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TC Communications TC3705 User Manual

10/100base-t ethernet fiber optic switch
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1. Features
4 Ethernet 10/100Base-T Auto-Sensing Twisted Pair Ports with RJ-45 Connectors
1 Fiber Optic 100Base-FX Port
MDI/MDIX Auto Detection and Operation on Twisted Pair Ports
Full or Half Duplex Transfer Mode for each Twisted Pair Ports
Multimode (1310nm) and Single Mode (1310nm/1550nm)
Distances up to 80km
Hardened Temperature (optional), -40°C to 80°C
Standalone or Rackmount
Alarm Relay
2. Standards
IEEE 802.3, 802.3u, and 802.3x
3. Description
Featuring distances up to 80km, the TC3705 10/100Base-T Ethernet Fiber Optic Switch provides a 100Base-
FX port that combines Ethernet Switching and Fiber Optic technology to boost total network bandwidth.
The TC3705 offers one multimode (1300nm) or single mode (1300/1550nm) optical port and four Ethernet
10/100Base-T Auto-Sensing/Auto-Negotiation switched ports. Each of these ports supports either 10Base-
T or 100Base-TX. There are two optional versions (Model TC3705T) for extreme temperature applications
(-20C to 70C, -40C to 80C).
Because it functions like an Ethernet bridge (connects multiple Ethernet segments to prevent unnecessary
network traffic), it creates an efficient sub-divided switched LAN that provides full and transparent
bandwidth for each segment.
The TC3705's modern switching technology eliminates the congestion problem inherent to the contention-
oriented Ethernet CSMA/CD protocol. This improves predictable response times under heavy network
loads. Previously, expensive routing technology was used to alleviate congestion from heavy traffic
loads.Power is 12VDC, optional 24VDC, -48VDC, 125VDC, or 115/230VAC with an external power cube.
Units are standalone or 19" rack mountable. Optical connectors can be SC, ST or FC.

4. Electrical Specifications

Data Rates:
10Mbps/100Mbps auto negotiation
Connectors:
RJ-45 Female
5. Temperature
Operating..............................................................................................................................-10
TC3705
10/100Base-T Ethernet Fiber Optic Switch
User's Manual
TC Communications, Inc. 17881 Cartwright Road - Irvine, CA 92614
Tel: (949) 852-1972 Fax: (949) 852-1948 Web Site: www.tccomm.com Email: info@tccomm.com
© COPYRIGHT 1992-2007. ALL RIGHTS RESERVED.
−1−
TC3705 User's Manual
Rev. 1.2
C to 50
C
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Summary of Contents for TC Communications TC3705

  • Page 1: Electrical Specifications

    IEEE 802.3, 802.3u, and 802.3x 3. Description Featuring distances up to 80km, the TC3705 10/100Base-T Ethernet Fiber Optic Switch provides a 100Base- FX port that combines Ethernet Switching and Fiber Optic technology to boost total network bandwidth. The TC3705 offers one multimode (1300nm) or single mode (1300/1550nm) optical port and four Ethernet 10/100Base-T Auto-Sensing/Auto-Negotiation switched ports.

  • Page 2: Optical Specifications

    TC3705 User's Manual Rev. 1.2 6. Optical Specifications Multimode Model Transmitter: LED; typical Launch Power: -17.0 dBm* (1310nm, @62.5/125µm) Receiver: PIN Diode; typical Sensitivity: -33.0 dBm* (1310nm, @62.5/125µm) Optic saturation level: -11.0 dBm*(1310nm, @62.5/125µm Loss Budget: 1310nm Multimode @62.5/125µm: 15 dB Distance: 1310nm Multimode, @62.5/125µm:...
  • Page 3 TC3705 User's Manual Rev. 1.2 Single Fiber, 50km Model Transmitter: Typical Launch Power: -8 to -3 dBm* (1310nm/1550nm, @9/125µm) Receiver: PIN Diode; typical Sensitivity: -33.0 dBm* (1310nm/1550nm, @9/125µm) Optic saturation level: -3 dBm* Loss Budget: 1310nm/1550nm Single Mode, @9/125µm: 29 dB Distance: 1310nm/1550nm Single Mode, @9/125µm: up to 50km distance...

  • Page 4: Connectors And Led Indicators

    LED Indicators for: Receiver and Transmiter Power A, Power B and 5V voltage regulated from power A and power B. Figure 1. TC3705's Front Panel Dry Contact Relay (Normal Open) Four RJ-45 10/100Mbps Ports Redundant power supply for the twisted pair connection.

  • Page 5: Typical Application Diagram

    Rev. 1.2 8. Typical Application Diagram The TC3705 10/100Mbps Ethernet Switch is a low cost and flexible solution to extend a local area network to a remote site through fiber optic cables. Providing bandwidth solution to efficiently handle the traffic between the local and the remote workgroups of the network and reducing the need of expensive routers that usually cater to the network backbone.
  • Page 6 Rev. 1.2 9. Hub Topology Diagram You can use the TC3705's for a variety of network configurations. For example, connect up to four hubs or switches to develop workgroups with dedicated 10/100Mbps links. Connect your routers, printers, servers, and other network devices.
  • Page 7 A. The TC3705's input voltage is 12V DC and current is 600mA. B . The TC3705's power connectors are two terminal blocks located on the rear panel of the unit. Polarity is indicated on each connector block (see Figure 2).

  • Page 8: Physical Characteristics

    Dry Contact Alarm Condition: When the front panel LINK/ACT LED is lit and/or blinking, the TC3705 is working well and thus it is not in Alarm Condition. Otherwise, if the LINK/ACT LED is "Off" the TC3705 will be in Alarm Condition and the Dry Contact Relay will be activated.

  • Page 9: Return Policy

    Buyer should notify TC Communications, Inc. promptly in writing of any claim based upon warranty, and TC Communications, Inc., at its option, may first inspect such goods at the premises of the Buyer, or may give written authorization to Buyer to return the goods to TC Communications, Inc., transportation charges prepaid, for examination by TC Communications, Inc.

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