User Manual, PCIe x4 Expansion Cable Adapter
Contents
1. ONE STOP User Manual PCle x4 Expansion Cable Adapter OSS ECA x4 Ei J sz DO Table of Contents 1 Components 1 a Expansion cable adapter 1 b Specifications 2 Installation Instructions 2 a Connecting PCle cable 2 b Removing PCle cable 3 Technical Information 3 a Switch settings 3 b Block diagram 3 c PCI Express x4 Cable Connector 4 Ordering Information One Stop Systems Inc Specifications subject to change without notice OSS ECA x4 Page 2 1 Components 1 a Description The expansion cable adapter is a free standing adapter board that transfers the PCle bus from a x4 cable connector to a x4 link slot with a x16 connector PCle x16 Mechanical slot Connection PCle x4 electrically n Es Bo el el E shd u av jet gt s he Bt toi S e TIS HAMAS Lal PCle x4 Cable Connector 1 b Specifications Temperature Operating temp 0 to 50 C 32 to 122 ambient e Short term 30 mins operating temp 5 C to 55 C ambient e Storage temp 40 C to 70 C Humidity Operating humidity 10 90 40 C non condensing e Storage humidity 0 95 40 C non condensing 1 Altitude e Operating altitude 6000 ft at operating temperature 15 000 ft at operated temperature e Storage altitude 40 000 ft Vibration Shock Operating vibration 5 17 Hz 0 5 double amplitude displacement 7 2000Hz 1 5g acceleration e Sto2. 0 45db 1 25 GHz 1 0 1 55db 1 25 GHz One Stop Systems Inc OSS ECA x4 Specifications subject to change without notice Page 5 1 1 0 5 5db 1 25 GHz 3 6 Block Diagram Clock Butte x4 PCle Tx PCle Signal x4 PCle Tx Redriver x4 PCle Rx PCle Signal x4 PCle Rx Redriver mg 3 3v LEDs Cable Present Pwr i Downstream LEDs Upstream x4 PCI Express PCle lane status x4 PCI Express Cable Connector Card Edge Connector Clock direction shown in Host configuration One Stop Systems Inc OSS ECA x4 Specifications subject to change without notice Page 6 3 c Connectors PCle x4 Card Edge Connector e The pins are numbered as shown with side A on the top of the centerline on the solder side of the board and side B on the bottom of the centerline on the component side of the board e The PCle interface pins PETpx PETnx PERpx and PERnx are named with the following convention PE stands for PCle kk 77 high speed T for Transmitter R for Receiver p for positive and n for negative e Note that adjacent differential pairs are separated by two ground pins to manage the connector crosstalk PCI Express x4 Cable Connector The PCI Express x4 connector is a 38 position edge card connector with metallic shell as defined in the PCI Express External Cabling Rev 1 0 Molex part number 75586 0010 or equivalent On the x4 connector the pins are recessed far back
3. inside the EMI Housing Guide metallic shell and are not easily accessed PCI Express x4 Connector Pin Assignment Row B Pin 19 Row A Pin 1 Pin Cableside1 CabieSide2 Ping Drain Wires A1 A4 A7 A10 A13 GND A1 A4 A7 A10 A13 A16 B1 B4 B7 B10 A16 B1 B4 B7 B10 Differential Pair PERp0 Differential Pair PERn0 PERp1 Differential Pair PERn1 PETp3 Differential Pair CREFCLK Differential Pair CREFCLK One Stop Systems Inc OSS ECA x4 Specifications subject to change without notice Page 7 PETp2 Differential Pair Differential Pair Differential Pair Differential Pair Differential Pair One Stop Systems Inc OSS ECA x4 Specifications subject to change without notice Page 8 4 Ordering Information OSS ECA x4 Related products KIT EXP 2000 The expansion adapter kit with PCle x4 Gen 1 host interface board HIB2 PCle x4 expansion cable adapter ECA with x16 connector and PCle x4 cable One Stop Systems Inc OSS ECA x4 Rev A Page 9
4. rage transport vibration 2g 5 500 Hz e Operating shock 20g 11 msec e Storage transport shock 30g 11 msec One Stop Systems Inc OSS ECA x4 Specifications subject to change without notice Page 3 2 Installation Instructions 2 a Connecting PCle cable 1 To install the PCle cable Insert into the expansion link board firmly or until you feel it lock into place 2 b Removing PCle cable 1 To remove PCle cable pull back on green thumb tab to release metal pins and gently separate One Stop Systems Inc OSS ECA x4 Specifications subject to change without notice Page 4 3 Technical Information 3 a Switches settings The OSS ECA x4 contains two x8 micro switches that allow configuration of the Pericom PI2EQX4401D s equalization amplification and de emphasis circuitry The two switches SW1 and SW2 are located above the Pericom devices on the front side of the PCB 123456 7 8 4 ON low 0 Up high 1 Down SW1 and SW2 Switch Location and Orientation Switch SW1 Settings Switch SW2 Settings gamat eta Comments nar Up Disable all Lanes ENABLE Down Down Namal operation Rx Equalizer See Table 1 Tx De Em hasis PR RX SEL4 See Table 2 meja TX SE bom See ThaRles2 RX_ ae Comments Not connected Tx Equalizer Selection See Table 1 Tx Amplifier Selection See Table 2 Ts De Emghasis HER TT 0 1 0 25db 1 25 GHz 0 1 1 35db 1 25 GHz 1 o
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