Level One SFP-3841 User Manual

2

1.25G transceiver TX
Copper (100m), RJ-45
Type

H/W Version: 1

LevelOne SFP-3841 is a Copper SFP transceiver that
provides enhanced exibility to system designers. It
converts 1000BASE-X optical Ethernet port to a copper
Ethernet port (1000-BASE-T) to support a transfer rate
of up to 1.25 Gbps at a distance of up to 100 meters
over unshielded twisted-pair category 5 cable.

RJ-45

SFP-3841

Key Features

- Up to 1.25Gb/s bi-directional data links

- Hot-pluggable SFP footprint

- Extended cased temperature range
(0°C to +70 °C)

- Fully metallic enclosure for low EMI

- Low power dissipation (1.05 W typical)

- Compact RJ-45 connector assembly

- Access to physical layer IC via 2-wire serial bus

- 1000 BASE-T operation in host systems with SERDES
interface

Works Well With

Switch

All LevelOne Switches with
SFP Slots

Media Converter

All LevelOne Media Converter
with SFP Slots

www.level1.com I one world_one brand_one level_

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Technical Specications

Tranceiver

Stndard Compliance

IEEE 802.3ab

Data Rate Gigabit

1.25G

Data Rate Fiber Channel

1.06Gbps

Media Type

Cat. 5 Cable

Transmission Range

100m by Cat. 5 Cable

Connector

RJ-45

Application

SFP-3841

Supply Voltage

3.3V

Max Voltage/Current

4V/375mA

Temperature

0°C ~70°C

Humidity

5~90% (non-condensing)

Dimensions (Lx W x H)

68.5mm x 13.5mm x 9.5mm

SFP-3841

1000 BASE-Tx Copper

Switch

Order Information

Package Contents

SFP Slots

RJ-45 Cable

SFP-3841: 1.25G transceiver TX Copper (100m), RJ-45 Type



SFP-3841



1000 BASE-Tx Copper

SFP Slots

Switch

4

Related Product

SFP-3001

1.25 G transceiver 850nm
VCSEL, SX (MMF 500m),
Duplex LC

SFP-3611

1.25 G transceiver , 1550nm
DFB-LD, ZX (SMF 80km),
Duplex LC

SFP-1311

155Mbps transceiver 1310nm
FP-LD, (SMF 20km),
Duplex LC

SFP-7331

155Mbps BIDI, (SM
20km1550/1310),
Simplex LC

SFP-9221

1.25G BIDI, (SM 10km
1310/1550), Simplex LC

SFP-3111

1.25 G transceiver, 1310nm
MLX (MMF 2km), Duplex LC

SFP-3711

1.25 G transceiver 1550nm
DFB-LD, EZX (SMF 120km),
Duplex LC

SFP-1411

155Mbps transceiver 1310nm
FP-LD, (SMF 40km), Duplex LC

SFP-7421

155Mbps BIDI,
(SM 40km1310/1550),
Simplex LC

SFP-9231

1.25G BIDI, (SM 10km
1550/1310), Simplex LC

SFP-3211

1.25 G transceiver , 1310 nm
FP-LD, LX (SMF 10m),
Duplex LC

SFP-1101

155Mbps transceiver
1310nm FP/LED-LD,
(MMF 2km), Duplex LC

SFP-7321

155Mbps BIDI,
(SM 20km1310/1550),
Simplex LC

SFP-7431

155Mbps BIDI,
(SM 40km1550/1310),
Simplex LC

SFP-9321

1.25G BIDI, (SM 20km
1310/1550), Simplex LC

SFP-9331

1.25G BIDI, (SM 20km
1550/1310), Simplex LC

SFP-3841

1.25 G transceiver TX Copper
(100m), RJ-45 Type

SFP-9421

1.25G BIDI, (SM 40km
1310/1550), Simplex LC

SFP-9431

1.25G BIDI, (SM 40km
1550/1310), Simplex LC

All mentioned brand names are registered trademarks and property of their owners. Technical specications are subject to change without notice.

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