MiniPOD™ 10Gbps 12通道光纤模块AFBR-811VxyZ, AFBR-821VxyZ

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"AFBR-811VxyZ, AFBR-821VxyZ是AVAGO公司推出的10Gbps/通道的十二通道并行光纤模块，用于短距离多 lane 数据通信和互连应用。这些高性能的光纤模块在多模光纤系统中以850nm的名义波长运行，提供了两种模块封装选项——AFBR-811RxyZ Tx/AFBR-821RxyZ Rx适用于圆形多lane电缆组装，而AFBR-811FxyZ Tx/AFBR-821FxyZ Rx则适用于扁平带状电缆组装，以优化电缆管理和主板布局。" **详细知识点说明** 1. **AFBR-811VxyZ 和 AFBR-821VxyZ 模块** 这两个模块是由AVAGO（现为Broadcom）开发的10Gbps/通道的并行光纤收发器。它们主要用于实现高速数据通信和互连，尤其适合短距离传输。其中，AFBR-811VxyZ是发射器，而AFBR-821VxyZ是接收器。 2. **10Gbps/通道的数据速率** 每个通道的数据速率高达10Gbps，这意味着整个十二通道模块可以支持高达120Gbps的总数据传输速率，这在数据中心、服务器集群和高性能计算等领域具有广泛的应用。 3. **十二通道设计** 十二通道的设计允许同时传输大量数据，提高了系统的并行处理能力。这种设计是针对高密度数据传输需求的，例如在云计算、大数据处理以及高性能网络设备中。 4. **多模光纤系统** 这些模块设计用于在多模光纤系统中工作，多模光纤能够在较短的距离内提供高带宽，特别适合数据中心内部的连接。 5. **850nm名义波长** 模块采用850纳米的波长，这是多模光纤常见的工作波长，可以实现高效的光信号传输。 6. **MiniPOD解决方案** MiniPOD是Avago推出的一种紧凑型封装解决方案，旨在提高系统的空间利用率和电缆管理效率。它提供两种封装选项，以适应不同的系统设计需求。 7. **模块封装选项** - **AFBR-811RxyZ Tx/AFBR-821RxyZ Rx**: 适用于圆形多lane电缆组装，适合需要在机箱内部多次转弯的跳线应用。 - **AFBR-811FxyZ Tx/AFBR-821FxyZ Rx**: 与扁平带状电缆组装配合使用，可使模块紧密排列，通过在相邻模块的防尘帽下穿线来节省空间。 8. **优化的主板布局** 顶部安装的光学连接方式消除了因光学连接器占用的主板空间，从而最大化了主板的布局密度，提高了系统的整体集成度。这些模块的特性使得它们成为现代高速网络和数据中心环境中的理想选择，能够有效地处理大量数据，同时保持良好的性能和可靠性。

Avago Technologies Condential. Restricted under NDA

Receiver Electrical Characteristics

The following characteristics are dened over the Recommended Operating Conditions from 0 °C to 70 °C, unless

otherwise noted. Typical values are for T

= 40 °C, V

cc33

= 3.3 V and V

cc25

= 2.5 V.

Parameter Test Point Min Typ Max Units Reference

Power Consumption 1.1 1.4 W Note 1

Power Supply Current (V

cc25

) –

@ Default De-emphasis / Default output swing

350 425 mA Note 2

Power Supply Current (V

cc33

) –

@ Default De-emphasis / Default output swing

48 90 mA Note 3

Power Supply Current (V

cc25

) –

@ Max De-emphasis/Max output swing

430 525 mA Note 2

Power Supply Current (V

cc33

) –

@ Max De-emphasis/Max output swing

48 90 mA Note 3

Data Output Dierential Peak-to-Peak

Voltage Swing (Default De-emphasis)

TP4 400 500 600 mVpp

Note 4, 100 Ω Load

(default setting)

Data Output Common Mode Voltage TP4 2.0 2.540 V Over Amplitude Range

AC common-mode output voltage (RMS) TP4 7.5 mV

Termination mismatch at 1 MHz TP4 5 %

Dierential Output Impedance TP4 85 115

Informative

Dierential Output Return Loss,

10M – 11.1 GHz

TP4 dB Note 5

CM to Dierential Mode Conversion,

0.1G –11.1 GHz

TP4 dB Note 6

Power On Initialization Time 288 2000 ms

Output transition time (20% to 80%) TP4 28 ps

J2 Jitter Output TP4 0.42 UI Dened in 802.3ba

J9 Jitter Output TP4 0.65 UI Dened in 802.3ba

Data Dependent Pulse Width Shrinkage TP4 0.34 UI Dened in 802.3ba

Inter-channel Skew TP4 11 ns

Inter-channel Skew Variation TP4 100 ps Note 7

Eye Mask Coordinates:

