranted by TMB against defective materials or workmanship for a period of two(2) years from the date of original sale by TMB.
TMB’s warranty shall be restricted to the repair or replacement of any part that proves to be defective and forwhich a claim is submitted to TMB before the expiration of the applicable warranty periods.
This Limited Warranty is void if the defects of the Product are the result of:•••Opening the casing, repair, or adjustment by anyone other than TMB or persons specifically authorized byTMB
Accident, physical abuse, mishandling, or misapplication of the product.
Damage due to lightning, earthquake, flood, terrorism, war, or act of God.

TMB will not assume responsibility for any labor expended, or materials used, to replace and/or repair theProduct without TMB’s prior written authorization. Any repair of the Product in the field, and any associatedlabor charges, must be authorized in advance by TMB. Freight costs on warranty repairs are split 50/50:
Customer pays to ship defective product to TMB; TMB pays to ship repaired product, ground freight, back toCustomer.
This warranty does not cover consequential damages or costs of any kind.
A Return Merchandise Authorization (RMA) Number must be obtained from TMB prior to return of any defective
merchandise for warranty or non-warranty repair. For all repairs please contact TMB Tech Support Repair using
the contact information below or email TechSupportRepairNA@tmb.com.
US527 Park Ave.
San Fernando, CA 91340
Tel: +1 818.899.8818
Fax: +1 818.899.8813
tmb-info@tmb.com
www.tmb.com

UK
21 Armstrong Way
Southall, UB2 4SD England
Tel: +44 (0)20.8574.9700
Fax: +44 (0)20.8574.9701
tmb-info@tmb.com
www.tmb.com

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PRODUCT OVERVIEW
ProPlex GBS Gigabit Ethernet switches are designed for portable entertainment production and are part of theProPlex Data Distribution range of products for complete touring show data management. The rugged ProPlex
GBS 28-Port is suitable for high-volume, multicast, video, audio, or lighting data. Features include:••••••••

Reconfigurable! Any combination of data port modules can be moved between front and rear panels forpractical gig-specific wiring.
Built for extreme conditions. Shock-mounted circuitry. Advanced thermal management.
Fibre option via one or two heavy-duty OpticalCON QUAD connectors. OpticalCON DUO also available byspecial order.
Gigabit Ethernet: 26 ports with tour-grade EtherCON connectors and 2 heavy-duty OpticalCON QUADconnectors.
Onboard LCD interface simplifies management with a variety of pre-set VLAN configurations and managed
switch options.
Compatible with a wide range of entertainment-specific protocols, including sACN, ArtNet, CobraNet, Dante,ETCNet, Ethersound, MA-Net, and more!
Variable power input, 100-240 VAC, 50-60 Hz with PowerCON connector.
ProPlex “Blue Box” RackMount, rugged tour-ready enclosure.

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DIMENSIONS

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SETUP
UNPACKING INSTRUCTIONS
Upon receipt of the unit, carefully unpack the carton and check the contents to ensure that all parts arepresent and in good condition. Notify the shipper immediately and retain packing material for inspection if anyparts appear to be damaged from shipping or if the carton itself shows signs of mishandling. Save the carton
and all packing materials. In the event that a unit must be returned to the factory, it is important that it bereturned in the original factory box and packing.

POWER REQUIREMENTS
Before powering the unit, make sure the line voltage is within the range of accepted voltages. This unit
accommodates 100-240VAC, 50/60Hz. All units must be powered directly from a switched circuit and cannot
be operated with a rheostat (variable resistor) or dimmer circuit, even if the rheostat or dimmer channel is usedsolely for a 0-100% switch.

SAFETY INSTRUCTIONS
Please read these instructions carefully. This user guidecontains important information about the installation, usage,and maintenance of this product.
•••••••••

Keep this User Guide for future reference. If unit is sold to another user, make sure they also receive thisinstruction booklet.
Ensure the unit is connected to proper voltage, and that line voltage is not higher than that stated on the device.
Make sure there are no flammable materials close to the unit while operating.
Always disconnect from the power source before servicing or fuse replacement. Always use the fuse specified inthis manual.
Maximum ambient temperature (Ta) is 40°C (104°F). Do not operate unit at temperatures above this rating.
In the event of a serious operating problem, stop using the unit immediately. Repairs must be carried out by
trained, authorized personnel. Contact the nearest authorized technical assistance center. Only OEM spare parts
should be used.
Do not power the device with a dimmer circuit.
Make sure power cord is never crimped or damaged.
Never disconnect power cord by pulling or tugging on the cord.

Caution! There are no user serviceable parts inside the unit. Do not open the housing or attempt any repairs
yourself. In the unlikely event your unit may require service, please contact your distributor.

FUSE REPLACEMENTThe GBS 28-port uses a 1.5A, 250V type 3AG SB(T) fuse.
To replace fuse:
1.
With a screwdriver, turn the fuse cap counter-clockwise to remove fuse cap with fuse.
2.
Replace fuse attached to fuse cap.
3.
Reinsert fuse cap with new fuse and tighten clockwise.

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OPERATIONCONTROL PANEL NAVIGATIONThe LCD Control Panel has built-in navigation buttons and OLED screen to show the current mode selection anddisplay other menu functions. Easy mode selections are available through the LCD Control Panel, giving a variety ofVLAN configurations alongside common managed switch settings enabling RSTP and IGMP. Various menus arenavigated with the LEFT and RIGHT button, and are accessed by the OK button.
BOOT SCREEN – The device will show a Boot Screen when powering on the first time. The boot process can last forup to one minute.

