Datasheet 10GBASE-CX4 Copper XFP Transceiver XFP-CX4 Features 10GBASE-CX4 compliant (IEEE 802.3ak) 15 meters reach on appropriate CX4-grade copper cable -- 4-channel full-duplex copper cable support MSA compatible form factor (XFP) XFI high-speed host electrical interface Serial two-wire interface with SCL/SDA lines Z-axis front panel pluggable 30-pin host connector MDI socket for CX4, Infiniband, and Fibre Channel compatibility XFP power level 2 compliance Overview Hot-pluggable electronics The XFP-CX4 copper transceiver from MRV Communications provides cost-effective and reliable bandwidth transport of up to 12.5 Gigabits over distances of up to 15 meters. The product provides 4 full-duplex, 3.125 Gigabaud transmit and receive channels over a single parallel copper cable that is transparent to the user. It not only offers the ability to scale net bandwidth in 10 Gigabit increments, it also mates directly with the industry standard MDI electrical socket. 0°C to 70°C case temperature operating range RoHS 5/6 Compliance Applications 10 Gigabit Ethernet Enterprise routers Workgroup routers and switches Servers The XFP-CX4 is ideal for telecom central office and enterprise data center applications. Whether extending bandwidth in-system or inter-connecting between systems, the XFPCX4 transceiver offers an attractive combination of high performance and low cost in an industry standard form factor. NIC cards Storage interfaces Supercomputers Absolute Maximum Ratings Parameter Symbol Min. Typical Max. Units Notes Storage Temperature Ts -20 - 100 °C 1 Supply Voltage (3.3 V) Vcc3 -0.5 - 3.6 V 1 Supply Voltage (1.8 V) Vcc2 -0.5 - 2.0 V 1 CMOS Data Input Voltage VI -0.3 - VCCA+0.3 V 1 CML Output Current ID -50 - 50 mA 1 Relative Humidity RH 5 - 95 % 1, 2 Notes: 1. Exceeding the absolute maximum ratings can permanently damage the module. 2. Non condensing. Not intended for applications requiring agueous wash. 1 Datasheet Recommended Operating Conditions Parameter Symbol Min. Typical Max. Units Notes Tc +0 - +70 ºC - Supply Voltage (3.3 V) Vcc3 3.14 3.3 3.47 V ±5% Power Supply Rejection PSR - - 200 mVp-p 1 Supply Voltage (1.8 V) Operating Case Temperature Vcc2 1.71 1.80 1.89 V ±5% Signaling Rate - - 10.3125 - GBd 2 Clock Skew (from 10.3125 Gbps) - - - 100 ppm - SCL Clock Rate SCL/SDA I/O Voltage (LVTTL) (host pull to 3.3 V) SCL - - 400 kHz - VL / VH -0.3 / Vcc3*0.7 - Vcc3*0.3 / Vcc3+0.5 V - RDL - 100 - Ohm 3 Serial Data Input Termination Differential Notes: 1. Tested with 200 mVp-p broadband noise in the frequency range from 44 kHz to 400 MHx on the 3.3V Vcc supply. 2. Limited to 10 gb/s ethernet LAN data. 3. The high-speed serial transmitter’s data inputs are internally terminated for use with external transmission lines that have a characteristic impedance of Zo = 100 Ohms differential. Receiver Specifications (Electrical) Parameter Symbol Min. Cable Type Connector Durability Typical Max. Units Notes Standard 4 channel CX4 cable 100 Connector Style - - - - 1 Industry standard MDI copper connector - Notes: 1. Insertions/extractions Electrical Characteristics, General Parameter Symbol Min. Typical Max. Units Notes Supply Voltage (3.3 V) Vcc3 3.14 3.3 3.47 V - Supply Current (3.3 V) Icc3 - 100 - mA - Supply Voltage (1.8 V) Vcc2 1.71 1.8 1.89 V - Supply Current (1.8 V) Icc2 - 500 - mA - Power Dissipation PDIST - - 2.0 W - TX_Dis, P_Down/RST Voltage VL / VH -0.3 / 2.0 - 0.8 / Vcc3+0.3 V RX_Los, Mod_NR, Interrupt VL / VH 0 / Host_Vcc-0.5 - 0.40 / Host_Vcc+0.31 V - - 10 - - μs - P_Down Reset Time 2 Datasheet Electrical Transmitter Characteristics (Cable Side, CX4 Side) Parameter Differential Peak-to-Peak Output Voltage Swing Symbol Min Typical Max Unit Notes Vout 800 - 1200 mV 1 Differential Voltage Difference (lane to lane) Vout - - 175 mV - Common Mode Output Voltage Vcom 0.5 0.75 1.0 V - Data Output Rise Time (20%/80%) tr 60 - 130 ps 2 Data Output Fall Time (80%/20%) tf 60 - 130 ps 2 Deterministic Jitter DJ - - 0.17 UI - Total Jitter TJ Vcc - - 0.35 UI - 3.15 3.3 3.46 V - Rtype_sense - 5.1 - KOhm - Vcc for Active Module (when active module present) Resistor attached to type_sense for turning on power to active module Notes: 1. Vout = [ (Vout+p-p) - (Vout-p-p)] 2. Power will not be supplied to that pin if a copper cable or any module without a resistor of proper value attached to the type_sense pin. The resistor should be 5.1K ± 10% Electrical Receiver Characteristics (Cable Side, CX4 Side) Parameter Symbol Min. Typical Max. Units Notes Receiver Differential Input Voltage Vin 100 - 2000 mVp-p 1 Deterministic Jitter Tolerance DJ 0.65 - - UI 2 Total Jitter Tolerance TJ 0.75 - - UI - Notes: 1. Vin = [ (Vin+p-p) - (Vin-p-p)] 2. If the incoming DJ is caused by copper cable then it can be compensated by equalization in the receiver. In this ase the DJ tolerance could be as high as 1UI. S6 S2 G1 S5 S1 