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XPON SFP ONU Stick Transceiver

Single fiber bi-directional data links asymmetric TX 1.244 Gb/s/ RX 2.488 Gb/s or RX1.244Gb/s applicationwith G/EPON MAC function SFPpackage with SC / UPC/APC receptacle Single 3.3V power supply Hot-pluggable capability Dying Gasp Trigger input support High power 1310nm DML DFB LD and high sensitivity 1490 nm STIA Support 20km transmission distance with SMF CML compatible data input/output interface Low power dissipation< 2.5 W Low EMI and excellent ESD protection Digital diagnostic monitor interface RoHS compliance Case temperature range: Commercial: 0 °C to 70 °C / Industrial: -40 °C to 85 °C

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Product Details

XPONST1000_SC/UPC Receptacle

XPONST1001_SC/APC Receptacle

Features

Single fiber bi-directional data links asymmetric TX 1.244 Gb/s/ RX 2.488 Gb/s or RX1.244Gb/s applicationwith G/EPON MAC function

SFPpackage with SC / UPC/APC receptacle

Single 3.3V power supply

Hot-pluggable capability

Dying Gasp Trigger input support

High power 1310nm DML DFB LD and high sensitivity 1490 nm STIA

Support 20km transmission distance with SMF

CML compatible data input/output interface

Low power dissipation< 2.5 W

Low EMI and excellent ESD protection

Digital diagnostic monitor interface

RoHS compliance

Case temperature range:

Commercial: 0 °C to 70 °C / Industrial: -40 °C to 85 °C

Applications

Gigabit-capable Passive Optical Networks (GPON)

Wireless Backhaul Equipment

Ethernet Demarcations, Routers

DSLAMs and other Customer Premises Equipment

Standard

Complies with SFP Multi-Source Agreement (MSA) SFF-8074i

Complies with ITUT-T G.984.2, G.984.2 Amendment 1

Complies with ITUT G.988 ONU management and control interface (OMCI) specification

Complies with SFF 8472 V9.5

Complies with FCC 47 CFR Part 15, Class B

Complies with FDA 21 CFR 1040.10 and 1040.11

AbsoluteMaximum Ratings

Parameter	Symbol	Min.	Max.	Unit	Note
Storage Ambient Temperature	TSTG	-40	85	°C
Operating Humidity	OH	5	95	%
Supply Voltage	Vcc	0	3.6	V

Recommended Operating Conditions

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Operating Case Temperature	Tc	0		70	°C	Commercial
Operating Case Temperature	Tc	-40		85	°C	Industrial
Power Supply Voltage	Vcc	3.13	3.3	3.47	V
Power Supply Current	Icc		530	650	mA
Nominal Upstream Line Rate			1.244		Gb/s
Nominal Downstream Line Rate		1.244		2.488	Gb/s
Data Rate Drift		-100		+100	PPM

Transmitter Optical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Average Launch Optical Power	Pout	0		5	dBm	1
Power-OFFTransmitter Optical	Poff			-45	dBm	1
Extinction Ratio	ER	10			dB	2
Centre Wavelength	lc	1290		1330	nm
Spectral Width (-20dB)	Dl			1	nm
Side Mode Suppression Mode	SMSR	30			dB
Rise/FallTime(20%-80%)	T_R/T_F			260	ps	2,3
Burst on Time	T-on			12.8	ns
Burst off Time	T-off			12.8	ns
RIN₁₅OMA				-115	dB/Hz
Transmitter and Dispersion Penalty	TDP			2	dB	Transmit on 20km SMF
Transmitter Tolerance to Reflected Optical Power				15	dB
Transmitter reflectance of TX, measured at TX wavelength				-6	dB
Eye Diagram		Compliant With ITU-TG.984.2, PRBS 2²³-1 test pattern @1.244 Gbit/s

Note:

Launched into 9/125um Single Mode Fiber.

Measured with PRBS 2²³-1 test pattern @1.244Gbit/s.

Measured with the Bessel-Thompson filter OFF.

