Belden, Belden Sending All The Right Signals, and the Belden logo are trademarks or
registered trademarks of Belden Inc. or its affiliated companies in the United States and
other jurisdictions. Grass Valley, TelePort 3G are trademarks or registered trademarks of
Grass Valley. Belden Inc., Grass Valley, and other parties may also have trademark rights in
other terms used herein.
Terms and Conditions
Please read the following terms and conditions carefully. By using TelePort 3G
documentation, you agree to the following terms and conditions.
Grass Valley, a Belden Brand (“Grass Valley”) hereby grants permission and license to owners
of TelePort 3G to use their product manuals for their own internal business use. Manuals for
Grass Valley products may not be reproduced or transmitted in any form or by any means,
electronic or mechanical, including photocopying and recording, for any purpose unless
specifically authorized in writing by Grass Valley.
A Grass Valley manual may have been revised to reflect changes made to the product
during its manufacturing life. Thus, different versions of a manual may exist for any given
product. Care should be taken to ensure that one obtains the proper manual version for a
specific product serial number.
Information in this document is subject to change without notice and does not represent a
commitment on the part of Grass Valley.
Warranty information is available in the Support section of the Grass Valley Web site
(www.miranda.com).
The TelePort is a CWDM multiplexer. It takes in optical signals within the 1200nm to
1670nm optical window, receives those signals, does an optical to electrical conversion retransmits them (electrical to optical) onto the proper wavelengths and then multiplexes
them using a CWDM optical multiplexer onto one fiber. This results in up to 16 signals per
fiber.
The TelePort is available in three versions:
• Version 1: supports 16 channels of transmission over a single fiber and pairs with a 16
channel receiver at the other end of the fiber link.
• Version 2: transmits eight channels and receives eight channels over two fibers (one
fiber for each direction) and pairs with an identical model at the other end.
• Version 3: sends eight signals and receives eight signals, but uses only one fiber and
requires different models for each end of the link.
In all models, singlemode fiber is required.
The optical signal that you supply to the TelePort must be digital and must be 3 Gb/sec or
less. There is no requirement that this optical signal originate from a Grass Valley product.
The TelePort 3G provides LEDs to indicate the presence of a Fiber optic signal at each front
panel ST Fiber Connector. The TelePort 3G features an integrated optical power meter for
monitoring received optical power and other system parameters.
The TelePort 3G also features dual 12-18 VDC power inputs for electrical redundancy.
In Figure 1-1, a 16 Channel TelePort 3G Transmitter is connected to a 16 Channel TelePort
3G Receiver. Half of the total capacity connects to a remote set of production cameras to
the central control center. The open eight channels can be used for audio or data feeds, as
well as video monitoring feeds.
Fig. 1-1: Possible uses for the TelePort 3G
2
Fiber Cable Overview
Fiber Optics and Fiber Optic Cable are the core technologies at the heart of the TelePort 3G
system. The ability to multiplex and de-multiplex multiple ranges of fiber optic signals
carrying SDI, Audio, and Data is what enables the TelePort 3G. The specific theory and
operation of Fiber Optics is beyond the scope of this document.
TelePort 3G
User Guide
Fig. 1-2: Single Mode Fiber Optic Cable Cross-Section
3
About TelePort 3G
Safety and Fiber Optic Systems
Safety and Fiber Optic Systems
Unpacking the TelePort 3G
Please consult your packing slip and purchase order to ensure that you have received all of
the expected components.
Inspect all components for scratches and other mechanical damage, and inspect the
electrical connectors for bent or damaged pins and latches. Report any missing or
damaged components to Grass Valley (see Product Returns on page 5).
Leave the protective caps on the optical connectors whenever the fiber is disconnected.
Optical Fiber Safety
Never look directly into the end of the optic fiber while either end of the system is
operating.
This TelePort 3G contains CDRH Class 1 laser devices. To prevent damaging your eyes,
always avoid looking directly at, or staring into, the laser light located on an optical
connector or on the end of a fiber.
Infrared radiation is produced at the fiber connection port on the rear of the TX units and at
the end of any un-terminated optical fibers that are attached to this port. Avoid any direct
exposure to the light that comes from these sources.
Do not power up the unit when no fiber connector is attached to the fiber port.
There are no manual adjustments to be made inside the TelePort 3G. Do not attemptto
perform any type of service to this instrument other than any as instructed this User Guide.
Refer all servicing to Grass Valley, a Belden Brand.
Always use cable connector caps when the cables are not connected. This protects the
connector from damage and the unlikely event of exposure to an operating optical link.
Keeping the caps in place when the connectors are not in use will prevent dirt and dust
from entering the connector and degrading the performance of the optical link.
FCC Part A Manual Notice
This equipment has been tested and found to comply with the limits for a Class A digital
device, pursuant to part 15 of the FCC rules. These limits are designed to provide
reasonable protection against harmful interference when the equipment is operated in a
commercial environment.
This equipment generates, uses and can radiate radio frequency (RF) energy and, if not
installed and used in accordance with this User Guide, it may cause harmful interference to
radio communications.
4
Product Returns
In the unlikely event of damage to your TelePort 3G during shipping or delivery please note
the damage with the delivery or shipping service and document the packaging and
product where you see damage. If any component does not work correctly out of the box
please contact Grass Valley support (see Contact Us on page 33).
If the problem cannot be remedied through a service telephone call,you will receive an
RMA number (Return of Merchandise Authorization). Please note this RMA number inside
and outside of all shipping boxes and on all documentation provided with the items to be
returned.
TelePort 3G
User Guide
5
About TelePort 3G
Product Returns
6
Hardware and Block Diagrams
This chapter lists the models available with the TelePort 3G and lists the block diagrams of
these models.
The TelePort 3G is available in a variety of standard models. The following list covers the
models available at the time of publication.
The TelePort 3G comes in five models. The three Transceiver types have identical front
panels and vary only on the rear panel depending on their Fiber Optic I/O configuration.
The Transmitter and Receiver types have their own unique models.
SDI/DATA
Part NumberTyp e
TP3-MNPP-W16Transceiver881
TP3-MNPP-W8W8Transceiver882
TP3-QUPP-W16Transceiver881
Tra nsmit
SDI/DATA
Receive
Number of
Fibers
TP3-MNQU-W16Transmitter16X1
8
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