User manual

PCM-3353 User Manual 70
15 TXD2 Out -3~-12V,
+3~+12V
16 CTS#2 In -3~-12V,
+3~+12V
17 DTR#2 I/O -3~-12V,
+3~+12V
18 RI#2 In -3~-12V,
+3~+12V
19 GND GND -
20 GND GND -
21 DCD#3 In -3~-12V,
+3~+12V
22 DSR#3 In -3~-12V,
+3~+12V
23 RXD3 In -3~-12V,
+3~+12V
24 RTS#3 I/O -3~-12V,
+3~+12V
25 TXD3 Out -3~-12V,
+3~+12V
26 CTS#3 In -3~-12V,
+3~+12V
27 DTR#3 I/O -3~-12V,
+3~+12V
28 RI#3 In -3~-12V,
+3~+12V
29 GND GND -
30 GND GND -
31 DCD#4 In -3~-12V,
+3~+12V
32 DSR#4 In -3~-12V,
+3~+12V
33 RXD4 In -3~-12V,
+3~+12V
34 RTS#4 I/O -3~-12V,
+3~+12V
35 TXD4 Out -3~-12V,
+3~+12V