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XGSPON OLT SFP+ Transceiver Class N1

Single fiber bi-directional data links with downstream 9.953Gbps Single fiber bi-directional data links with upstream 9.953Gbps and 2.488Gbps 0 to 70°C operating case temperature 3.3V power supply SFP+ package with SC receptacle connector Hot-pluggable capability High power 1577nm EML Support 20km transmission distance with SMF Low EMI and excellent ESD protection Digital diagnostic monitor interface RoHS compliance

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OLT PON

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Product Details

Standard

Complies with INF-8472

Complies with ITU G.9807.1

Complies with FCC 47 CFR Part 15, Class B

Complies with FDA 21 CFR 1040.10 and 1040.11

Features

Single fiber bi-directional data links with downstream 9.953Gbps

Single fiber bi-directional data links with upstream 9.953Gbps and 2.488Gbps

0 to 70°C operating case temperature

3.3V power supply

SFP+ package with SC receptacle connector

Hot-pluggable capability

High power 1577nm EML

Support 20km transmission distance with SMF

Low EMI and excellent ESD protection

Digital diagnostic monitor interface

RoHS compliance

Ordering information

Part No.

Data Rate

Laser

Fiber
Type

Distance

Optical
Interface

Temp

GLCOM-PC

Tx: 9.953Gbps

Rx: 9.953/2.488Gbps

1577nm-EML

SMF

20km

CT: 0~ +70℃; IT:-40~+85℃

Absolute Maximum Ratings

Parameter	Symbol	Unit	Min	Typical	Max
Storage Ambient Temperature Range	Ts	℃	-40	-	85
Relative Humidity	RHs	%	5	-	95
Power Supply Voltage	Vcc	V	-0.5	-	3.6
Damage Threshold for Receiver	P_damage	dBm	-5	-	-

Recommended Operating Conditions

Parameter	Symbol	Unit	Min	Typical	Max
Operating Case Temperature Range	T_C	℃	0	-	70
Power Consumption	P	W	-	-	3
Power Supply Voltage	V_cc3.3	V	3.135	3.3	3.465
Operating Relative Humidity	Rho	%	5	-	85

Optical Specification

9.953G TRANSMITTER OPTICAL SEPCIFICATION
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Center Wavelength Range	λ_c	1575	1577	1580	nm
Average Output Power	P_out	2	-	5	dBm
Average Output Power (Laser Off)	P_out-off	-	-	-39	dBm
Side Mode Suppression Ratio	SMSR	30	-	-	dB
Spectral Width (-20dB)	λ_-20	-	-	1	nm
Extinction Ratio(Full Temp)	ER	8.2	-	-	dB	Note1
Transmitter Output Eye	Compliant with ITU G.9807.1

9.953Gbps RECEVER OPTICAL SPECIFICATIONS
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Center Wavelength Range	λ_c	1260	1270	1280	nm
Overload		-5	-	-	dBm	Note3
Sensitivity	Sen	-	-	-26	dBm	Note3
SDD Level		-45	-	-	dBm
SDA Level		-	-	-28	dBm

2.488Gbps RECEVER OPTICAL SPECIFICATIONS
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Center Wavelength Range	λ_c	1260	1270	1280	nm
Overload		-7	-	-	dBm	Note4
Sensitivity	Sen	-	-	-27.5	dBm	Note4
SDD Level		-45	-	-	dBm
SDA Level				-28	dBm

Note1-Measured with a PRBS 2³¹-1 NRZ test pattern, @9.953Gb/s;

Note2-Measured with a PRBS 2²³-1 NRZ test pattern, @2.488Gb/s;

Note3-Measured with a PRBS 2³¹-1 NRZ test pattern, @9.953Gb/s, BER<10^-3;

Note4-Measured with a PRBS 2²³-1 NRZ test pattern, @2.488Gb/s, BER<10^-4;

Electrical Characteristic

Transmitter
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Data Input Differential Swing	V_in	120	-	820	mV	CML
Tx Disable Input Voltage	V_IL	0	-	0.8	V
Tx Disable Input Voltage	V_IH	2.0	-	V_cc	V
Receiver
Reset Input Voltage	V_RSTL	0	-	0.8	V
Reset Input Voltage	V_RSTH	2.0	-	V_cc	V
RSSI Trigger Input Voltage	V_RSTL	0	-	0.8	V
RSSI Trigger Input Voltage	V_RSTH	2.0	-	Vcc	V
Signal Detect Output Voltage	V_SDL	0	-	0.8	V
Signal Detect Output Voltage	V_SDH	2.4	-	Vcc	V
Data Output Differential Swing	V_out	300	-	-	mV	CML