S12 S11 G5 G9 S16 S15 Electrical Pin Map (Cable Side, CX4 Side) Front-View CX4 Connector 3 Datasheet Note: Electrical Pin Map (Cable Side, CX4 Side) SFF-8470 MDI Connector Function Active Module Pin Assignment G1 GND G2 ODIS G3 GND G4 GND G5 GND G6 Fault- G7 Type_Sense G8 Vcc G9 GND S1 RX0+ S2 RX0- S3 RX1+ S4 RX1- S5 RX2+ S6 RX2- S7 RX3+ S8 RX3- S9 TX3- S10 TX3+ S11 TX2- S12 TX2+ S13 TX1- S14 TX1+ S15 TX0- S16 TX0+ Housing Chassis Ground The cable side pin assignment is compatible with the Fibre Channel standard proposal (PI-2) that supports active modules. When a copper cable is plugged in, then all G_signals are ground. Signal Description, Cable Side, CX4 Side Signal Functional Description GND Circuit ground. Connect these pins to the host system’s circuit common ground plane. Vcc Power supply provides +3.3 VDC when an active module (QTR3400) is plugged into the socket. Output is AC ground when a regular copper cable is present. TX0+ through TX3+ CML compatible transmitter data out+ for channels 0 through 3, respectively. TX0- through TX3- CML compatible transmitter data out- for channels 0 through 3, respectively. RX0+ through RX3+ CML compatible transmitter data in+ for channels 0 through 3, respectively. RX0- through RX3- CML compatible transmitter data in- for channels 0 through 3, respectively. ODIS Used to control the active module. Grounded in this CX4 implementation. Type_Sense Used to determine whether or not active module is present. It is an AC ground. Fault- Transmitter Fault signal or Loss signal from receiver side. Grounded in this CX4 implementation. 4 Datasheet Electrical Pin Map, Host Side, XFI Side 5 Datasheet Electrical Pin Map, Host Side, XFI Side, Bottom Side of Board Pin Logic Name 1 - GND 2 VEE5 Optional 3 LVTTL-I 4 Functional Description Notes Module Ground 1 -5.2 V power supply - Mod_DeSel Module De-select; When held low allows module to respond to 2-wire serial interface - LVTTL-O Interrupt_N Indicates presence of an important condition which can be read over the 2-wire serial interface 2 5 LVTTL-I TX_DIS Transmitter Disable; Turns off transmitter laser output - 6 VCC5 +5 V Power supply - 7 - GND Module Ground 1 8 - Vcc3 +3.3 V Power Supply - 9 - Vcc3 +3.3 V Power Supply - 10 LVTTL-I/O SCL 2-Wire Serial Interface Clock 2 11 LVTTL-I/O SDA 2-Wire Serial Interface Data Line 2 12 LVTTL-O Mod_Abs Indicates module is not present. Grounded in the module 2 13 LVTTL-O Mod_NR Module Not Ready; Indicating module operational fault 2 14 LVTTL-O RX_LOS Receiver Loss of Signal Indicator 2 15 - GND Module Ground 1 16 GND Module Ground 1 17 CML-O RD_N Receiver Inverted Data Output - 18 CML-O RD_P Receiver Non-Inverted Data Output - 19 - GND Module Ground 1 20 - Vcc2 +1.8 V Power Supply - 21 LVTTL-I P_Down/RST Power Down; When high, requires the module to limit power consumption to 1.5 W or below. 2-wire serial interface must be functional in the low power mode. Reset; The falling edge initiates a complete reset of the module including the 2-wire serial interface, equivqlent to a power cycle. - 22 - Vcc2 +1.8 V Power Supply - 23 - GND Module Ground 1 24 PECL-I RefCLK_N Reference Clock Non-Inverted Input, AC coupled on the host board - 25 PECL-I RefCLK_P Reference Clock Inverted Input, AC coupled on the host board - 26 - GND Module Ground 1 27 CML-I GND Module Ground 1 28 TD_N Transmitter Inverted Data Input - 29 CML-I TD_P Transmitter Non-Inverted Data Input - 30 - GND Module Ground 1 Notes: 1. XFP-CX4 module ground pins are isolated from the module case ground. 2. Must be pulled up with 4.7 K-10 KOhms to a voltage between 3.15 V and 3.45 V on the host board. 6 Datasheet Module Outline Dimensions, in mm Model Description Data Rate Distance (m) Ordering Information XFP-CX4 10 GbE -CX4 Copper XFP Transceiver Up to 12.5 Gbps 15 MRV has more than 50 offices throughout the world. Addresses, phone numbers and fax numbers are listed at www.mrv.com. Please e-mail us at [email protected] or call us for assistance. MRV Los Angeles 20415 Nordhoff St. Chatsworth, CA 91311 800-338-5316 818-773-0900 MRV Boston 295 Foster St. Littleton, MA 01460 800-338-5316 978-952-4700 MRV International Business Park Moerfelden Waldeckerstrasse 13 64546 Moerfelden-Walldorf Germany Tel. (49) 6105/2070 Fax (49) 6105/207-100 All statements, technical information and recommendations related to the products herein are based upon information believed to be reliable or accurate. However, the accuracy or completeness thereof is not guaranteed, and no responsibility is assumed for any inaccuracies. Please contact MRV Communications for more information. MRV Communications and the MRV Communications logo are trademarks of MRV Communications, Inc. Other trademarks are the property of their respective holders. MRV-OP-XFPCX4-031008 3020043-001 Rev. A1 Copyright ©2008 MRV Communications, Inc. All Rights Reserved.