LCP-2488B4HDRHM datasheet, PDF

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LCP-2488B4HDRHM: DescriptionFiber Optic Device; CategoryWireless rf/communication Optical fiber; File Size252KB，13 Pages; ManufacturerDelta Electronics

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LCP-2488B4HDRHM Overview

Fiber Optic Device

LCP-2488B4HDRHM Parametric

Parameter Name	Attribute value
Maker	Delta Electronics
Reach Compliance Code	compliant

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LCP-2488B4HDRxM

RoHS Compliant Multirate Small Form Factor Pluggable Transceiver

for SONET OC-48/SDH STM-16 Digital Diagnostic Function

FEATURES

Compliant with SFP Transceiver SFF-8472 MSA

specification

Compliant with Intermediate SONET OC-48 / SDH

STM-16 (I-16)

Compliant with the 2.125GBd Fiber Channel

200-SM-LC-L FC-PI Rev.13

Compliant with the 1.0625GBd Fiber Channel

100-SM-LC-L FC-PI Rev.13

Compliant with Specifications for IEEE

802.3z/Gigabit Ethernet

Compliant with Industry Standard RFT Electrical

Connector and Cage

Single + 3.3V Power Supply and TTL Logic

Interface

Laser Class 1 Product which comply with the

requirements of IEC 60825-1 and IEC 60825-2

Description

The LCP-2488B4HDRxM series are hot pluggable

3.3V Small-Form-Factor transceiver modules designed

expressly for high-speed communication applications

that require rates up to 2.5Gb/s. The transceiver is data

rate transparent, which means it can comply with SONET

OC-48 SR (SDH STM I-16) standards, Gigabit Ethernet

as specified in IEEE Std 802.3 and Fibre Channel FC-PI

SONET OC-3 standards.

The LCP-2488B4HDRxM series are designed to be

compliant with SFF-8472 SFP Multi-source Agreement

(MSA) with five digital monitoring functions: Temperature,

, TX optical power, TX laser bias current, and RX

received optical power.

The post-amplifier of the LCP-2488B4HDRxM

series also includes a Loss of Signal (LOS) circuit that

provides a TTL logic-high output when the received

optical level is below a preset LOS Assert threshold.

Applications

SONET OC-48 SR / SDH STM I-16

SONET OC-12 SR / SDH STM I-4

SONET OC-3 SR / SDH STM I-1

Fast Ethernet

Gigabit Ethernet / 1x/2x Fibre Channel

13.0. They are compatible with SONET OC-12 and

Performance

LCP-2488B4HDRxM Data(2488Mbps) Link up to 2km

in 9/125μm Signal Mode Fiber

DELTA ELECTRONICS, INC.

Nov., 2006

Rev. 0A

www.deltaww.com

LCP-2488B4HDRxM

Notes:

TX Fault is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor on the host

board. Pull up voltage between 2.0V and VccT, R+0.3V. When high, output indicates a laser fault of some kind.

Low indicates normal operation. In the low state, the output will be pulled to < 0.8V.

TX disable is an input that is used to shut down the transmitter optical output. It is pulled up within the module

with a 4.7 – 10 K

Ω

resistor. Its states are:

Low (0 – 0.8V):

(>0.8, < 2.0V):

High (2.0 – 3.465V):

Open:

Transmitter on

Undefined

Transmitter Disabled

Mod-Def 0,1,2. These are the module definition pins. They should be pulled up with a 4.7K – 10KΩresistor on the

host board. The pull-up voltage shall be VccT or VccR (see Section IV for further details). Mod-Def 0 is grounded

by the module to indicate that the module is present Mod-Def 1 is the clock line of two wire serial interface for

serial ID Mod-Def 2 is the data line of two wire serial interface for serial ID

LOS (Loss of Signal) is an open collector/drain output, which should be pulled up with a 4.7K – 10KΩ resistor.

Pull up voltage between 2.0V and VccT, R+0.3V. When high, this output indicates the received optical power is

below the worst-case receiver sensitivity (as defined by the standard in use). Low indicates normal operation. In

the low state, the output will be pulled to < 0.8V.

VeeR and VeeT may be internally connected within the SFP module.

RD-/+: These are the differential receiver outputs. They are AC coupled 100Ω differential lines which should be

terminated with 100Ω (differential) at the user SERDES. The AC coupling is done inside the module and is thus

not required on the host board. The voltage swing on these lines will be between 370 and 2000 mV differential

(185 – 1000 mV single ended) when properly terminated.

VccR and VccT are the receiver and transmitter power supplies. They are defined as 3.3V ±5% at the SFP

connector pin. Maximum supply current is 300mA. Recommended host board power supply filtering is shown

below. Inductors with DC resistance of less than 1 ohm should be used in order to maintain the required voltage

at the SFP input pin with 3.3V supply voltage. When the recommended supply-filtering network is used, hot

plugging of the SFP transceiver module will result in an inrush current of no more than 30mA greater than the

steady state value. VccR and VccT may be internally connected within the SFP transceiver module.

8) TD-/+: These are the differential transmitter inputs. They are AC-coupled, differential lines with 100Ω

differential termination inside the module. The AC coupling is done inside the module and is thus not

required on the host board. The inputs will accept differential swings of 500 – 2400 mV (250 – 1200

mV single-ended), though it is recommended that values between 500 and 1200 mV differential (250 –

600 mV single-ended) be used for best EMI performance.

DELTA ELECTRONICS, INC.

Nov., 2006

Rev. 0A

www.deltaww.com

LCP-2488B4HDRHM Related Products

	LCP-2488B4HDRHM	LCP-2488B4HDRTM	LCP-2488B4HDRM
Description	Fiber Optic Device	Fiber Optic Device,	Fiber Optic Device
Maker	Delta Electronics	Delta Electronics	Delta Electronics
Reach Compliance Code	compliant	compliant	compliant

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