Maple Systems PC419C - Manual (Page 36)

1010-1023, Rev 00 Page 24
Jumper Type: 6-pin header
Jumper Settings: See
549H
Table 3-3
Jumper Location: See
550H
Figure 3-1
Five jumpers configure pin 9 on the COM1, COM2, COM3 COM4 and COM5 connectors.
Pin 9 on these connectors can be set as either +5 V, +12 V or as the ring (RI) signal. The
COM1, COM2, COM3, COM4 and COM5 Pin 9 setting jumper selection options are
shown in
55 1H
Table 3-3.
Serial Port
Short 1 – 3 Short 2 - 4 Short
3 – 5
Short
4 – 6 Default Default
J_COM_V1 COM1 RI signal +5 V Pin 9 power +12 V
J_COM_V2 COM2 RI signal +5 V Pin 9 power +12 V
J_COM_V3 COM3 RI signal +5 V Pin 9 power +12 V
J_COM_V4 COM4 RI signal +5 V Pin 9 power +12 V
J_COM_V5 COM5 RI signal +5 V Pin 9 power +12 V
Table 3-3: COM1 to COM5 Pin 9 Setting Jumper Settings
The COM1 to COM5 Pin 9 setting jumper locations are shown in
5 52H
Figure 3-1 below.