
USB-1602HS-2AO User's Guide Installing the USB-1602HS-2AO
12
BNC connectors
The USB-1602HS-2AO has four BNC connectors used to connect the analog input signals, external pacer clock
input, and external digital trigger input.
Figure 1. BNC connectors
The signal names for the BNC connectors are listed below:
External digital trigger input
External pacer clock input
EXT TRG is equivalent to the DIG TRIG signal on the SCSI connector. EXT CLK is equivalent to the XAPCR
signal on the SCSI connector. Connect your signals using a standard BNC cable.
68-pin SCSI connector
The signals that are available on the 68-pin SCSI connector are listed below.
68-pin SCSI connector pin out
(external pacer clock output) XDPCR
(external pacer clock input) XAPCR
VCAL (reserved for calibration)
Connect your signals using a CA-68-3R cable, or CA-68-3S or CA-68-6S shielded cable.
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