100G QSFP28 2km CWDM4 I-temp Transceivers FTQ2-HG-CWDM4-2KMI-GC

产品概述

100G QSFP28 CWDM4光模块，型号FTQ2-HG-CWDM4-2KMI-GC，是一款符合100G CWDM4 MSA标准的工业级光模块，传输距离2km，工作温度范围-40°C至+85°C，适用于数据中心骨干网、以太网交换机、高性能计算集群等场景。全国产化产品。

特性 (FEATURES)

• Compliant with 100G CWDM4 MSA Specification
• Cooled 4x25Gb/s CWDM transmitter
• Maximum link length of 2km via Single Mode Fiber (SMF)
• Operating Temperature Industrial: -40°C to +85°C

应用 (APPLICATIONS)

• Data Center Backbone
• Ethernet Switches
• High-speed Servers
• High-performance Computing Clusters
• SAN, Routers, Hubs, Load Balancer

绝对最大额定值 (ABSOLUTE MAXIMUM RATINGS)

Parameter	Symbol	Conditions	Min.	Max.	Unit
Storage Temperature	TStorage	–	-40	+85	°C
Relative Humidity	RH	–	0	+85	%

推荐工作条件 (RECOMMENDED OPERATING CONDITIONS) – T=25°C, unless noted

Parameter	Symbol	Conditions	Min.	Typ.	Max.	Unit
Case Temperature	TC	–	-40	–	85	°C
Power Supply Voltage	VCC	–	3.135	3.3	3.465	V
Signaling Rate each Channel	–	–	–	25.78125	–	Gbps
Supply Noise Rejection	–	–	—	—	100	mV
Receiver Differential Data Output	–	–	—	100	–	Ohm
Operating Distance	D	–	—	—	2	km

电气特性 (ELECTRICAL CHARACTERISTICS) – T=25°C, unless noted

Parameter	Symbol	Conditions	Min.	Typ.	Max.	Unit
Power Consumption	–	–	–	–	4	W
Supply Current	Icc	–	–	–	1250	mA

发射器特性 (TRANSMITTER CHARACTERISTICS) – T=25°C, unless noted

Parameter	Symbol	Conditions	Min.	Typ.	Max.	Unit
Signaling rate, each lane	GBb	–	–	25.78125	–	GBb
Center Wavelength λ0	λ0	–	1262	–	1279.5	nm
Center Wavelength λ1	λ1	–	1282	–	1299.5	nm
Center Wavelength λ2	λ2	–	1302	–	1319.5	nm
Center Wavelength λ3	λ3	–	1322	–	1339.5	nm
Side-mode suppression ratio	SMSR	–	30	–	–	dB
Total average launch power	–	–	–	–	8.5	dBm
Average launch power, each lane	Pf	–	-6.5	–	2.5	dBm
Optical Modulation Amplitude	TxOMA	–	-5	–	2.5	dBm
Transmitter and Dispersion Penalty	TDP	–	–	–	3	dB
Launch power in OMA minus TDP	Tx-TDP	–	-5	–	–	dBm
Average launch power of OFF transmitter	–	–	–	–	-30	dBm
Extinction ratio	ER	–	3.5	–	–	dB
Optical return loss tolerance	–	–	–	–	20	dB
Transmitter reflectance	–	–	–	–	-12	dB

接收器特性 (RECEIVER CHARACTERISTICS) – T=25°C, unless noted

Parameter	Symbol	Conditions	Min.	Typ.	Max.	Unit
Signaling rate, each lane	GBb	–	–	25.78125	–	GBb
Center Wavelength λ0	λ0	–	1262	–	1279	nm
Center Wavelength λ1	λ1	–	1282	–	1299	nm
Center Wavelength λ2	λ2	–	1302	–	1319	nm
Center Wavelength λ3	λ3	–	1322	–	1339	nm
Damage threshold	–	–	3.5	–	–	dBm
Average power at receiver input	–	–	-10	–	2.5	dBm
Receive power, each lane (OMA)	–	–	–	–	2.5	dBm
Receiver reflectance	–	–	–	–	-26	dB
Receiver sensitivity (OMA)	SOMA	BER@5e-5	–	–	-9.5	dBm
LOS Assert	LOSA	–	-24	–	–	dBm
LOS De-Assert	LOSD	–	–	–	-11.6	dBm
LOS Hysteresis	–	–	0.5	–	6	dB

引脚分配 (PIN ASSIGNMENT)

该模块板卡边缘金手指的引脚排布，分为顶面(引脚20~38)、底面(引脚1~19)两个视角：

顶面视角引脚定义 (Top Side, Pins 20-38)

