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1. Description
The TC3020R/S gives users the ability to convert Multimode fiber optic signals to Single Mode format for
data transmission (and vice-versa). These conversions can benefit users by extending transmission
distances and/or enabling dissimilar fiber optic devices to be used with different fiber types. The optic
receiver detects the incoming optical signal and regenerates it for transmission through the second optic
transmitter. The TC3020R/S is available in multiple configurations depending on your communication
requirements. When both sides have the same wavelength, the unit works like an optical signal repeater.
2. Data Rate
5Mbps (Burst or Continuous Data)
3. Optical Specifications
Transmitter:
LED; typical Launch Power:
ELED; typical Launch Power:
Receiver:
PIN DIODE; typical Sensitivity:
Loss Budget: 850nm/1300nm, MM @62.5/125µm 7 dB
1300/1550nm, SM @9/125µm
Distance:
850nm Multimode @62.5/125µm
1300nm Multimode @62.5/125µm up to 4km*
1300nm Single Mode @9/125µm
1550nm Single Mode @9/125µm
Wavelength:
Note: Any two wavelength combinations are available on each unit.
850nm Multimode (LED)
1300nm Multimode (LED)
1300nm Single Mode (ELED)
1550nm Single Mode (ELED)
Connector:
ST
FC
*Launch power, sensitivity and distance are listed for reference only. These numbers may vary.
4. Power Requirements
The TC3020R/S consumes very low power. The connector is a terminal block with polarity indicated on
the rear panel of the unit. The input voltage is 12VDC and current is typically @200mA. Should an
external power adapter need to be replaced, use one that matches these specifications. You may order it
from TC Communications.
5. Physical Characteristics (Stand Alone Unit)
Height:
1.4" (3.5 cm)
Width:
7.2" (18.2 cm)
Depth:
6.6" (16.6 cm)
Weight:
1.5 lbs (532 gm)
TC3020R/S
5Mbps Fiber Optic Mode Converter/Repeater
User's Manual
TC Communications, Inc. 17575 Cartwright Road - Irvine, CA 92614
Tel: (949) 852-1972 Fax: (949) 852-1948 Web Site: www.tccomm.com Email: info@tccomm.com
-18 dBm* (850nm/1300nm Multimode @62.5/125µm)
-18 dBm* (1300/1550nm Single Mode @9/125µm)
-25 dBm* (850nm/1300nm Multimode @62.5/125µm)
-33 dBm* (1300/1550nm Single Mode @9/125µm)
15 dB
up to 3km*
up to 26km*
up to 30km*
Model TC3020R-01XX-XXXX-XX
Model TC3020R-03XX-XXXX-XX
Model TC3020R-05XX-XXXX-XX
Model TC3020R-07XX-XXXX-XX
Model TC3020R-XXST-XXXX-XX
Model TC3020R-XXFC-XXXX-XX
−1−
© COPYRIGHT 1992-2002. ALL RIGHTS RESERVED.
TC3020R/S
User's Manual
Rev. 1.7
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Summary of Contents for TC Communications TC3020R
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Page 1: Optical Specifications
User's Manual 1. Description The TC3020R/S gives users the ability to convert Multimode fiber optic signals to Single Mode format for data transmission (and vice-versa). These conversions can benefit users by extending transmission distances and/or enabling dissimilar fiber optic devices to be used with different fiber types. The optic receiver detects the incoming optical signal and regenerates it for transmission through the second optic transmitter. - Page 2 TC3020R/S User's Manual Rev. 1.7 6. LEDs, DIP Switches and Connectors Figure 1. TC3020R/S’s Front Panel −2−...
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Page 3: Installation
TC3020R/S User's Manual Rev. 1.7 7. Installation Figure 2. Installation Diagram for Dual TC3020R/S Application Figure 3. Installation Diagram for Single TC3020R/S Application −3−... -
Page 4: Troubleshooting
The TC3020R/S has been adjusted at the factory so that the Single Mode transmitter will not overdrive the Single Mode receiver even when short cables are used to connect them; hence, the overdrive condition happens most frequently at the Multimode receiver optic. - Page 5 TC3020R/S User's Manual Rev. 1.7 Performing the Single Mode Loopback Test using one (1) TC3020. The purpose of this test is to verify that the optical Singlemode TX/RX connectors are receiving and trans- mitting the incoming signal coming from the PC back to the PC. This test will ensure that the TC3020 unit(s) are working properly.
- Page 6 TC3020R/S User's Manual Rev. 1.7 Figure 6. Single Mode Loopback test on unit B. Performing the Multimode Loopback Test using one (1) TC3020. The purpose of this test is to verify that the optical Multimode TX/RX connectors are receiving and transmitting the incoming signal coming from the PC back to the PC.
- Page 7 TC Communications, Inc., transportation charges prepaid, for examination by TC Communications, Inc. Buyer shall bear the risk of loss until all goods authorized to be returned are delivered to TC Communications, Inc. TC Communications, Inc. shall not be liable for any inspection, packing or labor costs in connection with the return of goods.