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Help Center2.5 G 850nm 300m SFP Transceiver
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Specifications
1.2.5 G 850nm 300m SFP Transceiver2.850nm VCSEL laser transmitter
3.Single 3.3V power supply
4.Duplex LC connector
2.5 G 850nm 300m SFP transceiver
Product Features
1.Duplex LC connector
2.Hot-pluggable SFP footprint
3.850nm VCSEL laser transmitter
4.RoHS compliant and Lead Free
5.Metal enclosure for lower EMI
6.Single 3.3V power supply
7.Low power dissipation <600mW
8.Commercial operating temperature range: 0°C to 70°C
Applications
1.SONET OC-48 / SDH STM-16
2.Gigabit Ethernet / Fiber Channel
General
Small Form Factor Pluggable (SFP) transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA). The SFP transceivers are high performance, cost effective modules supporting dual data-rate of 2.488Gbps/2.125Gbps and 300m transmission distance with MMF. They are RoHS compliant and lead-free.
Pin descriptions
Pin descriptions
Pin |
Symbol |
Name/Description |
Ref. |
1 |
VeeT |
Transmitter Ground (Common with Receiver Ground) |
1 |
2 |
TX Fault |
Transmitter Fault |
|
3 |
TX Disable |
Transmitter Disable. Laser output disabled on high or open. |
2 |
4 |
MOD_DEF(2) |
Module Definition 2. Data line for Serial ID. |
3 |
5 |
MOD_DEF(1) |
Module Definition 1. Clock line for Serial ID. |
3 |
6 |
MOD_DEF(0) |
Module Definition 0. Grounded within the module. |
3 |
7 |
Rate Select |
No connection required |
|
8 |
LOS |
Loss of Signal indication. Logic 0 indicates normal operation. |
4 |
9 |
VeeR |
Receiver Ground (Common with Transmitter Ground) |
1 |
10 |
VeeR |
Receiver Ground (Common with Transmitter Ground) |
1 |
11 |
VeeR |
Receiver Ground (Common with Transmitter Ground) |
1 |
12 |
RD- |
Receiver Inverted DATA out. AC Coupled |
|
13 |
RD+ |
Receiver Non-inverted DATA out. AC Coupled |
|
14 |
VeeR |
Receiver Ground (Common with Transmitter Ground) |
1 |
15 |
VccR |
Receiver Power Supply |
|
16 |
VccT |
Transmitter Power Supply |
|
17 |
VeeT |
Transmitter Ground (Common with Receiver Ground) |
1 |
18 |
TD+ |
Transmitter Non-Inverted DATA in. AC Coupled. |
|
19 |
TD- |
Transmitter Inverted DATA in. AC Coupled. |
|
20 |
VeeT |
Transmitter Ground (Common with Receiver Ground) |
1 |
Notes
1. Circuit ground is internally isolated from chassis ground.
2. Laser output disabled on TX Disable >2.0V or open, enabled on TX Disable<0.8V.
3. Should be pulled up with 4.7k - 10kohms on host board to a voltage between 2.0V and 3.6V.
MOD_DEF(0) pulls line low to indicate module is plugged in.
4. LOS is LVTTL output. Should be pulled up with 4.7k ~10kohms on host board to a voltage between 2.0V and 3.6V. Logic 0 indicates normal operation; logic 1 indicates loss of signal.
Absolute Maximum Ratings
optical characteristics
General Specifications
Environmental Specifications
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