Delta Electronics 10GBASE-LRM SFP+ Optical Transceiver... Manuel utilisateur

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

1 Revision: 0B

2008/9/5

www.deltaww.com

10GBASE-LRM SFP+ Optical Transceiver Preliminary

FEATURES

 RoHS compliant

 Compliant to SFP+ Electrical MSA SFF-8431

 Compliant with SFF-8472 MSA

 Standard LC duplex fiber-optic connector

 I2C for integrated Digital Optical Monitoring

 Power consumption ＜1W

Description

The LCP-10G3B4EDR is a hot pluggable

10Gbps small form factor plus transceiver

module integrated with the high performance

1310nm FP Laser transmitter, high sensitivity

linear PD-TIA receiver for 10Gbps applications.

It is compliant with the SFF-8431 SFP+

Electrical Multi-source Agreement (MSA) with

five digital monitoring functions: Temperature,

Vcc, Tx optical power, Tx laser bias current and

Rx received optical power.

Applications



10G LAN switch



10G Ethernet switch/router



10G Fiber channel

 SAN applications

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

2 Revision: 0B

2008/9/5

www.deltaww.com

Absolute Maximum Ratings

Parameter Symbol Min. Typ. Max. Unit

Storage Temperature TS-40 85 ºC

Supply Voltage Range @3.3V VCC3 -0.5 3.6 V

Recommended Operating Conditions

Parameter Symbol Min. Typ. Max. Unit

Case Operating Temperature TC-5 +70 ºC

Supply Voltage @3.3V VCC3 3.135 3.30 3.465 V

Relative Humidity (non condensation) - 5 85 %

DC Common Mode Voltage VCM 0 3.6 V

Low Speed Electrical Characteristics

(VCC=3.135V to 3.465V)

Parameter Symbol Min. Typ. Max. Unit Note

Total Supply Current ICC 300 mA

Power Consumption PC 1 W

VOL 0 0.4 V

TX_Fault, RX_LOS VOH Host_Vcc-0.5 Host_Vcc+0.3 V

VIL -0.3 0.8 V 1

TX_Disable VIH 2.0 VccT+0.3 V 1

VIL -0.3 0.8 V 2

RS0, RS1 VIH 2.0 VccT+0.3 V 2

1. Shall be pulled up with 4.7k-10k ohms to 3.3 volt in the module.

2. Shall be pulled low to GND with a ＞30k ohms resistor in the module.

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

3 Revision: 0B

2008/9/5

www.deltaww.com

Operating Ranges (Tc= -5 to 70 )℃℃

Multimode Fiber Type

Min.Modal

Bandwidth

(MHz*km)

Opterating

Range(m)

Maximum Channel

Insertion Loss (dB)

62.5um MMF OM1 160/500 0.5 to 220 1.9

50um MMF OM2 500/500 0.5 to 220 1.9

50um MMF OM3 1500/500 0.5 to 220 1.9

Optical Transmitter Characteristics (TC= -5 to 70 )℃℃

Parameter Symbol Min. Typ. Max. Unit Note

Data Rate R 10.3125 Gb/s

Signaling speed variation from nominal. ±100 ppm

Average Output Power Pavg -6.5 0.5 dBm

Wavelength λ1260 1355 nm

RMS Spectral Width at 1260nm

RMS Spectral Width between 1260nm and 1300nm

RMS Spectral Width between 1300nm and 1355nm

2.4

Figure 1

Extinction Ratio ER 3.5

Optical Modulation Amplitude OMA -4.5 1.5 dBm

RIN20OMA RIN -128 dB/Hz

Transmitter eye mask definition

{X1, X2, X3, Y1, Y2, Y3} {0.25, 0.40, 0.45, 0.25, 0.28, 0.40}

Notes:

1. Refer to the spectral limits curve in Figure 1.

Transmitter eye mask definition

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

4 Revision: 0B

2008/9/5

www.deltaww.com

Figure 1. 10GBASE-LRM Transmitter spectral limits

Optical Receive Characteristics (Tc= -5 to 70 )℃℃

Parameter Symbol Min. Typ. Max. Unit Note

Signaling speed (nominal) TS10.3125 Gb/s

Signaling speed variation from

nominal. ±100 ppm

Center Wavelength λ1260 1355 nm

Overload in OMA PO1.5 dBm

Stressed sensitivity in OMA RSO -6.5 dBm 1

Stressed sensitivity in OMA for

symmetrical test -6 1

LOS De-assert LOSD-14.5 dBm

LOS Assert LOSA-22 dBm 2

LOS Hysteresis LOSD-LOSA0.5 dB

Notes:

1. PRBS 231-1 at 10-12 BER

2. When LOS asserted, the data output is Low-Level (fixed)

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

5 Revision: 0B

2008/9/5

www.deltaww.com

SFP+ Transceiver Electrical Pad Layout

Module Electrical Pin Definition

Pin Logic Symbol Name/Description Note

1 VeeT Module Transmitter Ground 1

2 LVTTL-O TX_Fault Module Transmitter Fault 2

3 LVTTL-I TX_Disable Transmitter Disable; Turns off transmitter laser output 3

4 LVTTL-I/O SDA 2- write Serial Interface Data Line

5 LVTTL-I/O SCL 2- write Serial Interface Clock

6 MOD_ABS Module Absent, connected to VeeT or VeeR in the module 4

7 LVTTL-I RS0 Not Implement

8 LVTTL-O RX_LOS Receiver Loss of Signal Indication 2

9 LVTTL-I RS1 Not Implement

10 VeeR Module Receiver Ground 1

11 VeeR Module Receiver Ground 1

12 CML-O RD- Receiver Inverted Data Output

13 CML-O RD+ Receiver Non-Inverter Data Output

14 VeeR Module Receiver Ground 1

15 VccR Module Receiver 3.3V Supply

16 VccT Module Transmitter 3.3V Supply

17 VeeT Module Transmitter Ground 1

18 CML-I TD+ Transmitter Non-Inverted Data Input

19 CML-I TD- Transmitter Inverted Data Input

20 VeeT Module Transmitter Griund 1

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

6 Revision: 0B

2008/9/5

www.deltaww.com

Note:

1. The module signal ground pins, VeeR and VeeT, shall be isolated from the module case.

2. This pin is an open collector/drain output pin and shall be pulled up with 4.7k-10k ohms to Host_Vcc

on the host board. Pull ups can be connected to multiple power supplies, however the host board

design shall ensure that no module pin has voltage exceeding module VccT/R + 0.5V.

