Black Box A/S-4 manual Troubleshooting Problems and Odd Installation Problems

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.