V23816-N1018-C342/L342(*)
3.3 V, 4-Line LVDS Parallel 2.5 GBd Transponder
OC-48 SONET/SDH Long Reach (LR-2) up to 80 km
Prelim inary
Dimensions in mm [inches]
V23816-N1018-L342
A
1) First protopypes will have 76.2 mm [3.0 inch] max. length.
All 4 mounting holes will be on the same position for drop
in solution. Reference datum is
A
• Internal High Voltage APD Bias
• Laser bias alarm and m onitor outputs
• RX power m onitor output
• Loopback operating m odes
• 155.520 MHz LVPECL input TX reference clock
• 2.8 W Typical Power Consum ption
• TX Fault output indicator
• APD Bias Voltage Monitor Output
ABSOLUTE MAXIMUM RATINGS
Operation beyond these ratings may cause permanent damage
to the transponder.
Supply Voltage (V ).................................................... 0 to 4.0 V
CC
FEATURES
• Com pliant w ith existing standards
• Com pact integrated transponder unit w ith
– DFB laser diode transm itter w ith optoisolator
– InGaAs APD photodiode receiver
LVDS Input Levels.......................................................... 0 to V
CC
LVPECL Input Level ...................................................... 0 to V
CC
LVTTL Input Level ........................................................ 0 to 5.5 V
LVDS Output Source Current............................................. 5 mA
LVPECL Output Source Current....................................... 24 mA
LVTTL Output Source Current ........................................... 1 mA
– Pigtailed optical connections
o
Operating Ambient Temperature ................................ 0 to 70 C
– Integrated Mux, Dem ux and Clock Recovery
• Class 1 FDA and IEC laser safety com pliant
• Single +3.3 V power supply
Storage Ambient Temperature ............................... –40 to 85 °C
Static Discharge Voltage, All Pins ................................... 1000 V
• OC-48 optical transm it and receive at 2488.32 Mbit/s
• 4-line LVDS differential interface at 622.08 Mbit/s
• External control for laser shutoff
• Loss of optical signal and Loss of synch indicators (RX)
• Loss of lock indicator for TX high speed clock
(*) Ordering Inform ation
Connector type
Fiber length
24.1 ±0.8 “
24.1 ±0.8 “
Part num ber
SC
LC
V23816-N1018-C342
V23816-N1018-L342
Fiber Optics
NOVEMBER 2001