3. This pin is an open collector/drain input pin and shall be pulled up with 4.7k-10k ohms to VccT in the

Module.

4. This pin shall be pulled up with 4.7k-10k ohms to Host_Vcc on the host board.

Low speed electrical control pins and 2-wire interface

In addition to the 2-wire serial interface, the SFP+ module has the following low speed pins for control and

status:

‧TX_Fault

‧TX_Disable

‧RS0/RS1

‧MOD_ABS

‧RX_LOS

1 TX_Fault

.TX_Fault is a module output pin that when High, indicates that the module transmitter has detected a fault

condition related to laser operation or safety.

The TX_Fault output pin is an open drain/collector and must be pulled p to the Host_Vcc with 4.7k-10k

ohms on the host board

2 TX_Disable

TX_Disable is a module input pin. When TX_Disable is asserted High or Left open, the SFP+ module

transmitter output must be turned off. The TX_DIS pin must be pulled up to VccT in the SFP+ module..

3 RS0/RS1

RS0 and RS1 are module input rate select pins and are pulled low to VeeT with a > 30kΩresistor in the

module. RS0 is an input hardware pin which optionally selects the optical receive data path rate coverage

for an SFP+ module. RS1 is an input hardware pin which optionally selects the optical transmit path data

rate coverage for an SFP+ module. RS1 is commonly connected to VeeT or VeeR in the legacy SFP

modules. The host needs to ensure that it will not be damaged if this pin is connected to VeeT or VeeR in

the module.

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

7 Revision: 0B

2008/9/5

www.deltaww.com

4 MOD_ABS

Mod_ABS is pulled up to Host_Vcc with 4.7k-10k ohms on the host board and connected to VeeT or VeeR

in the SFP+ module. MOD_ABS is then asserted “High” when the SFP+ module is physically absent from

a host slot. In the SFP MSA (INF8074i) this pin had the same function but is called MOD_DEF0.

5 SCL/SDA

SCL is the 2-wire interface clock and SDA is the 2-wire interface data line. SCL and SDA are pulled up to

a voltage in the range of 3.14V to 3.46V on the host.

6 RX_LOS

RX_LOS when High indicated an optical signal level below that specified in the relevant standard. The

RX_LOS pin is an open drain/collector output and must be pulled up to host Vcc with a 4.7k-10k ohms on

the host board.

RX_LOS assert min and de-assert max are defined in the relevant standard. To avoid spurious transition

of RX_LOS a minimum hysteresis of 0.5 dB is recommended.

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

8 Revision: 0B

2008/9/5

www.deltaww.com

Recommend Circuit Schematic

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

9 Revision: 0B

2008/9/5

www.deltaww.com

Package Outline Drawing for Metal Housing with Bail de-latch

Latch Color Identifier

Blue

Complies with 21 CFR

1040.10 and 1040.11

Made in x FSFS

LCP-10G3B4EDR

DELTA ELECTRONICS, INC.

10 Revision: 0B

2008/9/5

www.deltaww.com

Timing parameters for SFP+ management

Parameter Symbol Min. Max. Unit Note

TX_DISABLE Assert time t_off 10 µsec 1

TX_DISABLE Negate time t_on 2 msec 2

Time to initialize 2-wire

interfase t_2w_start_up 300 msec 3

Time to initialize t_start_up 300 msec 4

Time to initialize cooled

module t_start_up_cooled 90 sec 4

Time to Power Up to Level 2 t_power_level2 300 msec 5

Time to Power Down from

Level 2 T_power_down 300 msec 6

TX_Fault assert TX_Fault_on 1 msec 7

TX_Fault assert for cooled

module TX_Fault_on 50 msec 7

TX_Fault Reset t_reset 10 µsec 8

Module Reset t_module_reset TBD msec TBD

RS0, RS1 rate select timing

for FC

t_RS0_FC,

RS1_FC 500 µsec 9

RS0, RS1 rate select timing

non FC t_RS0, t_RS1 10 msec 9

RX_LOS assert delay t_los_on 100 µsec 10

RX_LOS negate delay t_los_off 100 µsec 11

Notes:

1) Rising edge of TX_Disable to fall of output signal below 10% of nominal.

2) Falling edge of TX_Disable to rise of output signal above 90% of nominal. This only applies in normal

operation, not during start up or fault recovery.

3) From power on or negation of TX_Disable.

4) From power on or TX_Disable negated during power up, or TX_Fault recovery, until non-cooled power

level 1 part (or non-cooled power level 2 part already enabled at power level 2 for TX_Fault recovery)

is fully operational.

5) From falling edge of stop bit enabling power level 2 until non-cooled module is fully operational.

6) From falling edge of stop bit disabling power level 2 until module is within power level 1 requirements.

7) From Occurrence of fault to assertion of TX_Fault.

8) Time TX_Disable must be held High to reset TX_Fault.

9) From assertion till stable output.

10) From Occurrence of loss of signal to assertion of LOS

11) From Occurrence of presence of signal to negation of RX_LOS.

Table des matières

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