Product manual
62 Barracuda 4LP Product Manual, Rev. D
Table 13a: Model “N,” single ended I/O, 50 conductor, signal/contact assignments
*CAUTION: Connector contact 25 must not be connected to ground at the host end or the drive end of the
cable. If the I/O cable should accidently be plugged in upside down, terminator power on pin 26
will be shorted to ground.
Notes [ ]: See page following Table 13e.
Signal
name [1]
Connector
contact
number [12]
Cable
conductor
number [11]
Connector
contact
number [12]
Signal
name [1]
GND 1 1 2 2 –DB0
GND 3 3 4 4 –DB1
GND 5 5 6 6 –DB2
GND 7 7 8 8 –DB3
GND 9 9 10 10 –DB4
GND11111212–DB5
GND13131414–DB6
GND15151616–DB7
GND17171818–DBP
GND19192020GND
GND21212222GND
GND23232424GND
NC [10] 25* 25 26 26 TERMPWR
GND27272828GND
GND29293030GND
GND31313232–ATN
GND33333434GND
GND35353636–BSY
GND37373838–ACK
GND39394040–RST
GND41414242–MSG
GND43434444–SEL
GND45454646–C/D
GND47474848–REQ
GND49495050–I/O