
1x4 3G-SDI Splitter
Quick Installation Guide
Introduction
The 1x4 3G-SDI Splitter allows you to broadcast
3G-SDI signals from one source to four outputs.
Key Features and Benefits
• Replicates and distributes content from 1
3G-SDI source to 4 outputs
• Operates at 270Mb/s, 1.485Gb/s and
2.97Gb/s data rates
• Supports HD formats:
• 720p24, 25, 30, 50 & 60
• 1080i50 & 60
• 1080p24, 25, 30, 50 & 60
• Supports 525i & 625i SD formats
• Metal housing and wall-mountable
Package Contents
• 1x4 3G-SDI Splitter
• Power adapter
• Quick installation guide
04-0732A
1

Layout
LED indicators
USB port
(for future firmware
upgrade)
Figure 1: Layout
Power jack adapterSDI IN
SDI OUT
Hardware Installation
1. Power off all devices you plan to connect to
this splitter.
2. Connect your SDI source to the splitter’s
SDI IN connector using a SDI cable (not
included).
3. Connect your displays to the splitter’s SDI
OUT connectors using a SDI cables (not
included).
4. Connect the splitter's power adapter.
5. Turn on the displays, then the SDI source.
6. The 1x4 3G-SDI Splitter is now ready to use.
2

Dip Switch
• Re-Clock: Receives a signal and retransmits
it at a higher level and /or higher power, or
onto the other side of an obstruction, so the
signal can cover longer distances
• LB SEL0: Disabled (Not used)
• LB SEL1: Disabled (Not used)
Note: Pin up: Enabled (on)
Pin down: Disabled (off)
LB SEL1
(Not used)
LB SEL0
(Not used)
Figure 2: Dip Switch
Re-Clock
3

Technical Support and Warranty
QUESTIONS? SIIG’s Online Support has answers! Simply visit our web site at
www.siig.com and click Support. Our online support database is updated daily with
new drivers and solutions. Answers to your questions could be just a few clicks away.
You can also submit questions online and a technical support analyst will promptly
respond.
SIIG offers a 3-year manufacturer warranty with this product. This warranty covers the
original purchaser and guarantees the product to be free of any defects in materials or
workmanship for three (3) years from the date of purchase of the product.
SIIG will, at our discretion, repair or replace (with an identical product or product
having similar features and functionality) the product if defective in materials or
workmanship. This warranty gives you specific legal rights, and you may also have other
rights which vary from state to state. Please see our web site for more warranty details.
If you encounter any problems with this product, please follow the procedures below.
A) If it is within the store's return policy period, please return the product to the store
where you purchased from.
B) If your purchase has passed the store's return policy period, please follow the steps
below to have the product repaired or replaced.
Step 1: Submit your RMA request.
Go to www.siig.com, click Support, then REQUEST A PRODUCT REPLACEMENT
to submit a request to SIIG RMA or fax a request to 510-657-5962. Your RMA request
will be processed, if the product is determined to be defective, an RMA number will
be issued.
Step 2: After obtaining an RMA number, ship the product.
• Properly pack the product for shipping. All accessories that came with the
original package must be included.
• Clearly write your RMA number on the top of the returned package. SIIG will
refuse to accept any shipping package, and will not be responsible for a product
returned without an RMA number posted on the outside of the shipping
carton.
• You are responsible for the cost of shipping to SIIG. Ship the product to the
following address:
SIIG, Inc.
6078 Stewart Avenue
Fremont, CA 94538-3152, USA
RMA #:
• SIIG will ship the repaired or replaced product via Ground in the U.S. and
International Economy outside of the U.S. at no cost to the customer.
7

About SIIG, Inc.
Founded in 1985, SIIG, Inc. is a leading manufacturer of IT connectivity solutions
(including Serial ATA and Ultra ATA Controllers, FireWire, USB, and legacy I/
O adapters) that bridge the connection between Desktop/Notebook systems and
external peripherals. SIIG continues to grow by adding A/V and Digital
Signage connectivity solutions to our extensive portfolio.
SIIG products offer comprehensive user manuals, many user-friendly features,
and are backed by an extensive manufacturer warranty. High quality control
standards are evident by the overall ease of installation and compatibility of
our products, as well as one of the lowest defective return rates in the industry.
SIIG products can be found in computer retail stores, mail order catalogs,
through major distributors, system integrators, and VARs in the Americas and
the UK, and through e-commerce sites.
PRODUCT NAME
1x4 3G-SDI Splitter
FCC RULES: TESTED TO COMPLY WITH FCC PART 15, CLASS B
OPERATING ENVIRONMENT: FOR HOME OR OFFICE USE
FCC COMPLIANCE STATEMENT:
This device complies with part 15 of the FCC Rules. Operation is subject
to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
THE PARTY RESPONSIBLE FOR PRODUCT COMPLIANCE
SIIG, Inc.
6078 Stewart Avenue
Fremont, CA 94538-3152, USA
Phone: 510-657-8688
1x4 3G-SDI Splitter is a trademark of SIIG, Inc. SIIG and the SIIG logo are registered
trademarks of SIIG, Inc. All other names used in this publication are for identification only
and may be trademarks of their respective owners.
October, 2011 Copyright © 2011 by SIIG, Inc. All rights reserved