Digitus SFP Module BiDi SM/LC
Contents
1. m 0 Els ILE 8 4 m ind DIMENSIONS ARE IN MILLIMETERS ALL DIMENSIONS ARE 0 2mm UNLESS OTHERWISE SPECIFIED DIGITUS MS SFP host board mechanical layout X 4 34 50 10 91 05 0 01 10 00 5 20 85 0 05 o1 OXY e g1 DX A 9 jl PCB 3 68 pei 16 25 MIN PITCH 11 08 8 58 5 68 16 2 5REF 14 25 0 11 93 2 00X11 9 00 95 0 05 S 26 80 _ 41 30 42 30 5 00 3 20 19 20 20X0 5 0 03 Ze 9 PINT M 0 cm i a i UE pP Hu elele ale _ 20040005 2 1 55 0 05 AGB 601 DIA SB DETAIL 1 Unit mm LEGEND2. Features B Compliant with IEEE802 3z Gigabit Ethernet Standard B Compliant with Fiber Channel 100 SM LC L standard Industry standard small form pluggable SFP package oimplex LC connector Differential LVPECL inputs and outputs Single power supply 3 3V TTL signal detect indicator Hot Pluggable Class 1 laser product complies with EN 60825 1 Ordering Information TX RX INPUT OUTPUT SIGNAL TEMPERATURE LD Type DETECT 1550 1310 AC AC TTL 0 C to70 C 1550 DEB 1550 1310 AC AC TTL 40 C 85 1550 DFB DIGITUS Recommended Operating Conditions Transmitter Electro optical Characteristics Vcc 3 1 V to 3 5 V Tc 0 C to 70 C 40 C to 85 C PARAMETER SYMBOL MIN Output Optical Power NE Pout Extinction Ratio A MAX UNITS NOTE o LS48 C3S TC N LS48 C3S TI N V 300 NIO c Ic O O lt lt lt 5 x p do D C1 3 gt MAX 4 D Y UNITS NOTE Average 1570 nm zx 5 NO D 9 pa 3 9 B 5 2 m 2 UJ 3 5 3 Q UJ 3 1 O O E Spectral Width 20dB oide Mode Suppression Ratio SMSH Rise Fall Time 20 80 r C af Relative Intensity Noise TX DISABLE Asserted Differential Input Voltage 120 dB Hz 227 Compliant with IEEE802 3z 45 42 2 0 4 0 lt c x 15 12 ce lt L N
3. 1 PADS AND VIAS ARE CHASSIS GROUND 2 THROUGH HOLES PLATING OPTIONAL 3 HATCHED AREA DENOTES COMPONENT AND TRACE KEEPOUT EXCEPT CHASSIS GROUND 4 AREA DENOTES COMPONENT KEEPOUT TRACES ALLOWED DIMENSIONS ARE IN MILLIMETERS DIGITUS MS Assembly drawing PCB 3 51 0 3 41 73 0 5 15 0 MAX CAGE ASSEMBLY 9 8 MAX DIMENSIONS ARE IN MILLIMETERS Unit mm 231 BELOW y 5 25 0 10 4 1 16 25 0 1 MSA SPECIFIED BEZEL DIGITUS Pin Assignment Pin Out PIN 11 PIN 20 C Cmm Beim MOD DEF 0 TTL Low RATE SELECT Open Circuit RX LOS Receiver Loss of Signal TTL High open collector 27 DIGITUS Eye Safety Mark The LS4 series singlemode transceiver is a class 1 laser product It complies with EN 60825 1 and FDA Required Mark 21 CFR 1040 10 and 1040 11 In order to meet laser safety requirements the transceiver shall be operated Class 1 Laser Product within the Absolute Maximum Ratings Complies with 21 CFR 1040 10 and 1040 11 Caution All adjustments have be
4. DIGITUS Receiver Electro optical Characteristics Vcc 3 1 V to 3 5 V Tc 0 C to 70 C 40 C to 85 C MAX UNITS NOTE dBm BER lt 10 dBm BER lt 10 nm PARAMETER SYMBOL Optical Input Power maximum Pn Sensitivity lt NO Operating Center Wavelength Ac ptical Input Power maximum ptical Input Power minimum tivity ptical Return Loss ORL ptical isolation ata Output Rise Fall Time dB z1260 1360nm dB z1260 1360nm B B i D U Signal Detect Asserted Signal Detect Deasserted Differential Output Voltage VpiFF D 20 80 a Receiver Loss of Signal Output Voltage Low Receiver Loss of Signal Output RX 105 Q lt lt lt 0 e 2 4 i U NO Voltage High DIGITUS Block Diagram of Transceiver DATA LD Drive amp DATA J Fault Sense LD TX_DISABLE TX FAULT 0 AMPLIFIER 4 WDM Filter 1 4 MOD DEF 2 OPTICAL 4 DATA SUB ASSEMBLIES POST Amp 4 DATA amp LOS Detect RX LOS Transmitter and Receiver Optical Sub assembly Section A 1550 nm InGaAsP laser and an InGaAs PIN photodiode integrate with an WDM filter to form a bi directional single fiber optical suba
5. en done at the factory before the shipment of the devices No maintenance and user serviceable part is required Tampering with and modifying the performance of the device will result in voided product warranty Note All information contained in this document is subject to change without notice
6. ssembly OSA The laser of OSA is driven by a LD driver IC which converts differential input LVPECL logic signals into an analog laser driving current And The photodiode of OSA is connected to a circuit providing post amplification quantization and optical signal detection TX DISABLE The TX DISABLE signal is high TTL logic 1 to turn off the laser output Receive Loss RX LOS The RX LOS is high logic 1 when there is no incoming light from the companion transceiver This signal is normally used by the system for the diagnostic purpose The signal is operated in TTL level DIGITUS Dimensions i A WoC E li Lr nme rw i id 5 O IT oS SSS tS _ sy Y D 8 00 d
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