S.I. Tech Model 2703: Ethernet 3 Port Layer 2 Switch Bit-Driver (2 optical & 1 electrical) 10/100 Mbps switch


2703

Features:

  • Layer 2 switch meets IEEE 802.3
  • Unmanaged 3 port (2 optical & 1 electrical) 10/100 Mbps switch
  • Optical Ports 1 & 2 - Various combinations: MM/MM, MM/SM, M/SM - 100 Base FX
  • Wire Port 3 - 10 or 100 BASE- T(x) wired as MDI - X
  • Optic Connector options: ST/SC/LC/MT-RJ
  • Status indicators: PWR, Link/Activity, 10/100
  • Switch for port 3 configuration

Ethernet switching:

  • Packet Buffer size: 64KByte frame buffer
  • Bandwidth: 1Gbps memory bandwidth
  • QoS: 802.3p based priority separating incoming packets into high and low priority transmit queues
  • Address lookup: 1K MAC address lookup table with 5 minutes aging
  • Frame discard: Discard illegal short and long frames according to 802.3u
  • 10/100Base-T(X) Flow Control: Full duplex: 802.3x; Half duplex: back pressure
  • Auto - Negotiation: 10 BASE-T, 100BASE TX
 


  • Ordering Information
  • Specifications
  • Operating Distance
  • Typical Applications



Model 2703 Ordering Information:

Products Description
2703-MM-MM
Multimode to Multimode Fiber Ethernet Switch, 3 Ports (1 RJ45, 2 Optical)
2703-MM-SM
Multimode to Single Mode Fiber Ethernet Switch, 3 Ports (1 RJ45, 2 Optical)
2703-SM-SM
Single Mode to Single Mode Fiber Ethernet Switch, 3 Ports (1 RJ45, 2 Optical)



Model 2703 Specifications:

Operating Mode: 10/100 Base Ethernet switch
Ports: Ports 1 & 2 - 100 Base FX Port 3 - wire port 10/100 Base-T(x)
Input/Output Interface: Shielded RJ-45, ST/SC/LC/MT-RJ
Transmission Distance: See Operating Distance Tab
System Wavelength: 1300nm MM or SM
Data Rate: 10/100 Mbps
Error rate: 10 9 or better
Operating Temperature: -40 °C to +85 °C
Weight: 0.60 lb (272 grams)
Enclosure: IP30
Power 10 to 28VDC, 5 watts
Size: 5.25" X 4.06" X 1.21" (133 X 103 X 31 mm)
- Flange mounting option
- DIN RAIL option
Relative Humidity: 10 to 90% Non condensing

 

Specifications subject to change without notice.



Model 2703
Operating Distance for Fiber Optic Cable:


Multi-mode or single mode distances

Fiber Size
(Microns)
Attenuation
(dB/Km)
Distance
(Meters)
Distance
(Feet)
Wavelength (nm) Wavelength (nm) Wavelength (nm)
1300 1300 1300
50
62.5
10**
1.0
1.0
0.35
6000
6000
10000
20000
20000
33000


** Single mode option - 1300nm (for longer distances, high power, contact factory)

Optical Unit Connection: Connect the optical transmission line to the T and R receptacles. Note which cable channel goes to T or R by noting cable imprint. On the other end, reverse the connections.

 



Model 2703
Typical Application:

OFFICE PC SERVER MM or SM S.I. TECH 2703 PLAN PLX CAT-5 SECURITY SYSTEM IP VIDEO CAMERA APPLICATION EXAMPLE



UL listed. Meets FCC requirements of Class A, Part 15Computing Devices Standard.




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