PROBLEM

SYMPTOM

CAUSE

SOLUTION

 

 

 

 

 

 

 

 

hangs up PC

PC

rerouted for

command:

when

 

serial

MODE LPTx:=COMy (x=1, 2 or 3; y=1 or

executed

 

communicatio

2).

 

 

n

 

 

 

Floating

Using TERM program, check

 

 

condition on

handshaking line. Power down Model

 

 

DSR or CTS

24SII DES. If DSR, DCD and CTS lines

 

 

lines (i.e.,

do not go low, cable wiring needs to be

 

 

cable

checked

 

 

problem)

 

 

 

 

 

Print job

 

Timeout

Increase Input Inactivity Timeout period

switches

 

period too

via configuration mode

printers in the

 

short

 

middle of a

 

 

 

print job

 

 

 

Print job

 

Characters

Change Port Select Code to a unique

switches

 

used in Port

character sequence.

printers in the

 

Select Code

 

middle of a

 

are too

 

print job

 

common and

 

(continued)

 

may

 

 

 

inadvertently

 

 

 

appear

 

 

 

somewhere in

 

 

 

the print job

 

Print jobs

 

Timeout

Increase Input Inactivity Timeout period

intermix

 

period is too

via configuration mode.

 

 

short

 

Model 24SII

LEDs do no go

Timeout is set

Increase Input Inactivity Timeout period

DES does not

out

to zero (0)

via configuration mode.

timeout

 

 

 

 

 

Port selected

Send the disconnect sequence which

 

 

is designated

consists of the Port Select Code

 

 

as a computer

followed by a terminating character: OD

 

 

port (e.g.,

Hex (enter/return) or OA Hex (line feed).

 

 

computer-to-

 

 

 

modem

 

 

 

connection)

 

 

 

 

 

Print jobs are

 

Printer port is

Make sure printer is plugged in, turned

lost when

 

not connected

on, and in the "off line" mode. This

multiple users

 

or is

"pulls" the DTR line low and enables

are sending

 

connected to

transmission to the Model 24SII DES.

print jobs

 

a powered-

Or, Model 24SII DES could be in

 

 

down printer.

contention mode, and when first printer

 

 

Data is being

is busy, print job is routed to the next

 

 

routed to a

available printer which is turned off or is

 

 

powered-

not connected. It is highly recommended

 

 

down printer

that printers connected to the Model

 

 

and is lost

24SII DES be plugged in and turned on

 

 

(going into the

at all times; however, printers need not

 

 

bit bucket)

be in the "on-line" mode.

Unable to dial

Modem gives

Mismatch in

Configure the modem communications

out of external

no indication of

serial

software to communicate at the same

modem after

dialing out

configuration

serial parameters (baud rate, etc.) that

 

 

 

 

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