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1. Connector: Duplex LC; with DDM 2. Low Power Consumption <0.8W 3. Ideal for Campus Network, Enterprise LAN Networks and other optical links 4. Compatible with 200+ Vendors 5. Hot Pluggable SFP MSA CompliantSee more
Cisco GLC-SX-MM Compatible 1000BASE SX SFP transceiver module is equipped with an LC duplex connector, which is high-performance, cost-effective, supporting 1.25Gbps data rate and 550m transmission distance over multimode fiber (MMF). QSFPTEK 1000BASE SX transceiver is compatible with the IEEE 802.3z 1000BASE-SX standard. It is verified to interoperate with original Cisco switches, including the Nexus 9200/9300 and the Catalys 9200/9200L/9200CX/9300/9300X/9300L/9300LM/9400/9500/9600 series, etc.
This Compatible 1000BASE-SX SFP fiber optic transceiver module consists of three sections: a VCSEL laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA), and an MCU control unit. All QSFPTEK manufactured 1G SFP optical transceivers satisfy class I laser safety requirements.
|
Part Number |
QT-SFP-0301D |
Vendor Name |
QSFPTEK |
|
Form Factor |
SFP |
Data Rate |
1.25Gbps |
|
Wavelength |
850nm |
Distance |
550m |
|
Connector |
LC Duplex |
Cable Type |
OM2 MMF |
|
Transmitter Type |
VCSEL |
Receiver Type |
PIN |
|
TX Power |
-9.5 ~ -3dBm |
Receiver Sensitivity |
< -18dBm |
|
Power Consumption |
< 0.8W |
Modulation Format |
NRZ |
|
DDM |
Support |
Bit Error Ratio (BER) |
1E-12 |
|
Protocols |
IEEE 802.3z, SFF-8472, SFP MSA Compliant |
Warranty |
5 Years |
Connection 1: 1000BASE-SX SFP Transceiver Interconnection Solution

Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.

Every unit sold undergoes rigorous quality testing to ensure compatibility in the target switch environment and guarantee perfect operation.

Every module is qualified through rigorous procedures and advanced equipment to ensure high-quality and reliable optical devices.


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Compatible Cisco
Transceivers type GLC-SX-MM | 550m
I tested this module today with my Cisco switches, and it worked perfectly. We've finalized our purchase list and will be placing a larger order soon.
Transceivers typeGLC-SX-MM | 550m
CompatibleCisco
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Worked on C1000-16T-E-2G-L with no issues so far. I will buy from here again for my next project, may be next quarter.
Transceivers typeGLC-SX-MM | 550m
CompatibleCisco
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I bought these modules for regular replacements in our server rooms. I was a bit skeptical at first since it was a new brand for me, but they’ve exceeded my expectations! They arrived just four days after I ordered them, and the packaging was great. I've been using them with switches from Cisco, Arista, H3C, and more for the past two weeks, and so far, everything's running smoothly with no errors.
Transceivers typeGLC-SX-MM | 550m
CompatibleCisco
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When I run a digital monitoring command, the parameters in the DOM state match the specs perfectly.
Transceivers typeGLC-SX-MM
CompatibleCisco
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The switch detected the optics in a second. They always produce quality transceivers, with no complaints.
Transceivers typeGLC-SX-MM
CompatibleCisco
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Not the first time to buy from QSFPTEK. Plugged in and got 1000Mbps, no exceptions. The modules are working stably on my switches. Recommended for the price and quality.
Transceivers typeGLC-SX-MM
CompatibleCisco
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The price is cheaper than other big brands. I think this 1G optical module is a relatively common product, so there is no need to buy expensive ones.
Transceivers typeGLC-SX-MM
CompatibleCisco
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I received the product very quickly. And the product can be used well, Works fantastic with my third party switch.today I ordered again.
Transceivers typeGLC-SX-MM
CompatibleCisco
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Excellent service, great product and fast shipping, Considering this was imported into the UK, it was a speedy delivery.
Transceivers typeGLC-SX-MM
CompatibleCisco
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This module was just what I needed for my network setup. It's fast, reliable, and compatible with a variety of devices. Installation was a breeze, and I haven't had any issues with connectivity since I started using it.
Transceivers typeGLC-SX-MM
CompatibleCisco
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