Irig In/Out [1204-05, -27] - Spectracom SecureSync User Reference Manual

5.4 Time Code Option Cards
impedance. A value of 200 results in an output amplitude of about 9V
ance.
Offset : Provides the ability to account for IRIG cable delays or other latencies in the IRIG
input. The Offset value is entered and displayed in nanoseconds (ns). The available Offset
range is -500 to +500 ms.
For IRIG frequency and output specifications, see "IRIG Standards and Specifications" on
page 487.
5.4.1.6 IRIG Output: Status Window
To view the specifications of an IRIG Output , go to its Status window. For instructions, see:
"Viewing the Configuration of an Input or Output" on page 288.
The Web UI list entries for these option cards are: IRIG Out BNC, IRIG Out Fiber, IRIG Out RS-
485 .
Descriptions of the settings shown in the Status window can be found "IRIG Output: Edit Window"
on page 335 . For IRIG frequency and output specifications, see "IRIG Standards and Spe-
cifications" on page 487.
5.4.2

IRIG In/Out [1204-05, -27]

The IRIG Input/Output option card provides SecureSync with one IRIG input and two IRIG out-
puts. The IRIG input can be used as the primary SecureSync time and 1PPS reference input for
338
NOTE – These are nominal values only. Actual values will vary from unit to unit. To
adjust the level precisely, connect an oscilloscope to the output connector when
adjusting.
NOTE – SecureSync starts numbering I/O ports with 0 (only 1PPS and 10 MHz out-
puts start at 1, because of the built-in outputs).
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5 SecureSync User Reference Guide Rev. 18
into high imped-
p-p