Accuphase DP-77 - Digital Input;Output Board; HPC Coaxial Input Board; HPC Optical Input;Output Board

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③DigitalInput/OutputBoard DIO-OC1
This board provides two sets of coaxial and optical connectors for input/output.
"IN" connector ⇔ DIGITAL OUT on digital component
"OUT" connector ⇔ DIGITAL IN on digital component
COAXIAL: for 75-ohm coaxial cable
OPTICAL: for Toslink optical fiber cable
Guaranteed specifications, standards
Input format : EIAJ CP-1201 standard format
Digital input/outputs : COAXIAL 0.5 Vp-p, 75 ohms
OPTICAL −27 to −15 dBm (input)
−21 to −15 dBm (output)
②HPCCoaxialInputBoard DI-BNC1
Serves for connection of a 75-ohm coaxial cable with BNC connectors.
Integrated optoisolator provides total separation of input and waveform shaping circuits.
Guaranteed specifications, standards
Input format : EIAJ CP-1201 standard format
Digital input : 0.5 Vp-p, 75 ohms
Connections
④HPCOpticalInput/OutputBoard DIO-ST1
Provides a set of HPC optical inputs and outputs for connection using an ST type
optical link.
An integrated ultra high-speed link supports a transfer rate of 150 Mbps.
"IN" connector ⇔ DIGITAL OUT on digital component
"OUT" connector ⇔ DIGITAL IN on digital component
＊ST is a registered trademark of AT&T.
Guaranteed specifications, standards
Format : EIAJ CP-1201 standard format
Connector type : ST
Input level : Optical input − 30 to − 10 dBm
Output level : Optical output − 19 to − 14 dBm
Connections