This media converter combines transmit and receive signals onto one fiber strand using two wavelengths. This design avoids the budget losses incurred by the single-wavelength single-fiber technology, and minimizes the possibility of reflections in the system. The units on both ends of a link are different. One module uses one wavelength to transmit and a second wavelength to receive, while the other module flips that relationship. For this reason these units are used in pairs.

A pair of one-channel single fiber is used for media conversion between 10/100BASE-TX and 100BASE-FX.

Two differ ent transmitting wavelengths, one wavelength with bi-directional for both transmit and receive.

– DMC-920R: This media converter provides 1310 micron for TX, 1550 micron for RX.
– DMC-920T: This media converter provides 1550 micron for TX, 1310 micron for RX.

Fiber cable support is 9/125um, 10/125um single-mode fiber , maximum 20 km cable distance.

General features

Number of Ports

• 1 x 1000BASE-T RJ-45 port
• 1 x 1000BASE-LX bidirectional SC port

• IEEE 802.3ab for 1000BASE-TX
• IEEE 802.3z for 1000BASE-LX

Data Transfer Rate
• 2000 Mbps (full-duplex)

Duplex Mode
• Full-duplex

Media Types
• 1000BASE-T: 4-pair Cat. 5, Shielded Twisted Pair (STP) (up to 100 m)
• 1000BASE-LX: Single-mode fiber optic cable with SC connector (up to 10 km)

Media Exchange Interface

Transmission Mode

• Store-and-forward

Forwarding Rate
• Full wire-speed forwarding rate

• Through the DMC-1000 chassis with the DMC-1002 management module installed

Management Functions
• Fiber mode

Diagnostic LEDs

• Power

AC Input
• 5 V/1 A external power adapter

• Operating: 0 °C to 40 °C (32 °F to 104 °F)
• Storage: -10 °C to 70 °C (13 °F to 158 °F)

• 10% to 90% RH, non-condensing

• 120 x 88 x 25 mm (4.72 x 3.46 x 0.98 in)

• 295 g (0.65 lbs)

Fiber Wavelength
• TX: 1550 nm
• RX: 1310 nm

Supported Fiber Cable Length
• Up to 10 km

Emission Certifications (EMI)
• FCC Class A
• VCCI Class A
• CE Class A

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