X1, X2, Y1, Y2

TP4 SPECIFICATION VALUES

0.29, 0.5, 150, 425

Note 8,

Hit Ratio = 5x10

-5

Notes:

1. Max conditions include default output amplitude and de-emphasis programming.

2. Supply current includes that of all Vcc25 contacts.

3. Supply current includes that of all Vcc33 contacts.

4. See section on page 61 “Receiver Output Amplitude Control Code Description” for range of voltages dened in the receiver upper page 01h,

address range 228 to 233. Data outputs are CML compatible. Data Output Dierential Peak to Peak Voltage Swing is dened as follows: ΔV

DO pp

= ΔV

DOH

– ΔV

DOL

where ΔV

DOH

= High State Dierential Data Output Voltage and ΔV

DOL

= Low State Dierential Data Output Voltage. Output

voltage swing is adjustable via TWS interface.

5. From 10 MHz to 11.1 GHz. The magnitude in decibels of the module dierential output return loss at TP4 and the host dierential input return loss

at TP4a shall not exceed the limit given in Equation

Return_loss (ƒ) ≥ 12 – 2√(f) 0.01 ≤ f < 4.1 dB

≥ 6.3 – 13log10(f/5.5) 4.11 ≤ f < 11.1 dB

6. From 10 MHz to 11.1 GHz. The magnitude in decibels of the host common mode output return loss at TP4 shall not exceed the limit given in

Equation:

Return_loss (ƒ) ≥ 7 – 1.6f 0.01 ≤ f < 2.5 dB

≥ 3 2.5 ≤ f < 11.1 dB

f is the frequency in GHz.

7. Inter-Channel Skew is dened for the condition of equal amplitude, zero ps skew input signals at TP1a.

Rx Electrical Eye Mask Coordinates (TP4) at Hit ratio 5 x 10

-5

hits per sample

Dierential Amplitude [mV]

-Y2

-Y1

Normalized Time [UI]

0 X1 X2 1-X1 1.0

Avago Technologies Condential. Restricted under NDA

Transmitter Optical Characteristics

The following characteristics are dened over the Recommended Operating Conditions from 0 °C to 70 °C, unless

otherwise noted. Typical values are for T

= 40 °C, V

cc33

= 3.3 V and V

cc25

= 2.5 V. Test point = TP2. Note: The TX output

performance is only guaranteed with a dierential input that meets the recommended operating conditions. A link

driven with a single-ended signal will degrade the jitter performance.

Parameter Symbol Min Typ Max Units Reference

Center Wavelength

840 850 860 nm

RMS spectral width 0.35 0.65 nm 2

Average launch Power, each lane P

O AVE

-7.6 2.4 dBm

Output Optical Power: Disabled P

O OFF

-30 dBm

Extinction Ratio ER 3 dB

Optical Modulation Amplitude, each lane OMA -5.6 3 dBm 3

Output Power (Squelched OMA) -2.4 dBm AC Squelch

Dierence in launch power between any two

lanes (OMA)

4 dB

Peak power, each lane 4 dBm

Launch Power in OMA minus TDP, each lane Po - TDP -6.5 dBm

Transmitter and Dispersion Penalty, each lane TDP 3.5 dB

Optical return loss tolerance 12 dB

Encircled ux

≥ 86% at 19 mm,

≤ 30% at 4.5 mm

Specication Values

Eye mask coordinates: X1, X2, X3

Y1, Y2, Y3

0.23, 0.34, 0.43

0.27, 0.35, 0.4

UI 4, Hit ratio = 5x10

-5

per sample

Power On Initialization Time Tx Outputs t

PWR INIT

350 2000 ms

Reset De-assert Re-initialization Time Tx Outputs t

RSTL OFF

350 2000 ms

Output Disable Assert Time for Fault t

DIS ON

9 100 ms

Output Squelch Assert Time for LOS t

SQ ON

52 80

Output Squelch De-assert Time for LOS t

SQ OFF

49 80

Notes:

1. These optical specications are dependent upon the performance of the PRIZM LightTurn to cable assembly, which assumes a maximum of 2 dB

insertion loss. More details are provided on the PRIZM LightTurn cable assembly specication. Please contact your Avago sales representative to

receive this specication.

2. RMS spectral width is the standard deviation of the spectrum.

3. Output of user provided ber connector. Even if the TDP < 0.9 dB, the OMA minimum must exceed this minimum value.

4. Compliance assured up to 10.3125 Gbps.

Transmitter eye mask denitions (TP2) at Hit ratio 5 x 10

-5

hits per sample

X1=0.23

Mask Coordinates

X2=0.34

X3=0.43

Y1=0.27

Y2=0.35

Y3=0.40

Normalizd Amplitude

1-Y2

0.5

1-Y1

1+Y3

-Y3

Normalized Time (Unit Interval)

0 X1 X2 1-X2 1-X1 1X3 1-X3

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