Hach HIAC ROC, User Manual, Page: 10 / 80

Table 2 Female connector wires—DB15 cable (continued)
Pin number Color Function
5 Gray RS232-RXD (receive data)
6 Pink RS232-TXD (transmit data)
7 Blue —
8 Red —
9 Orange RS232-GND (signal return)
10 Tan RS485-A (signal A of differential serial driver pair)
11 Black RS485-B (signal B of differential serial driver pair)
12 Violet RS485-SGND (shield ground connection)
13 — —
14 — —
15 — —
Table 3 Male connector wires—DB15 to DB9 cable
Pin number Color Function
1 Red1 Power input (9 to 33 VDC)
2 Black1 Power ground (return)
3 White1 Alarm driver
4 — —
5 Red2 RS232-RXD (receive data)
6 Black2 RS232-TXD (transmit data)
7 — —
8 — —
9 White2 RS232-GND (signal return)
10 — —
11 — —
12 — —
13 — —
14 — —
15 — —
Table 4 Female connector wires—DB15 to DB9 cable
Pin number Color Function
1 — —
2 Black2 RS232-TXD (transmit data)
3 Red2 RS232-RXD (receive data)
4 — —
10 English