Connect Tech Xtreme Xtreme/PSU-UC User Manual
Revision 0.00
13
Configuration Jumpers
J1: Charge Voltage Control Jumper
Description
Installed
Uninstalled
J1
Capacitor Voltage
Charge Voltage
AND
Ext.
Connector voltage set to +24V
Charge Voltage
AND
Ext. Connector
voltage set to +16V
*** WARNING: DO NOT INSTALL OR UNINSTALL THIS JUMPER WHILE MAIN INPUT
POWER IS CONNECTED / POWERED ON. ***
For applications using the on-board ultracapacitors, installing the jumper (setting the Charge Voltage to
+24V) will maximize the hold-up time.
RS-232 Connector Pinout (P4)
Pin No.
Description
Direction
1
NC
N/A
2
NC
N/A
3
RX – RS-232 Receive
Input
4
RTS – RS-232 RTS
Output
5
TX – RS-232 Transmit
Output
6
CTS – RS-232 CTS
Input
7
NC
N/A
8
NC
N/A
9
GND – Signal Ground
N/A
10
GND – Signal Ground
N/A
