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

产品概述

100G QSFP28光模块，CWDM4标准，2km传输距离，工业级温度范围(-40°C to +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。

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 (range)	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 (OMA), each lane	TxOMA	–	-5	–	2.5	dBm
Transmitter and Dispersion Penalty	TDP	–	–	–	3	dB
Launch power in OMA minus TDP, each lane	Tx-TDP	–	-5	–	–	dBm
Average launch power of OFF transmitter, each lane	–	–	–	–	-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 (range)	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, each lane	–	–	-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)

该图展示了模块板卡边缘金手指的引脚排布，分为顶面、底面两个视角，属于典型的四通道光/电通信模块（如QSFP类模块）的引脚定义：

顶面视角（Top Side，从顶部俯视）- 引脚序号范围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（Bottom Side，从底部仰视）- 引脚序号范围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，信号对之间插入GND做屏蔽，保障信号完整性
• 电源：包含主电源、发送/接收通道独立供电引脚
• 管理控制：包含低功耗控制、复位、在位检测、模块选择、中断信号，以及I2C通信引脚，用于模块状态读取和参数配置

引脚描述 (PIN DESCRIPTION)

PIN	Logic	Symbol	Name/Description	Note
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	+3.3 V Power Supply transmitter	–
30	–	Vcc1	+3.3 V 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)

该图为线稿形式的工业工程尺寸图，标注了该光模块各关键部位的尺寸及公差，单位默认均为毫米（mm），共包含4个视角的结构展示：

• 顶部俯视图：展示模块顶面外观，模块总宽度为 18.35±0.1mm
• 侧面视图：壳体上方凸起最大高度 MAX 3.4，下方凸起最大高度 MAX 1.6，中部水平长度为 29.6±0.1mm
• 光口端面视图：展示两个LC型光接口端面
• 底部仰视图：金手指段长度为 4.2±0.15mm，模块总长度为 117.8（-0.4/+0.2）mm

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

The following characteristics are defined over recommended operating conditions

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