Data Sheet
September 1999
1241/1243/1245-Type Uncooled Laser Transmitter
Features
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Backward compatible with 1227/1229/1238-Type
Laser Transmitters
Space-saving, self-contained, 20-pin DIP
Uses field-proven, reliable InGaAsP MQW laser
Requires single 5 V power supply
SONET/SDH compatible
Uncooled laser with automatic optical power con-
trol for constant output power over case tempera-
ture range
No thermoelectric cooler required; reduces size
and power consumption
Uses low-power dissipation CMOS technology
Qualified to meet the intent of Bellcore reliability
practices
Operates over data rates to 1062.5 Mbits/s (NRZ)
Operation at 1.3 碌m or 1.55 碌m wavelength
Typical average output power options of 鈥?1 dBm,
鈥? dBm, 鈥? dBm, 鈥? dBm, and 0 dBm
ECL compatible, differential inputs
Operating temperature range of 鈥?0 擄C to +85 擄C
Transmitter-disable option
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Offering multiple output power options and SONET/SDH com-
patibility, the 1241/1243-Type Uncooled Laser Transmitter is
manufactured in a 20-pin, plastic DIP with a single-mode fiber
pigtail.
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Applications
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Telecommunications
鈥?Inter- and intraoffice SONET/ITU-T SDH
鈥?Subscriber loop
鈥?Metropolitan area networks
High-speed data communications
鈥?Fibre channel (FC-0)
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