Ethernet Connector
The CFSound-IV can be connected as an Ethernet device. A standard RJ-45 connector is provided and it
can be connected to a network with a standard Ethernet cable – either straight or crossover, detection and
correction is automatic via HP Auto MDI/MDI-X configuration. The network speed can be either 10 or 100
mbps with auto link negotiation. A link activity indicator is provided on the ETHERNET jack.
ACS CFSound-IV
PC
ETHERNET
ETHERNET
Patch
Cable
Hub / Switch
Patch
Cable
Network
Optional
Power
Injection
Patch
Cable
The CFSound-IV supports a configurable MAC address and configurable static or dynamic IP address
and IP mask. A variety of protocols are supported with configurable port numbers.
Micro USB Connector
The CFSound-IV can be connected as a USB peripheral device. A standard micro USB B receptacle
connector is provided and it can be connected to a PC using a standard USB-A to micro USB B cable. The
CFSound-IV can be configured to function as either a USB flash drive or USB serial device. When
configured as a flash drive (the default) the CFSound-IV SD card appears as a USB drive on the host PC and
supports file transfers. When configured as a serial device the CFSound-IV sends and receives serial data as if
connected to the RS-232 port.
Pin #
Signal
1
VBUS
2
D-
3
D+
4
ID
5
GND
LINE OUT Connector
The volume controlled sound is also available at an audio line level (1V RMS @ 0db volume, 47K
ohms) at the 3.5mm Stereo LINE OUT jack on the rear of the CFSound-IV.
Pin #
Signal
TIP
Left
RING
Right
SLEEVE
Ground
LINE IN Connector
Line level audio appearing at the 3.5mm Stereo LINE IN jack (1V RMS @ 0db volume, 47K ohms) on
the rear of the CFSound-IV may be enabled to be amplified at the current volume setting and presented to the
Speakers/Line Outputs whenever another sound is not playing. See the
CFSOUND.INI
section below.
