ProPlex GBS 28-Port Dual Fibre w/LCD User manual

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 v1.0 – 26 February 2021 2
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 this
electronically published manual for professional use only. TMB
prohibits reproduction, modification or distribution of this
document for any other purposes, without express written consent.
Specifications are subject to change without notice. The
information 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 but
assumes no responsibility or liability for any loss occurring as a
direct 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 3
TABLE OF CONTENTS
LIMITED WARRANTY..................................................................................................................................................................4
PRODUCT OVERVIEW................................................................................................................................................................5
SETUP.............................................................................................................................................................................................7
UNPACKING INSTRUCTIONS ............................................................................................................................................................................7
POWER REQUIREMENTS..................................................................................................................................................................................7
SAFETY INSTRUCTIONS....................................................................................................................................................................................7
FUSE REPLACEMENT .......................................................................................................................................................................................7
OPERATION ..................................................................................................................................................................................8
CONTROL PANEL NAVIGATION ......................................................................................................................................................................8
MENU MAP .......................................................................................................................................................................................................9
LED 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 4
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 for
which 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 by
TMB
•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 the
Product without TMB’s prior written authorization. Any repair of the Product in the field, and any associated
labor 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 to
Customer.
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 [e-mail].
US UK
527 Park Ave. 21 Armstrong Way
San Fernando, CA 91340 Southall, UB2 4SD England
Tel: [phone] Tel: [phone]
Fax: [phone] Fax: [phone]
[e-mail] [e-mail]
www.tmb.com www.tmb.com

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 5
PRODUCT OVERVIEW
ProPlex GBS Gigabit Ethernet switches are designed for portable entertainment production and are part of the
ProPlex 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 for
practical 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 by
special order.
•Gigabit Ethernet: 26 ports with tour-grade EtherCON connectors and 2 heavy-duty OpticalCON QUAD
connectors.
•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.

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 6
DIMENSIONS

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 7
SETUP
UNPACKING INSTRUCTIONS
Upon receipt of the unit, carefully unpack the carton and check the contents to ensure that all parts are
present and in good condition. Notify the shipper immediately and retain packing material for inspection if any
parts 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 be
returned 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 used
solely for a 0-100% switch.
SAFETY INSTRUCTIONS
• Keep this User Guide for future reference. If unit is sold to another user, make sure they also receive this
instruction 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 in
this 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 REPLACEMENT
The 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.
Please read these instructions carefully. This user guide
contains important information about the installation, usage,
and maintenance of this product.

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 8
OPERATION
CONTROL PANEL NAVIGATION
The LCD Control Panel has built-in navigation buttons and OLED screen to show the current mode selection and
display other menu functions. Easy mode selections are available through the LCD Control Panel, giving a variety of
VLAN configurations alongside common managed switch settings enabling RSTP and IGMP. Various menus are
navigated 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 for
up 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 9
MENU MAP
Unmanaged
All settings are off, no VLAN groups
Managed
RSTP ON
IGMP ON
QoS ON
DHCP + Managed
RSTP ON
IGMP ON
QoS ON
DHCP ON
2 groups/VLANs + Managed
RSTP ON
IGMP ON
QoS ON
2 group VLAN
3A groups/VLANs + Managed
RSTP ON
IGMP ON
QoS ON
3 group VLAN (A Configuration)
3B groups/VLANs + Managed
RSTP ON
IGMP ON
QoS ON
3 group VLAN (B Configuration)
4 groups/VLANs + Managed
RSTP ON
IGMP ON
QoS ON
4 group VLAN
6 groups/VLANs + Managed
RSTP ON
IGMP ON
QoS ON
6 group VLAN
Custom/Unknown*
Other configuration different than default modes
*custom configurations are avaialble through GUI management interface. Contact [e-mail] for more information

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 10
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.

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 11
DEFAULT VLAN GROUP CONFIGURATION

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 12

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 13
TECHNICAL SPECIFICATION
Model ProPlex GBS 28-Port Dual Fibre w/ LCD
Part Number PPGBS226LR
Ethernet Ports 26 Neutrik EtherCon RJ45 (24 LAN, 2 Trunk)
Fibre Ports 2 Neutrik OpticalCon QUAD (2 Trunk)
Ethernet Type Gigabit
Switching 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 Convection
Operating Temperature +32º to +104º F [0º to +40º C]
Unit Dimensions (WxHxD) 19.2 x 3.5 x 18.16 in
[487.6 x 88.8 x 461.2 mm]
Shipping Dimensions (WxHxD) 23 x 6 x 21.5 in
[584.2 x 152.4 x 546.1 mm]
Unit Weight 36.1 lb [16.37 kg]
Shipping Weight 38.1 lb [17.28 kg]

ProPlex GBS 28-Port LCD User Manual v1.0 – 26 February 2021 14
RETURN PROCEDURE
Please send returned merchandise prepaid and in the original packing. Freight call tags will not be issued for
shipping the product to TMB, but TMB will pay the freight for return to the customer. Clearly label package
with 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 the
model number, serial number, and a brief description of the cause for the return. Be sure to properly pack the
unit; 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 name
2) Your address
3) Your phone number
4) The RMA #
5) A brief description of the symptoms

CONTACT INFORMATION
LOS ANGELES HEADQUARTERS
527 Park Avenue | San Fernando, CA 91340, USA
Tel: [phone] | Fax: [phone]
[e-mail]
TMB 24/7 TECH SUPPORT
US/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
[e-mail]
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
A full service company providing technical
support, customer service, and follow-up.
Providing products and services for the industrial,
entertainment, installation, defense, broadcast,
research, telecommunications, and signage industries.
Servicing the global market from offices in
Los Angeles, London, New York, Toronto, and Beijing.