GEI-100268
5
Table 2. Plug P2 Pin Assignments, Row B
Pin No.
Nomenclature
Definition
B1
P5
+5 digital power source
B2
XD1
Data bus (D1)
B3
XD5
Data bus (D5)
B4
XD9
Data bus (D9)
B5
XD13
Data bus (D13)
B6
XD17
Data bus (D17)
B7
XD21
Data bus (D21)
B8
DCOM
+5 digital power return (common)
B9
XD25
Data bus (D25)
B10
XD29
Data bus (D29)
B11
XA1
Address bus (A1)
B12
XA5
Address bus (A5)
B13
XA9
Address bus (A9)
B14
DCOM
+5 digital power return (common)
B15
XA13
Address bus (A13)
B16
0ACL_1
0 = route GR1 to ACL
B17, B25-B27
NC
Not Connected
B18
DCOM
+5 digital power return (common)
B19
LDPLS1
1 = update I/O
B20
LDPLS2
1 = update I/O
B21
ACOM
+/- 15Vdc power return (common)
B22
HIFI_1A
Hi-Fidelity input, 1 pair
B23
HIFI_2B
Hi-Fidelity input, 2 pair
B24
DCOM
+5 digital power return (common)
B28
GR_2RX
ISBus (1,2) TTL level signals to/from DSPX board
B29
K_RX_ACL
Keyboard TTL level RS232 signals to/from ACL_ board
B30
K_RX_TTL
Keyboard TTL level RS232 signals to/from DSPX board
B31
PWM2
24 kHz, 10-bit duty-cycle PWM meter driver signal
B32
P5
+5 digital power source