Transmitter Electrical Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Input Differential Impedance	ZIN	90	100	110	Ω
Data Input Swing Differential	VIN	300		1600	mV
Burst Disable		2.0		Vcc	V
Burst Enable		0		0.8	V
Tx-Fault Voltage - Low		0		0.8	V
Tx-Fault Voltage - HIGH		2.0		Vcc	V

Receiver Characteristics

Parameter	Symbol	Min.	Typ.	Max.	Unit	Note
Optical Center Wavelength	lc	1480	1490	1500	nm
Sensitivity	SEN			-28	dBm	measured with PRBS 2^23-1 test pattern @2.488 Gbit/s, BER =1×10^-12
Receiver Overload	OL	-8			dBm
Receiver Reflectance				-20	dB
Optical Return Loss Tolerance				-15	dB
WDM Filter Isolation		38			dB	1550nm
WDM Filter Isolation		35			dB	1650nm
LOS Assert	SDA	-40			dBm
LOS De-Assert	SDD			-29	dBm
LOS Hysteresis		0.5		5	dB
Data Output Swing Differential	Vout	300		1200	mV
LOS	High	2.0		Vcc	V
LOS	Low	0		0.8	V

Pin Description

1	VeeT	Module Transmitter Ground	VeeR and VeeT connected within the SFP module
2	Tx_Fault	Module Transmitter Fault	Low = normal, High = abnormal, Host pull-up 4.7 KΩ– 10KΩ
3	Tx-Disable	Transmitter Disable	H: Tx off, L:Tx on
4	SDA	SDAI2C Data line	2 wire serial ID interface, SDA, Host pull-up 4.7 KΩ– 10KΩ
5	SCL	SCLI2C Clock line	2 wire serial ID interface, SCL, Host pull-up 4.7 KΩ– 10KΩ
6	MOD_ABS	ModuleAbsent, connected to VeeR	Connected to VeeT or VeeR in the module, Host pull-up 4.7 KΩ – 10KΩ
7	DYING GASP	For Dying Gasp detect, input low active	Dying Gasp Voltage threshold 1.5V ( typical)
8	RX_SD	Rx Signal Detect	High =signal detected, Low = loss of signal, Host pull-up 4.7 KΩ – 10KΩ
9	1PPS	1 Pulse per second	Pull-down internally
10	VeeR	Module Receiver Ground
11	VeeR	Module Receiver Ground
12	RD-	Inverted Received Data Out	Internally AC-coupled
13	RD+	Non-inverted Received Data Out	Internally AC-coupled
14	VeeR	Module Receiver Ground
15	VccR	Module Receiver 3.3 V Supply
16	VccT	Module Transmitter 3.3 V Supply
17	VeeT	Module Transmitter Ground
18	TD+	Non-Inverted Transmit Data in	Internally AC-coupled
19	TD-	Inverted Transmit Data in	Internally AC-coupled
20	VeeT	Module Transmitter Ground

Pin-out Drawing

Figure 1. Pin-out Drawing

Package Outline

Figure 2. Package Outline

EEPROM Block Diagram

Figure 3. EEPROM Memory Map Specific Data Field Descriptions

Digital Diagnostic Monitoring Interface

Parameter	Range	Accuracy	Calibration	Notes
Temperature	0 to70°C	±3 °C	Internal
Temperature	-40 to 85 °C	±3 °C	Internal
Voltage	3 to3.6V	±3%	Internal
Bias Current	0 to131mA	±10%	Internal
TX Power	0 to 5 dBm	±3 dB	Internal
RX Power monitor	-28 to -8dBm	±3dB	Internal

Ordering Information

Part No.

Package

Data Rate

Reach

Wavelength

Temp.

SFP135C-GBA0

SFP

Tx:1.244 Gb/s

Rx:1.244 Gb/s or 2.448 Gb/s

20 km

Tx: 1310 nm

Rx: 1490 nm

0 to70°C

SFP135H-GBA0

-40 to 85 °C

Warnings

Handling Precautions: This device is susceptible to damage as a result of electrostatic discharge (ESD). A static free environment is highly recommended.

Follow guidelines according to proper ESD procedures.

Laser Safety: Radiation emitted by laser devices can be dangerous to human eyes. Avoid eye exposure to direct or indirect radiation.

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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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