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