Northern UTA220/UTA220k manual AT Command Set, Description, Value

AT Command Set

Table C-1: UTA 220 AT Command Set (Continued)

Command	Description		Value
&Tn	Test Modes	n =	0	End Test
		back	1	Local Loop-
			3	Digital Loop-
		back
			9	LocalTer-
		minal Loopback
			8	Bilateral
		Loopback
&V=	View Parameters	E Port V.120
		T Port TLink
		Z Stored Telephone Numbers
&Wn	Store port to non-volatile	n = 0, 1
	set n
	Port Commands: V.120 (B-Channel only)
%E0=	Maximum Transmit Frame	Range: 1-260 default		(260)
	Size
%E1=	Maximum Receive Frame	Range: 1-260 default		(260)
	Size
%E2=	Window Size	Range: 1-127 default		(8)
%E3=	T200 Transmission timer	Range: 1-255 default		(5)
%E7=	Protocol Option	0	Transparent to all bits
		(SYNC/
			ASYNC) according to &Q
		1	Use protocols (SDLC)
		<default>
%E9=	Information Frame	0	Use I Frames <default>
	Selection	1	Use UI Frames
	Port Commands: TLink (B-Channel Only)
@T0=	Echo	E Enabled
		D Disabled <default>
@T1=	DTR	A Assert
		N Normal <default>
@T2=	RTS	A Assert
		N Normal <default>
@T3=	Negotiation	E Enabled <default>
		D Disabled

*Note: "by port" indicates that these switch parameters are associated with a particular port. However, this does not exclude ports from sharing the same SPID or TEI.+

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