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

PROTOCOL CONVERTER MODEL A/S-4

13.Troubleshooting Problems and Odd Installation Problems

Listed below are some of the common problems found with installation and operation of the A/S-4 unit. Find the problem you are experiencing and try the remedies listed to fix the problem.

PROBLEM	SYMPTOM	POSSIBLE REMEDIES
1. No Power	Power light on front of	a. check wall power out-let for proper
	A/S-4 is OFF	operation.
		b. Check to make sure the power
		transformer for the A/S-4 is
		plugged into the wall and into the
		unit all the way.
2. No power up	TCTS light is off,on	a. A/S-4 Switches SW2, SW3
message	front oF A/S-4	and SW6 for terminal port
		are not set correctly, refer to
		Section 4 in 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).
	TCTS light is on and	a. Speed detect option is on,
	TTX light does not	type “S” to get power up message.
	blink when power is	b. Typing “S” for speed option still
	applied to the A/S-4	does not give power up message.
	unit	Baud rate cannot be matched by speed
		detect option so set up switches on
		A/S-4 to match terminal baud rate
		(refer to Section 4.1).

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