Finisar Series

FINISAR FTLC9555REPM

Product description: FINISAR FTLC9555REPM_100GBASE-SR4 QSFP28 Transceiver_liyuan tech
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Manufacturer: FINISAR
Part number: FTLC9555REPM
Form Type: QSFP28
Speed : 100GB
Transceiver Type: SR4
Wavelength: 850nm
Connector: MPO/MTP
Reach: 100m
Connector: LC
DOM: DOM
Temperature Range: 0°C to +70°C
Shipping weight: 0,05 kg
Item weight: 0,04 kg
The Finisar FTLC9555REPM is a very classic and widely used QSFP28 package, 100G rate, short-distance multimode fiber transceiver module.
Here is its detailed product description:
1. Packaging form: QSFP28 (Quad Small Form-factor Pluggable 28) standard hot-swappable shape.
Supports high-density port configuration (typically each slot on the switch can support 32-36 ports at a 1U height).
2. Transmission rate: 100 Gigabit Ethernet (100GbE)
Complies with the IEEE 802.3bm 100GBASE-SR4 standard.
The total bandwidth is 100 Gbps.
3. Transmission distance: 100 meters (typical value)
Up to 70 meters on standard OM3 multimode fiber (MMF).
Up to 100 meters on standard OM4 multimode fiber (MMF).
Note: The actual distance may be affected by the quality of the fiber and connector loss. *
4. Wavelength: 850 nm
The light source uses a VCSEL (Vertical Cavity Surface-Emitting Laser) array.
It operates in the 850 nm window, which is the standard short wavelength for multimode fiber transmission.
5. Channel Configuration: 4x25G NRZ
On the electrical interface side: 4 parallel electrical signal channels are used, each running at 25.78125 Gbps (25G NRZ), aggregating to 100 Gbps.
On the optical interface side: Similarly, 4 independent optical signal channels (4 Tx + 4 Rx) are used, each also at 25 Gbps.
6. Fiber Connector: MPO-12 (APC or UPC, usually the female connector)**
A 12-core MPO/MTP connector is used for bidirectional transmission.
Key point: This is an SR4 module, using 4 pairs of fibers (4 Tx, 4 Rx), the MPO-12 connector typically uses 8 fibers (positions 1-4 for Tx, positions 9-12 for Rx,
with the middle 5-8 cores left empty), or a 12-core full-use configuration defined by specific positions.
The module interface is usually a female connector (Female/Receptacle), requiring a male connector (Male) MPO fiber jumper for connection.
7. Main Applications:
Short-distance interconnection between 100GbE switches within data centers.
High-speed connection between servers and TOR (Top-of-Rack) switches.
High-performance computing (HPC) cluster interconnection supporting 100G.
Any scenario requiring high-speed transmission within or between adjacent cabinets within 100 meters.
8. Power Consumption: Typical power consumption < 3.5 watts. This is the standard power consumption range for the QSFP28 SR4 module.
9. Electrical Interface: Compliant with QSFP28 MSA and SFF-8665 standards.
Gold finger interface on the motherboard.
10. Operating Temperature Range: Commercial grade (Commercial Temperature) 0°C to +70°C. This is the most common operating temperature range.
11. Digital Diagnostic Monitoring (DDM/DOM): Supported
Provides real-time monitoring parameters, including: module temperature, supply voltage, bias current of each transmitting channel, output optical power,
of each transmitting channel, received optical power of each receiving channel, accessible via the I2C interface on the host.
12. Compliance with Standards:
IEEE 802.3bm 100GBASE-SR4 QSFP28 MSA (Multi-Source Agreement)
SFF-8436 (QSFP+ basic specification, QSFP28 compatible)
SFF-8636 (Management interface)
SFF-8665 (QSFP28 hardware specification)
RoHS compliant (usually)
13. Summary of key features: 100G SR4 solution. QSFP28 hot-swappable package. 850nm VCSEL array light source. 4x25G NRZ parallel transmission. 100m transmission distance (OM4 fiber). MPO-12** multimode fiber interface.
Low power consumption (< 3.5W). Supports DDM/DOM digital diagnostics, widely used in short-distance interconnection in data centers.
In addition to FINISAR FTLC9555REPM , Liyuan Tech supply a wide range of other Finisar Series transceivers. If you have any need or interest, please feel free to send inquiry to global@chn-liyuan.com

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