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LASCOMM

2009 Dewberry Court, Westlake Village, CA
91361-1810

Phone 805-496-8053
Fax 805-497-3606
Email sales@lascomm.com

Fiber Optic Ethernet Communications Equipment MODEL LT3705
 
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MODEL LT3705

4 Port 10/100BaseTX Switch w/ 1 - 100Base FX Port

LT3705S Standalone Unit LT3705S (rear view)
LT3705S Standalone Unit LT3705S (rear view)

FEATURES

  • 4 Ethernet 10/100-Base Auto-Sensing UTP Ports
  • 1 Fiber Optic 100Base-FX Port
  • Distances up to 80km
  • Multimode or Single Mode (1300/1550nm)
  • Full or Half-Duplex Operation
  • Hardened Temperature (optional), -40C to 80C
  • Exceeds Pertinent NEMA & Caltrans Traffic Control Specifications
  • Rackmount or Stand Alone

APPLICATIONS

The LT3705 10/100 Ethernet Switch is a low cost and flexible bandwidth solution to efficiently handle the heavy traffic of local workgroups - reducing the need of expensive routers that usually cater to the network backbone.

OVERVIEW

Featuring distances up to 80km, the LT3705 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 LT3705 offers one multimode (1300nm) or single mode (1300/1550nm) optical port and four Ethernet 10/100Base-T Auto-Sensing switched ports. Each of these ports supports either 10Base-T or 100Base-T. There are two optional versions (Model LT3705T) 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 LT3705'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. The LT3705S is the standalone/wallmount unit. The LT3705R rackmount version fits into 19" rackmount card cages. Optical connectors can be SC, ST or FC.

TECHNICAL SPECIFICATIONS

  • Data Rates:  10/100 Mbps (Auto-Sensing)
  • Optical:
    Interface 100Base-FX
    Transmitter ELED, LASER
    Receiver PIN Diode
    Wavelength 1300nm Multimode
    1300nm, 1550nm Single Mode
    Fiber Optic Connectors ST, optional FC or SC
    Loss Budget
    (1300nm, 1550nm)
    Multimode (62.5/125µm): 15dB
    Single Mode (9/125µm): 15dB

  • Electrical: 
    Switch/HUB/Bridge Ports 4 RJ-45 Female
    Interface Ethernet 10/100Base-T
    Safety CSA
    Emission FCC Class A

  • System:
    Bit Error Rate 1 in 10^9 or better

  • Visual Indicators:
    System Status Power, Status (10)
    Port Status (Each Port) 10/100, Act, Link, Tx, Rx, Speed

  • Alarm:
    Dry Contact Normal OPEN

  • Power:
    Standard 12VDC @ 500mA
    Optional 24VDC, -48VDC, 125VDC or 115/230VAC
    (with external power cube)

  • Temperature:
    Operating -10° to 50°C
    High Temp (Optional) -20° to 70°C
    Hardened (Optional) -40° to 80°C
    Storage -40° to 90°C
    Humidity 95% non-condensing

  • Physical (Standalone/Wallmount Unit):
    Height (3.53 cm) 1.4"
    Width (18.14 cm) 7.1"
    Depth (16.57 cm) 6.5"
    Weight (544 gm) 1.2 lbs
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