AFBR-79EQPZ QSFP+ Pluggable, Parallel Fiber-Optics Module for 40 Gb Ethernet and InfiniBand Applications Data Sheet Description Features Compliant to the 40GBASE-SR4 and XLPPI Specification The Avago Technologies AFBR-79EQPZ is a Four-Channel, per IEEE 802.3ba-2010 and supporting 40G-IB-QDR / Pluggable, Parallel, Fiber-Optic QSFP+ Transceiver with an 20G-IB-DDR / 10G-IB-SDR applications integrated push-pull tab for 40 Gigabit Ethernet (40GbE) application. This transceiver is a high performance module Compliant to the industry standard SFF-8436 QSFP+ for short-range multi-lane data communication and inter- Specification Revision 3.5 connect applications. It integrates four data lanes in each Power Level 1: Max Power <1.5W direction with 40 Gbps aggregate bandwidth. Each lane High port density: 21mm horizontal port pitch can operate at 10.3125 Gbps up to 100 m using OM3 fiber Push-pull tab: ease of transceiver insertion and or 150 m using OM4 fiber. These modules support 4 x 10G extraction tab front clip color codedBlac for SR4 InfiniBand (IB) quadruple data rate (40G-IB-QDR) applica - identification tions and are backwards compatible to the 4 x 5G IB dual data rate (20G-IB-DDR) and 4 x 2.5G IB single data rate Operate at 10.3125 Gbps per channel with 64b/66b (10G-IB-SDR) applications as well. The push-pull tab facili- encoded data for 40GbE application and at 10 Gbps tates the insertion and extraction of these transceivers in with 8b/10b compatible encoded data for 40G-IB-QDR such high density environment. application Links up to 100m using OM3 fiber and 150m using These modules are designed to operate over multimode OM4 fiber fiber systems using a nominal wavelength of 850nm. The electrical interface uses a 38 contact edge type connec- Supports optical interoperability with 10GBASE- tor. The optical interface uses an 8 or 12 fiber MTP (MPO) SR modules per IEEE 802.3ae standard provided the connector. This module incorporates Avago Technolo- receiver overload of 10G modules sustains up to 2.4 gies proven integrated circuit and VCSEL technology to dBm input optical power provide reliable long life, high performance, and consis- 0 to 70C case temperature operating range tent service. The integrated push-pull tab facilitates the Proven High Reliability 850 nm technology: Avago insertion and extraction of these modules in all applica- VCSEL array transmitter and Avago PIN array receiver tions. Hot pluggable transceiver for servicing and ease of installation Part Number Ordering Options Two Wire Serial (TWS) interface with maskable AFBR-79EQPZ 40GbE and 40G-IB-QDR/20G-IB-DDR/10G- interrupts for expanded functionality IB-SDR with full real-time digital diagnos- Utilizes a standard 12/8 lane optical fiber with MTP tic monitoring and push-pull tab (MPO) optical connector for high density and thin, AFBR-79Q4EKZ* Evaluation Board light-weight cable management AFBR-79Q2EKZ** Evaluation Kit Applications * Includes GUI and User Guide ** Includes GUI, User Guide, i-Port and Power Supply 40GbE and 40G-IB-QDR / 20G-IB-DDR / 10G-IB-SDR interconnects Datacom/Telecom switch & router connections Data aggregation and backplane applications Proprietary protocol and density applications Patent - www.avagotech.com/patents WARNING CAUTION Viewing the laser output with certain optical instruments (for example, eye loupes, magnifiers and microscopes) within a distance of INVISIBLE LASER RADIATION 100 mm may pose an eye hazard. DO NOT VIEW DIRECTLY CAUTION Use of controls or adjustments or performance of procedures WITH OPTICAL INSTRUMENTS other than those specified herein may result in hazardous radiation CLASS 1M LASER PRODUCT exposure. Note: Standard used for classification: EN 60825-1:2007 CLASS 1M LASER PRODUCT: INVISIBLE LASER RADIATION, DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS Transmitter Receiver The optical transmitter portion of the transceiver (see The optical receiver portion of the transceiver (see Figure 1) incorporates a 4-channel VCSEL (Vertical Cavity Figure 1) incorporates a 4-channel PIN photodiode array, a Surface Emitting Laser) array, a 4-channel input buffer and 4-channel TIA array, a 4 channel output buffer, diagnostic laser driver, diagnostic monitors, control and bias blocks. monitors, and control and bias blocks. The Rx Output The transmitter is designed for EN 60825 and CDRH eye Buffer provides CML compatible differential outputs for safety compliance Class 1M out of the module. The Tx the high speed electrical interface presenting nominal sin- Input Buffer provides CML compatible differential inputs gle-ended output impedances of 50 Ohms to AC ground presenting a nominal differential input impedance of and 100 Ohms differentially that should be differentially 100 Ohms. AC coupling capacitors are located inside the terminated with 100 Ohms. AC coupling capacitors are QSFP+ module and are not required on the host board. For located inside the QSFP+ module and are not required module control and interrogation, the control interface on the host board. Diagnostic monitors for optical input (LVTTL compatible) incorporates a Two Wire Serial (TWS) power are implemen-ted and results are available through interface of clock and data signals. Diagnostic monitors the TWS interface. for VCSEL bias, module temperature, and module power Alarm and warning thresholds are established for the mon- supply voltage are implemented and results are available itored attributes. Flags are set and interrupts gene-rated through the TWS interface. when the attributes are outside the thresholds. Flags are Alarm and warning thresholds are established for the also set and interrupts generated for loss of optical input monitored attributes. Flags are set and interrupts gener- signal (LOS). All flags are latched and will remain set even ated when the attributes are outside the thresholds. Flags if the condition initiating the flag clears and operation are also set and interrupts generated for loss of input resumes. All interrupts can be masked and flags are reset signal (LOS) and transmitter fault conditions. All flags are upon reading the appropriate flag register. The electrical latched and will remain set even if the condition initiating output will squelch for loss of input signal (unless squelch the latch clears and operation resumes. All interrupts can is disabled) and channel de-activation through TWS inter- be masked and flags are reset by reading the appropriate face. Status and alarm/warning information are available flag register. The optical output will squelch for loss of via the TWS interface. To reduce the need for polling, the input signal unless squelch is disabled. Fault detection hardware interrupt signal is provided to inform hosts of an or channel deactivation through the TWS interface will assertion of alarm, warning and/or LOS. disable the channel. Status, alarm/warning and fault in- formation are available via the TWS interface. To reduce the need for polling, the hardware interrupt signal is pro- vided to inform hosts of an assertion of alarm, warning, LOS and/or Tx fault. 2