RS-232 Isolator
Crestron
CSP-RS232I
Problem Solving
Troubleshooting
The following table provides corrective action for possible trouble
situations. If further assistance is required, please contact a Crestron
customer service representative.
CSP-RS232I Troubleshooting
TROUBLE
POSSIBLE
CAUSE(S)
CORRECTIVE
ACTION
Device is not
receiving power.
Verify that power is
connected to the
12 VDC
port or the
24 VDC
port.
Device does not
function.
Device is not
receiving
sufficient power.
Use the Crestron
Power Calculator to
help calculate how
much power is
needed for the
system.
PWR
LED does
not illuminate.
Device is not
receiving power.
Connect power to the
12 VDC
port or the
24 VDC
port.
Peripheral
device is not
functioning.
Peripheral device
is not
communicating
with control
system.
Verify connections
from control system to
CSP-RS232I and
connections from
CSP-RS232I to
peripheral device.
Loss of
functionality due
to electrostatic
discharge.
Improper
grounding.
Check that all ground
connections have been
made properly.
10
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RS-232 Isolator: CSP-RS232I
Operations & Installation Guide – DOC. 6634A