引脚序号	引脚功能定义
38	GND（接地）
37	TX1n（差分发送通道1负端）
36	TX1p（差分发送通道1正端）
35	GND（接地）
34	TX3n（差分发送通道3负端）
33	TX3p（差分发送通道3正端）
32	GND（接地）
31	LPMode（低功耗模式控制）
30	Vcc1（主电源）
29	VccTx（发送通道电源）
28	IntL（中断信号，低有效）
27	ModPrsL（模块在位检测，低有效）
26	GND（接地）
25	RX4p（差分接收通道4正端）
24	Rx4n（差分接收通道4负端）
23	GND（接地）
22	RX2p（差分接收通道2正端）
21	RX2n（差分接收通道2负端）
20	GND（接地）

底面视角引脚定义 (Bottom Side, Pins 1-19)

引脚序号	引脚功能定义
1	GND（接地）
2	TX2n（差分发送通道2负端）
3	TX2p（差分发送通道2正端）
4	GND（接地）
5	TX4n（差分发送通道4负端）
6	TX4p（差分发送通道4正端）
7	GND（接地）
8	ModselL（模块选择，低有效）
9	ResetL（复位信号，低有效）
10	VccRx（接收通道电源）
11	SCL（I2C时钟信号）
12	SDA（I2C数据信号）
13	GND（接地）
14	RX3p（差分接收通道3正端）
15	Rx3n（差分接收通道3负端）
16	GND（接地）
17	RX1p（差分接收通道1正端）
18	RX1n（差分接收通道1负端）
19	GND（接地）

引脚功能分类说明：

• 高速信号：4组差分发送通道、4组差分接收通道，负责高速数据传输
• 电源：包含主电源、发送/接收通道独立供电引脚
• 管理控制：低功耗控制、复位、在位检测、模块选择、中断信号、I2C通信引脚

引脚描述 (PIN DESCRIPTION)

PIN	Logic	Symbol	Name/Description
1	–	GND	Ground
2	CML-I	Tx2n	Transmitter Inverted Data Input
3	CML-I	Tx2p	Transmitter Non-Inverted Data output
4	–	GND	Ground
5	CML-I	Tx4n	Transmitter Inverted Data Input
6	CML-I	Tx4p	Transmitter Non-Inverted Data output
7	–	GND	Ground
8	LVTTL-I	ModSelL	Module Select
9	LVTTL-I	ResetL	Module Reset
10	–	VccRx	3.3V Power Supply Receiver
11	LVCMOS-I/O	SCL	2-Wire Serial Interface Clock
12	LVCMOS-I/O	SDA	2-Wire Serial Interface Data
13	–	GND	Ground
14	CML-O	Rx3p	Receiver Non-Inverted Data Output
15	CML-O	Rx3n	Receiver Inverted Data Output
16	–	GND	Ground
17	CML-O	Rx1p	Receiver Non-Inverted Data Output
18	CML-O	Rx1n	Receiver Inverted Data Output
19	–	GND	Ground
20	–	GND	Ground
21	CML-O	Rx2n	Receiver Inverted Data Output
22	CML-O	Rx2p	Receiver Non-Inverted Data Output
23	–	GND	Ground
24	CML-O	Rx4n	Receiver Inverted Data Output
25	CML-O	Rx4p	Receiver Non-Inverted Data Output
26	–	GND	Ground
27	LVTTL-O	ModPrsL	Module Present
28	LVTTL-O	IntL	Interrupt
29	–	VccTx	3.3V Power Supply transmitter
30	–	Vcc1	3.3V Power Supply
31	LVTTL-I	LPMode	Low Power Mode
32	–	GND	Ground
33	CML-I	Tx3p	Transmitter Non-Inverted Data Input
34	CML-I	Tx3n	Transmitter Inverted Data Output
35	–	GND	Ground
36	CML-I	Tx1p	Transmitter Non-Inverted Data Input
37	CML-I	Tx1n	Transmitter Inverted Data Output
38	–	GND	Ground

外形尺寸 (OUTLINE DIMENSIONS)

100G QSFP封装光模块机械尺寸图纸，标注各关键部位的尺寸及公差，单位毫米（mm）：

• 模块总宽度：18.35±0.1mm
• 壳体上方凸起最大高度：MAX 3.4mm
• 壳体下方凸起最大高度：MAX 1.6mm
• 中部水平长度：29.6±0.1mm
• 金手指段长度：4.2±0.15mm
• 模块总长度：117.8（-0.4/+0.2）mm
• 光接口：双LC型光接口

数字诊断监测精度 (Digital Diagnostic Monitor Accuracy)

Parameter	Accuracy	Unit
Internally measured transceiver temperature	+/-3	deg.C
Internally measured transceiver supply voltage	+/-3	%
Measured Tx bias current	+/-10	%
Measured Tx output power	+/-3	dB
Measured Rx received average optical power	+/-3	dB

订购信息 (Ordering Information)

Part Number	Product Description
FTQ2-HG-CWDM4-2KMI-GC	QSFP28 Transceivers,100G, CWDM4, 2km, I-temp, 全国产