GEI-100268
7
Table 4. Plug P2 Pin Assignments, Row D
Pin No.
Nomenclature
Definition
D1
P5
+5 digital power source
D2
XD3
Data bus (D3)
D3
XD7
Data bus (D7)
D4
DCOM
+5 digital power return (common)
D5
XD11
Data bus (D11)
D6
XD15
Data bus (D15)
D7
XD19
Data bus (D019)
D8
XD23
Data bus (D23)
D9
XD27
Data bus (D27)
D10
XD31
Data bus (D31)
D11
XA3
Address bus (A3)
D12
DCOM
+5 digital power return (common)
D13
XA7
Address bus (A7)
D14
XA11
Address bus (A11)
D15
0XWR
0 = write data to BAIA board request
D16
0XBUSY
Busy
D17
INT_IO
I/O interrupt
D18 D21
NC
Not Connected
D19
BRD_ID
Serial board identification line
D20
DCOM
+5 digital power return (common)
D22
N15
Non-is15, -15Vdc power source
D23
HIFI_3B
Hi-Fidelity input, 3 pair
D24
HIFI_5A
Hi-Fidelity input, 5 pair
D25
HIFI_5B
Hi-Fidelity input, 5 pair
D26
T_RX_ACL
Keyboard TTL level RS232 signals to/from ACL_ board
D27
GR_1TX
ISBus (1,2) TTL level signals to/from DSPX board
D28
DCOM
+5 digital power return (common)
D29
T_RX_TTL
Tool TTL level RS232 signals to/from DSPX board
D30
T_TXEN_TTL
Tool TTL level RS232 signals to/from DSPX board
D31
T_TXEN_ACL
Keyboard TTL level RS232 signals to/from ACL_ board
D32
P5
+5 digital power source