Paradyne 7511 Configuration Options 4 Switch Options and Usage, Off Off Standard, Off Constant

Table 1. Configuration Options (4 of 5)

Switch				Options and Usage		Default in Bold
CTS				Determines the operation of interchange circuit CT106, Clear to Send
	ON	ON
S2-1 & S2-2 (DSU A)				(CTS).
			DSU A
S4-1 & S4-2 (DSU B)				Off Off	Standard
				CTS follows RTS with a fixed delay except when an alarm is detected
	S1	S2		or a test is active, when CTS is turned off.
	S3	S4
	ON	ON
				Off ON	Circuit Assurance
			DSU B	Same as standard, but CTS is also turned off when Carrier Mode Idle
				codes are received.
				ON Off	Follow RTS
				CTS follows RTS without delay, regardless of alarms and tests.
				ON ON	Forced On

CTS is forced on after a successful self-test.

RTS	ON	ON		Determines the operation of interchange circuit CT105, Request to
S2-3 (DSU A)				Send (RTS).
S4-3 (DSU B)			DSU A	Off	Constant
				The internal RTS is forced on and the DSU is in a constant data mode.
	S1	S2		The transmitted signal is either Data Mode Idle codes or DTE data.
	S3	S4
	ON	ON
				ON	Switched
			DSU B	RTS is monitored, and Carrier Mode Idle codes are transmitted when
				RTS is off.
LSD				Determines the operation of interchange circuit CT109, Line Signal
	ON	ON
				Detect (LSD).
S2-4 (DSU A)			DSU A
S4-4 (DSU B)				Off	Standard
				LSD is on when the receive line is in data mode, and off when an alarm
	S1	S2		is detected or Carrier Mode Idle codes are received.
	S3	S4
	ON	ON
				ON	Forced On
			DSU B	LSD is forced on after a successful self-test.

6 January 1999 7511-A2-GN10-10