OLED SCREEN - The OLED screen will always show the current operating mode and description.

LEFT and RIGHT – Navigates and scrolls through the various internal menu structure. Current highlighted menu
options are indicated on screen and are accompanied by port LED activity.
OK – Allows mode selection and loading once highlighted

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021

8MENU MAP
Unmanaged

All settings are off, no VLAN groups

ManagedRSTP ON
IGMP ONQoS ONDHCP + Managed

RSTP ON
IGMP ONQoS ONDHCP ON

2 groups/VLANs + Managed

RSTP ON
IGMP ONQoS ON
2 group VLAN

3A groups/VLANs + Managed

RSTP ON
IGMP ONQoS ON
3 group VLAN (A Configuration)

3B groups/VLANs + Managed

RSTP ON
IGMP ONQoS ON
3 group VLAN (B Configuration)

4 groups/VLANs + Managed

RSTP ON
IGMP ONQoS ON
4 group VLAN

6 groups/VLANs + Managed

RSTP ON
IGMP ONQoS ON
6 group VLAN

Custom/Unknown*

Other configuration different than default modes*custom configurations are avaialble through GUI management interface. Contact techsupport@tmb.com for more information

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021

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LED INDICATORS

Device Status LED
On bootup, the Device Status LED will glow yellow. When boot is complete and device is ready for operation, Device
Status LED will be green.

Trunk Port Activity LEDs
Trunk ports are always set as trunks in every mode selection. When connected to a network, Trunk Port Activity LEDs
will show connection speed.
•Blinking Green: 1 Gbps

•Blinking Orange: 100 Mbps

Port Data Activity LEDs
On bootup, the Port Data Activity LEDs will glow white in a wave pattern. When boot is complete, Port Data Activity
LEDs will change color depending on the current mode selection.
When mode selection is initiated, each VLAN grouping will change its Port Data Activity LED to the representative
VLAN color. The groups will also identify visually by white flashing (1-6 times depending on VLAN number) which will
cascade through each group consecutively.

(Red)(Green)(Blue)(Yellow)(Magenta)(Turquoise)
Unamanged, Managed, and Managed + DHCP modes are represented by White LEDs.

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DEFAULT VLAN GROUP CONFIGURATION

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ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021

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TECHNICAL SPECIFICATION
Model

ProPlex GBS 28-Port Dual Fibre w/ LCDPart NumberPPGBS226LR

Ethernet Ports

26 Neutrik EtherCon RJ45 (24 LAN, 2 Trunk)

Fibre Ports

2 Neutrik OpticalCon QUAD (2 Trunk)

Ethernet TypeGigabitSwitching Capacity

56.0 Gigabits per second (Gbps)

Packet Buffer Memory

12 Mb

Forwarding Rate

41.66 Million Packets per Second (mpps) (64-byte packets)

Power Input

100-240 VAC, 50-60 Hz

Power Consumption

30 W

Power Connector

Neutrik PowerCon

Cooling
Operating Temperature

Convection+32º to +104º F [0º to +40º C]

Unit Dimensions (WxHxD)
Shipping Dimensions (WxHxD)

19.2 x 3.5 x 18.16 in[487.6 x 88.8 x 461.2 mm]
23 x 6 x 21.5 in[584.2 x 152.4 x 546.1 mm]

Unit Weight36.1 lb [16.37 kg]

Shipping Weight38.1 lb [17.28 kg]

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021

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RETURN PROCEDURE
Please send returned merchandise prepaid and in the original packing. Freight call tags will not be issued forshipping the product to TMB, but TMB will pay the freight for return to the customer. Clearly label packagewith a Return Merchandise Authorization Number (RMA #). Products returned without an RMA # will delay
service. Please contact TMB and request an RMA # prior to shipping the unit. Be prepared to provide themodel number, serial number, and a brief description of the cause for the return. Be sure to properly pack theunit; any shipping damage resulting from inadequate packaging is the customer’s responsibility. TMB reserves
the right to use its own discretion to repair or replace product(s). Proper UPS packing or double-boxing will
better ensure product integrity when shipped.
Note: If you are given an RMA #, please include the following information on a piece of paper inside the box:
1) Your name2) Your address3) Your phone number
4) The RMA #5) A brief description of the symptoms

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CONTACT INFORMATIONLOS ANGELES HEADQUARTERS
527 Park Avenue | San Fernando, CA 91340, USA
Tel: +1 818.899.8818 | Fax: +1 818.899.8813
sales@tmb.com

TMB 24/7 TECH SUPPORTUS/Canada: +1.818.794.1286
Toll Free: 1.877.862.3833 (1.877.TMB.DUDE)
UK: +44 (0)20.8574.9739
Toll Free: 0800.652.5418
techsupport@tmb.com

LOS ANGELES +1 818.899.8818
LONDON +44 (0)20.8574.9700
NEW YORK +1 201.896.8600
BEIJING +86 10.8492.1587
CANADA +1 519.538.0888

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Providing products and services for the industrial,entertainment, installation, defense, broadcast,research, telecommunications, and signage industries.
Servicing the global market from offices inLos Angeles, London, New York, Toronto, and Beijing.