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TimeSource 3100 39
Engineering and Ordering
097-72020-01 Issue 9: November 2003
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RJ-422–to–RJ-232 TOD Converter
If using time-of-day (TOD), and the device receiving the time code accepts an RS-232
signal instead of an RS-422 signal (for example, a Cisco router), an RJ-422-to-RJ-232 TOD
Converter Kit is required (ordered separately, part number 093-72000-98).
The RJ-422-to-RJ-232 TOD Converter Kit consists of a mounting plate with a female RJ-45
connector, a female DB-25 connector, a TOD converter, and two screws.
Install the converter anywhere (for example, on unused space on a rack) within 305 cable
meters of the TimeSource 3100 shelf, and within 15 cable meters of the device receiving the
time code.
The user must supply two cables. One cable is a Category 5 four-pair RS-422 cable, 305
meter maximum, with RJ-45 connectors on each end. Route this cable between the
TimeSource 3100 Shelf and the converter.
The other cable is an RS-232 data communications cable, 15 meter maximum, with a 25-pin
male D-type connector and another connector determined by the device receiving the time
code. Route this cable between the converter and the device receiving the time code.
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