Datasheet

ManualsBrandsDigitus ManualsNetworkingDN-8107

Features

n Compliant with IEEE802.3z Gigabit Ethernet

Standard

n Compliant with Fiber Channel 100-SM-LC-L

standard

n Industry standard small form pluggable (SFP)

package

n Simplex LC connector

n Differential LVPECL inputs and outputs

n Single power supply 3.3V

n TTL signal detect indicator

n Hot Pluggable

n Class 1 laser product complies with EN 60825-1

Ordering Information

PART NUMBER TX/RX INPUT/OUTP

SIGNAL

DETECT

TEMPERATURE

LD Type Distance

LS38-C3S-TC-N-B3

1310/1550 AC/AC TTL

C to 70

1310 FP 10km

LS38-C3S-TI-N-B3

1310/1550 AC/AC TTL

-40

C to 85

1310 FP 10km

Absolute Maximum Ratings

PARAMETER SYMBO

MIN MAX UNITS NOTE

Storage Temperature

-40

Supply Voltage

Vcc

-0.5

4.0 V

Input Voltage

-0.5

Vcc

Output Current

--- 50 mA

Operating Current

--- 400 mA

Summary of content (9 pages)

PAGE 1
Features n Compliant with IEEE802.3z Gigabit Ethernet Standard n Compliant with Fiber Channel 100-SM-LC-L standard n Industry standard small form pluggable (SFP) package n Simplex LC connector n Differential LVPECL inputs and outputs n Single power supply 3.
PAGE 2
Recommended Operating Conditions PARAMETER SYMBOL MIN 0 -40 MAX 70 85 UNITS Case Operating Temperature TC Supply Voltage Vcc 3.1 3.5 V Supply Current ITX + IRX --- 250 mA °C NOTE LS38-C3S-TC-N LS38-C3S-TI-N Transmitter Electro-optical Characteristics Vcc = 3.1 V to 3.5 V, TC = 0 °C to 70 °C (-40 °C to 85 °C) PARAMETER Output Optical Power 9/125 mm fiber SYMBOL MIN TYP.
PAGE 3
Receiver Electro-optical Characteristics Vcc = 3.1 V to 3.5 V, TC = 0 °C to 70 °C PARAMETER SYMBOL MIN TYP.
PAGE 4
Block Diagram of Transceiver DATA DATA/ LD Drive & Fault Sense LD TX_DISABLE TX_FAULT PRE. AMPLIFIER IC (0) (1) PD WDM Filter MOD_DEF (2) OPTICAL DATA DATA/ SUB-ASSEMBLIES POST-Amp & LOS Detect RX_LOS Transmitter and Receiver Optical Sub-assembly Section A 1310 nm InGaAsP laser and an InGaAs PIN photodiode integrate with an WDM filter to form a bi-directional single fiber optical subassembly (OSA).
PAGE 5
Dimensions DIMENSIONS ARE IN MILLIMETERS ALL DIMENSIONS ARE 0.
PAGE 6
SFP host board mechanical layout X Y S XY A 1 LX A S 1 PIN1 LXA S LEGEND A SB S PIN1 1.PADS AND VIAS ARE CHASSIS GROUND 2.THROUGH HOLES, PLATING OPTIONAL 3.HATCHED AREA DENOTES COMPONENT AND TRACE KEEPOUT(EXCEPT CHASSIS GROUND) 4.
PAGE 7
Assembly drawing 1.7¡ Ó 0.9 3.5¡ Ó 0 .3 41.73¡ Ó 0.5 PCB 15.25¡ Ó 0.1 10.4¡ Ó 0.1 11.0 REF. 9.8 MAX CAGE ASSEMBLY 0.4¡ Ó 0.1 BELOW PCB 15.0 MAX BEZEL 16.25¡ Ó 0 .
PAGE 8
Pin Assignment Pin-Out Pin PIN 11 PIN 20 PIN 10 PIN 1 Signal Name Description 1 2 TGND TX_FAULT Transmit Ground Transmit Fault 3 4 5 TX_DISABLE MOD_DEF (2) Transmit Disable SDA Serial Data Signal SCL Serial Clock Signal 6 7 8 9 MOD_DEF (1) MOD_DEF (0) RATE SELECT RX_LOS R GND 10 11 R GND R GND Receiver Ground Receiver Ground 12 13 RXRX+ R GND VCCR VCCT TGND Receive Data Bar, Differential PECL, ac coupled Receive Data, Differential PECL, ac coupled 14 15 16 17 18 19 20 TX+ TXTGND TTL
PAGE 9
Eye Safety Mark The LS3 series singlemode transceiver is a class 1 laser product. It complies with EN 60825-1 and FDA 21 CFR 1040.10 and 1040.11. In order to meet laser safety requirements the transceiver shall be operated within the Absolute Maximum Ratings. Required Mark Class 1 Laser Product Complies with 21 CFR 1040.10 and 1040.11 Caution All adjustments have been done at the factory before the shipment of the devices. No maintenance and user serviceable part is required.