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Upstream Triggered Spectrum Capture support

Last Updated: June 30, 2026

This table compares the supported pseudowire protocol, Upstream Spectrum Capture mode, and concurrency limits per CMTS or DAA device. Information is organized by device type and then protocol.
Hardware	Pseudowire Protocol	Capture	Concurrency
CommScope E6000 CER CMTS	Static and Dynamic^¹	Freerun^² IdleSid^³	One per card.
CommScope RD3 Series RD2322 RMD^⁴	Static	Freerun IdleSid	One per Upstream RF port.
CommScope RD3 Series RD2322 RPD	Static and Dynamic	Freerun IdleSid	One per RPD.
CommScope RD1 Series Remote PHY Device	Static and Dynamic	Freerun IdleSid	One per RPD.
CommScope RD4 Series RD1424-M4 RPD	Static and Dynamic	Freerun IdleSid	One per RPD.
CASA C100G	Dynamic (TFTP)	Freerun IdleSid	UTSC defaults to 4, with a maximum of 8 per CMTS; 1 per physical port; no limit per card.
Cisco cBR-8^⁵	Dynamic (TFTP)	Freerun	Maximum of 8 captures on upstream ports per line card; maximum of 20 captures per router for RPHY.
Harmonic Pebble RPD	Static	Freerun	One per RPD.

For any device not listed above, contact CommScope Technical Support for information.