4
GEI-100268
Table 1. Plug P2 Pin Assignments, Row A
Pin No.
Nomenclature
Definition
A1
P5
+5 digital power source (common)
A2
XD0
Data bus (D0)
A3
XD4
Data bus (D4)
A4
DCOM
+5 digital power return (common)
A5
XD8
Data bus (D8)
A6
XD12
Data bus (D12)
A7
XD16
Data bus (D16)
A8
XD20
Data bus (D20)
A9
XD24
Data bus (D24)
A10
XD28
Data bus (D28)
A11
XA0
Address bus (A0)
A12
DCOM
+5 digital power return (common)
A13
XA4
Address bus (A4)
A14
XA8
Address bus (A8)
A15
XA12
Address bus (A12)
A16, A18, A19,
A26
NC
Not Connected
A17
0XCSIO
0 = BAIA selected
A20
DCOM
+5 digital power return (common)
A21
0RESET
0 = reset BAIA
A22
P15
Non-is15, -15 Vdc power source
A23
HIFI_2A
Hi-Fidelity input, 2 pair
A24
HIFI_4A
Hi-Fidelity input, 4 pair
A25
HIFI_4B
Hi-Fidelity input, 4 pair
A27
K_TX_ACL
Keyboard TTL level RS232 signals to/from ACL
A28
DCOM
+5 digital power return (common)
A29
GR_2TX
ISBus (1,2) TTL level signals to/from DSPX
A30
K_TX_TTL
Keyboard TTL level RS232 signals to/from DSPX
A31
PWM1
24 kHz, 10-bit duty-cycle PWM meter driver signal
A32
P5
+5 digital power source
