Xantrex RS232-XHR, Operating Manual

Page: 24 / 64

Installation and Configuration
Initial Inspection
22
Operating Manual for RS-232 for XHR/XFR Series Power Supply
Figure 2.3 RS-232 Interface PCB
JUMPER SELECTION
J65 Local OVP control selection [closed] [default]. See page 32.
[open] Front Panel OVP Control.
J93 User TTL shutdown (S/D)
selection [1-2] User TTL S/D line active low. See page 35.
[2-3] [default] User TTL S/D line active high.
J103 Remote OVP Control Selection [closed] [default]. See page 32.
[open]
J216 RS-232 (J5) transmit and
receive pin selection [3-1] Receives on pin 3 (TXD) [default]
[4-6] Transmits on pin 2 (RXD) [default]
[3-5] Receive on pin 2
[4-2] Transmit on pin 3
J217 RS-232 flow control selection of
RTS/CTS (ready to send/clear
to send) or DTR/DSR (data
terminal ready/data set ready) [1-3][4-6] [default] RTS input on pin 7 (used with
CTS output on pin 8)
[3-5][4-6] DTR input on pin 4 (used with DSR
output on pin 6)
J218 RS-232 flow control selection of
RTS/CTS or DTR/DSR [2-4][[3-5] [default] CTS output on pin 8 (used
with RTS input on pin 7)
[2-4][1-3] DSR output on pin 6 (used with DTR
input on pin 4)
Note: All other jumpers are not user-selectable.
LED INDICATORS
CR89 Red Diagnostic LED Bus error or soft restart on Slave circuitry.
CR166 Red Diagnostic LED Soft restart on Master circuitry.
CR167 Green Diagnostic LED Bus error on Master circuitry.
EPROMS
U117 Slave EPROM See revision number stamped on EPROM.
U191 Master EPROM See revision number stamped on EPROM.