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1 TECHNICAL SUMMARY
1.1
BRIEF DESCRIPTION
1.1.1
OVERVIEW
The OSD2139 is an unmanaged 2-port media converter supplied in standaline module format with 2
duplex data channels and 2 duplex contact closure channels. It has one 10/100/1000Base-T RJ45
copper port and one SFP port which can be specified by the user for 100Base-Fx/1000Base-Lx/Sx fiber
mode or as 10/100/1000Base-T RJ45 copper.
The unit will operate on either singlemode or multimode fiber. Operation over at least 50km of
singlemode fiber is possible by use of the appropriate SFP optical devices. It normally requires two
fibers but is optionally available for one fiber operation.
A major benefit of the OSD2139 is its reliable and consistent performance over the -20°C to +75°C
temperature range that allows it to be used in uncontrolled environments such as roadside cabinets,
mine sites and factories.
1.1.2
APPLICATIONS
▲ Any network utilising a mix of copper
and fiber
▲ Industrial IP communications
1.1.3
FEATURES AND BENEFITS
▲ Complies with IEEE802.3i/802.3u/
802.3ab 10/100/1000Base-T,
IEEE802.3u 100Base-Fx, IEEE802.3z
1000Base-Lx/Sx standards.
▲ Has a total of two ports: one fixed
copper port for 10/100/1000Base-T
and one SFP port which may be either
copper or fiber
▲ Supports network traffic of
1000Mbps
▲ Can be used with either singlemode
or multimode fiber over a variety of
link budgets
▲ Available for operation over 1 or 2
fibers
PAGE 4
OSD2139 OPERATOR MANUAL
OPTICAL SYSTEMS DESIGN
▲ Gigabit backbone networks
▲ IP cameras with tamper alarms and/or
washer/wiper controls
▲ Automatic TP setup: no need for
crossover cables
▲ Auto TP sensing of half or full duplex
operation in 10/100 mode
▲ Powered by non critical 12V
24V
supplies
AC
▲ Operates over the temperature range
of -20°C to +75°C
▲ Duplex transmission of two alarm
signals and two data signals
▲ One data signal can be RS422 or 2-
wire /4-wire RS485 and the other is
RS232
▲ SFP module sold separately
DOC ID: 10118201
or
DC
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