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SAM/DEC/008
INFO: CURTISSWRIGHTDS.COM
EMAIL: DS@CURTSSWRIGHT.COM
SAM/DEC/008
Ethernet based USB powered PCM decommutator
Features
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IRIG-106 Ch. 4 compliant PCM decommutator
•
USB 2.0 Type II compatible, no additional
power source required
•
1Mbps programming link to Acra KAM-500
systems over X-PROG
•
Choice of three PCM codes: BIØ-L, NRZ-L, or
RNRZ-L-15
•
Choice of RS-422 or TTL inputs
•
Accepts PCM streams up to 10Mbps (8Mbps
BIØ-L)
•
80 to 65,536 bits (including parity bits) per
minor frame
Applications
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PCM decoding
•
Programming legacy systems based on X-PROG
Overview
The SAM/DEC/008 decommutates IRIG-106 Ch.4 PCM streams and
provides a high-speed programming link for Acra KAM-500 systems. The
unit uses a single USB 2.0 connection in the ground station/programming
PC.
The PCM decommutator accepts either differential ended RS-422 inputs
or single ended TTL inputs. With BIØ-L codes only a single input is used.
For other line codes, an additional data clock (DCLK) line is required. Any
sync word up to 32 bits can be used to identify the start of a minor frame
(including mask and alternating patterns). The SAM/DEC/008 can be
configured with GS Works 8 or with custom APIs similar to those used
with the SAM/DEC/007.
The programming link can be used to program multiple Acra KAM-500s. A
bi-directional, differential ended (RS-422) pair of data lines (X-PROG) is
used to transmit or receive data at 1Mbps.
Figure 1: Programming link and differential ended PCM inputs
