Measurement Computing USB-2627 - Manual (Page 15)

USB-2627 User's Guide Functional Details
15
USB-2627 components
These USB-2627 components are shown in Figure 8.
 68-pin SCSI connector (P1)
 40-pin header connectors (J2, J4, and J5)
 USB connector
 LED indicators (USB and Power)
1 40-pin connector J4 5 40-pin connector J2
2 LEDs 6 40-pin connector J5
3 USB connector 7 Pull-up/down jumpers (W5. W6, W7)
4 68-pin SCSI connector P1
Figure 8. USB-2627 components
68-pin SCSI connector P1
The 68-pin SCSI connector provides the following connections:
 16 single-ended analog inputs (ACH0 to ACH15)
 Four analog outputs (XDAC0 to XDAC3)
 24 digital I/O (A0 to A7, B0 to B7, C0 to C7)
 Four counter inputs (CNT0 to CNT3)
 Two timer outputs (TMR0 to TMR1)
 External AI scan clock input (XAPCR)
 External AO scan clock input (XDPCR)
 External digital trigger input (TTLTRG)
 Power output (+VO)
 Analog ground and digital ground (AGND and GND)
Refer to Figure 2 on page 10 for the SCSI connector pinout.