D-Link DEM-311GT Product Data Sheet

Transceiver

DEM-311GT

DEM-312GT2

DEM-310GT

Mini GBIC Transceivers

D-Link Gigabit Interface Converters (GBIC) are transceivers that connect Gigabit switches and 10/100Mbps switches with
GBIC slots to Gigabit Ethernet networks, providing high-speed connections over the fiber-optic or twisted-pair cable.
The fiber-optic transceivers have standard duplex LC connectors for connection compatibility.

Small Form Pluggable (SFP) Package

These transceivers use the industry-standard Small Form
Pluggable (SFP) package. They slide into the mini GBIC slot of
the Gigabit device. They provide the necessary signal
amplification for data to be transmitted to the network
cable from the port, and vice versa, for the port to receive
data from the network cable.

Hot Swappable

All D-Link Mini GBIC transceivers are hot-swappable. You
can remove or replace the GBIC transceiver with the system

Single-mode Fiber Transceiver (10 km)

DEM-310GT

- 1000BASE-LX port (IEEE 802.3z standard)

- Duplex LC connector

- Full duplex operation

- 802.3x flow control support

- Fiber type: 9um single-mode fiber up to 10 km

- Wave length: 1310nm

- Power support: 3.3V

- Power budget: 10.5dB

- Hot pluggable

- Class 1 laser product complies with EN 60825-1

- TTL signal detect indicator

powered on. This permits modules and mini-GBICs to be
added or swapped without interrupting the network.

Applications

Applications of the fiber transceivers include distributed
multi-processing, Gigabit switch cascading, high-speed
I/O file transfer, bus extension application, and channel
extender/data storage.

Multi-mode Fiber Transceiver (2 km)

DEM-312GT2

- 1000BASE-SX port (IEEE 802.3z standard)

- Duplex LC connector

- Full duplex operation

- 802.3x flow control support

- Fiber type: 62.5um multi-mode fiber up to 2 km

- Wave length: 1310nm

- Power support: 3.3V

- Hot pluggable

- Class 1 laser product complies with EN 60825-1

Multi-mode Fiber Transceiver (550 m)

DEM-311GT

- 1000BASE-SX port (IEEE 802.3z standard)

- Duplex LC connector

- Full duplex operation

- 802.3x flow control support

- Fiber type: 50um or 62.5um multi-mode fiber up to 550 m

- Wave length: 850nm

- Power support: 3.3V

- Hot pluggable

- Class 1 laser product complies with EN 60825-1

- TTL signal detect indicator

DEM-310GT/DEM-311GT/DEM-310GM2/DEM-312GT2

Product Description

Physical & Environmental

Operating Temperature

oo

0 - 40 C

Storage Temperature

oo

-25 - 55 C

Humidity

5% - 95% non-condensing

Transceiver

Ordering Information

Mini GBIC Transceiver

DEM-310GT For 1000BASE-LX, single-mode fiber,

10 km max., 3.3V

DEM-311GT For 1000BASE-SX, multi-mode fiber,

550 m max., 3.3V

DEM-312GT2 For 1000BASE-SX, multi-mode fiber,

2 km max., 3.3V

Specifications subject to change without
prior notice.
D-Link is a registered trademark of D-Link
Corporation/D-Link System Inc. All other
trademarks belong to their proprietors.

RECYCLABLE

Rev. 02 (Mar. 2003)
Printed in Taiwan

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