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Figure 2.3 rs-232 interface pcb – Xantrex Technology RS232-XPD User Manual

Page 20

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Installation and Configuration
Initial Inspection

18

Operating Manual for RS-232 for XPD Series Power Supply

Figure 2.3 RS-232 Interface PCB

JUMPER SELECTION

J2

Local OVP control selection

[closed] [default]. See page 28.
[open] Front Panel OVP Control.

J3

User TTL shutdown (S/D)
selection

[1-2] User TTL S/D line active low. See page 31.
[2-3] [default] User TTL S/D line active high.

J20

Remote OVP Control Selection

[closed] [default]. See page 28.
[open]

J10

RS-232 (J4) transmit and
receive pin selection

[3-1] Receive on pin 3 [default]
[4-6] Transmit on pin 2 [default]
[3-5] Receive on pin 2
[4-2] Transmit on pin 3

J16

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)

J17

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

D1

Red Diagnostic LED

Bus error or soft restart on Slave circuitry.

D4

Red Diagnostic LED

Soft restart on Master circuitry.

D5

Green Diagnostic LED

Bus error on Master circuitry.

EPROMS

U18

Slave EPROM

See revision number stamped on EPROM.

U1

Master EPROM

See revision number stamped on EPROM.