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| Brand Name : | Top-Trans |
| Model Number : | 400G-QSFP-DD-LR4 2km |
| Certification : | CE FCC RoHS |
| Price : | Price is negotiable |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability : | 1000pcs per Day |
| Delivery Time : | 1-3 working days |
400G-QSFP-DD-LR4 2km Optical Module RTXM290-342 CWDM Transceiver EML Original
400G QSFP-DD LR4 is a type of transceiver module that is used in high-speed data communications networks. QSFP-DD stands for Quad Small Form-factor Pluggable Double Density and LR4 stands for Long Range 4.
This transceiver module can transmit data at a rate of 400 Gigabits per second (Gbps) over a distance of up to 10 kilometers. The LR4 designation indicates that it uses four channels of 100Gbps each, with each channel transmitting data over a different wavelength (1310nm, 1295nm, 1275nm, and 1255nm) in the optical fiber.
This type of transceiver module is commonly used in data centers and high-performance computing applications where high-speed and long-distance data transmission is required. It is typically used to connect switches, routers, and other networking equipment.
Parameters
| Fiber Type | SMF |
| Connector | MPO-12 |
| Lasers and TIA | EML APD |
| Tx Power | 0.4 to 6.5 dBm |
| Rx Sensitivity | -29 to -15.1 dBm |
| Extinction Ratio | 6 dB |
| Power Consumption | <12 W |
| Single Power Supply | 3.3 V |
PRODUCT FEATURES



FAQ
Q1. Are your transceiver modules compatible with Cisco?
A1: Yes, Topstar transceivers can compatible with Cisco. All the
brand Topstar's SFP compatible as the fellowing:Cisco, Nortel,
Juniper, 3COM, H3C, Alcatel-lucent, FOUNDRY, D-Link, EXTREME,
Ruijie, NETGEAR, ZTE, Enterasys, ZyXEL, Linksys, Ericsson, DCN,
Allied, SMC, Brocade, Force10, Hirschmann, Planet, Adtran, ASNTE,
Trendnet, BDCOM, BLADE, BITWAY, Telco, Feixun...etc.
Q2. How does your company do regarding quality control?
A2: Every single optic individually tested in our test center , and
also tested for compatibility on a variety of different brands of
network equipment.
Q3. What are the trade terms?
A3: Lead Time: we keep 40,000pcs SFP in stock ready to ship.
Payment term: T/T, Western Union, Alipay, Paypal, L/C and so on for
your option.
Q4. What is operating temperature range of optical modules?
A4: Commercial temperature range(COM) : 0 to 70°C(32 to 158°F)
Storage temperature range:-40 to +85°C(-40 to 185°F)
We can supply according to your request.
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| Company Info. |
| TOPSTAR TECHNOLOGY INDUSTRIAL CO., LIMITED |
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