Specifications

EPC-33/34 Hardware Reference
Page 48
4 4
COM2/LPT1 Connector (RS-232)
RS-232 COM2: / LPT1: (CN5)
17x2, 0.100" [2.54 mm] pitch header
1 COM2: DCD 2 COM2: DSR
3 COM2: RXD 4 COM2: RTS
5 COM2: TXD 6 COM2: CTS
7 COM2: DTR 8 COM2: RI
9 GND 10 LPT1: ~STB
11 LPT1: ~AUFD 12 LPT1: D0
13 LPT1: ~ERROR 14 LPT1: D1
15 LPT1: ~INIT 16 LPT1: D2
17 LPT1: ~SLIN 18 LPT1: D3
19 GND 20 LPT1: D4
21 GND 22 LPT1: D5
23 GND 24 LPT1: D6
25 GND 26 LPT1: D7
27 GND 28 LPT1: ~ACK
29 GND 30 LPT1: BUSY
31 GND 32 LPT1: PE
33 GND 34 LPT1: SLCT
Table 4-10. COM2/LPT Connector Pinout (RS-232).
CN5
Top of board
Pin 1