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Black Box PROTOCOL CONVERTER A/S-4 User Manual

Page 76

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CHAPTER 13: Troubleshooting Problems and Odd Installation Problems

75

PROBLEM

SYMPTOM

POSSIBLE REMEDIES

TCTS light is on and

a. Baud rate of A/S-4

TTX light does blink

does not match terminal

when power is applied

baud rate. Check baud

to the A/S-4

rate switches, refer
to Section 4.1.

b. Switches SW3/1,2,3 and

4 are not set correctly,, refer to

Section 4.1 and 4.2.

3. Power up message

a. Baud rate of A/S-4

has some incorrect

does not match terminal

letters or just

baud rate. Check baud

garbage letters

rate switches, refer

displayed

to Section 4.1.

b. Parity and word length

of A/S-4 and terminal
do not match. Check
option switches, refer
to Section 4.5.

4. Receive power up

TCD light on front of

a. A/S-4 switches SW2,

message on terminal

the A/S-4 is off

SW3 and SW6 for terminal

but typing home or

port not set correctly,

space bar will not

refer to Section 4 in

display main menu

manual.

b. Terminal device does

not supply DTR (if modem
device is hooked to
terminal port, it does
not supply DSR). Turn
on SW6/4 so A/S-4
unit will supply DTR.
(If modem device turn
on SW6/5 so A/S-4
unit will supply DSR).

TCD light is on, on the

a. Switches SW3/1,2,3 and

front of the A/S-4

4 are not set correctly,

and the TRX light does

refer to Section 4.1

not flash when a key is

and 4.2.

typed on the terminal.

TCD light is on on the

a. Switches SW2/8 and

front of the A/S-4

SW6/1, 2 and 3 are

and the TRX light does

set incorrectly, refer

flash when a key is

to Section 4.1 and 4.2.

typed on the terminal.