Burst Receiving Timing

Figure 1 Ranging Mode

Figure 2 Traffic Mode

Ranging Mode
Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
Guard Time Width	T_g	-	-	250	us
Reset Burst Width	T_rw	25.6	-	-	ns
SDA Delay Time	SDA1	-	-	100	ns
Recovery Time	T_rec	-	-	100	ns
Traffic Mode
Guard Time Width	T_g	50	-	-	ns
Reset Delay	T_rd	-2	-	2	Byte
Reset Burst Width	T_rw	25.6	-	-	ns
SDD Delay Time	SDD		-	50	ns
SDA Delay Time	SDA2	-	-	100	ns
Recovery Time	T_rec	-	-	100	ns

RSSI Sampling Time

Figure 3 RSSI Timing

Parameter	Symbol	Min.	Typical	Max.	Unit	Notes
RSSI Burst Width	T_bw	2200	-	-	ns
Trigger Delay Time	T_td		1000	-	ns
Trigger Width	T_tw	-	500	-	ns
I2C Access Delay	T_a	500	-	-	us

Recommended Interface Circuit

Figure 4 Recommended Interface Circuit

PIN Definition

PIN	Name	Description	Notes
1	RateSel	Rate Select	2.5G=Low, 10G=High
2	TX_FAIL	Transmitter Fault Signal	Active High, Pullup on Host Board
3	TX_DIS	Transmitter Disable Input	Active High, Pullup in Module
4	SDA	2-Wire Serial Interface Data	Pullup With a 4.7K-10KΩ Resistor on Host Board
5	SCL	2-Wire Serial Interface Clock	Pullup With a 4.7K-10KΩ Resistor on Host Board
6	MOD_ABS	Module Absence Indication	Pulled to GND in Module
7	RESET	Optical Reset Input	Active High
8	SD	Signal Detect
9	RSSI	Receive Strength Trigger	Active High
10	GND	Module Ground
11	GND	Module Ground
12	RX-	Inverted Received Data Output	DC coupled, LVCML output
13	RX+	Received Data Output	DC coupled, LVCML output
14	GND	Module Ground
15	VCCR	Receiver 3.3V Power Supply
16	VCCT	Transmitter 3.3V Power Supply
17	GND	Module Ground
18	TX+	Transmit Data Input	AC coupled, LVCML input
19	TX-	Inverted Transmit Data Input	AC coupled, LVCML input
20	GND	Module Ground

Diagnostic

Parameter	Rang	Accuracy	Unit	Calibration
Case Temperature	0~70	±3	℃	Internal
Voltage	3.135~3.465	±5%	V	Internal
Ibias	0~120	±10%	mA	Internal
TX Optical Power	2~5	±3dB	dBm	Internal
RSSI	-5~-28	±3dB	dBm	Internal

Regulatory Compliance

Feature	Standard	Performance
Electrostatic Discharge (ESD) to the Electrical Pins	MIL-STD-883E Method 3015.7	Class 1(>500 V)
Electromagnetic Interference (EMI)	FCC Part 15 Class B EN55022 Class B (CISPR 22B)	Compatible with standards
Immunity	IEC 61000-4-3	Compatible with standards
Laser Eye Safety	FDA 21CFR 1040.10 and 1040.11 EN60950, EN (IEC) 60825-1,2	Compatible with Class1 laser product.
Component Recognition	UL and CSA	Compliant with standards
RoHS	2011/65/EU	Compliant with exemptions

Package

Figure 5 Outline

EEPROM Definition

Version Information

Version No.	Notes	Author	Time
1.0	New Release	Siyao	2023/9/22

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FAQ

Listed below are answers to our most commonly asked questions. Don't see your question?Contact our customer service team. We would be glad to assist you.

What is an optical network terminal (ONT)? How does it differ from a regular modem?

An optical network unit (ONU) is an end device in a fiber optic network that converts optical signals transmitted via fiber optics into electrical signals (for use by routers, computers, and other devices), and vice versa.

What is the architecture of a fiber optic network (PON)?

Fiber optic networks typically use a passive optical network (PON) architecture, which is divided into three layers

What are the functions of the PON port and LAN port on an optical network terminal (ONT)?

PON port (fiber optic interface): Connects to the fiber optic cable entering the home and receives optical signals (usually SC/APC interface, blue square head).

Why does the optical network terminal need to register LOID/SN?

LOID (Logical Identifier) or SN (Serial Number) is the credential used by operators to bind user identities, and is used for OLT authentication of optical modems.

Optical modem dialing vs. router dialing: which is better?

Ordinary users: Optical modem dialing. Game/NAS users: Switch to bridge mode and dial up using a high-performance router.

How to determine whether the fiber optic signal is normal?

Check the optical modem indicator lights Log in to the optical modem management interface: Check the optical power (unit: dBm)

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