RHD SPI Interface Cables
and Cable Adapters

RHD SPI Interface Cables

The RHD recording system uses a standard interface cable and connector scheme to transmit serial digital data and power over distances of several meters using the Serial Peripheral Interface (SPI) protocol.

The following RHD SPI cables are available from Intan Technologies:

  • RHD 3-ft (0.9 m) standard SPI cable (Part #C3203)
  • RHD 6-ft (1.8 m) standard SPI cable (Part #C3206)
  • RHD 1-ft (0.3 m) ultra thin SPI cable (Part #C3211)
  • RHD 3-ft (0.9 m) ultra thin SPI cable (Part #C3213)
  • RHD 6-ft (1.8 m) ultra thin SPI cable (Part #C3216)

Multiple cables may be daisy chained to span lengths of several meters (see table below).

Technical Specs
Standard SPI cable
Ultra thin SPI cable
connector type
Omnetics PZN-12 polarized nano
connector size
4.5 mm x 4.3 mm x 2.0 mm
color
blue
violet
cable mass
2.5 g/ft
8.2 g/m
1.2 g/ft
4.1 g/m
outer jacket material
0.013″ thermoplastic elastomer (TPE)
0.013″ silicone rubber
maximum cable length
(16ch or 32ch headstage)
33 ft (9.9 m)
33 ft (9.9 m)
maximum cable length
(2x32ch or 64ch headstage)
30 ft (9.0 m)
30 ft (9.0 m)
maximum cable length
(2x64ch or 128ch headstage)
21 ft (6.3 m)
12 ft (3.6 m)
RHD SPI interface cables are available in a standard version (blue cable, diameter 2.9 mm) and an ultra thin version (violet cable, diameter 1.9 mm).
Each RHD SPI interface cable has self-aligning 12-pin polarized nano connectors on each end. The wiring pattern supports daisy-chaining multiple cables in series to span lengths of several meters.

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