ADLINK ACL-8216 - Manual (Page 27)

Installation • 19
AIn: Analog Input Channel n ( single-ended)
AIHn: Analog High Input Channel n ( differential)
AILn: Analog Low Input Channel n ( differential)
ExtRef n: External Reference Voltage for D/A CH n
AOn: Analog Output Channel n
ExtCLK: External Clock Input
ExtTrig: External Trigger Signal
CLK: Clock input for 8254 Counter 0
GATE: Gate input for 8254 Counter 1 & 2
COUT n: Signal output of Counter n
V.ERF: Voltage Reference
A.GND: Analog Ground
GND: Ground