Northern UTA220/UTA220k manual Table C-1 UTA 220 AT Command Set Continued, Description, Value

AT Command Set

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

Command	Description			Value
!C1=	Switch Software Version	!C0=0	0	AT&T Point-to-Point
		!C0=1	1	AT&T Multi-Point
			2	DMS100 PVC IC-0
		!C0=2	3	DMS100 PVC IC-1
			4	National ISDN 1
		<default>
!C2=	SPID (by port)*	Range: 0-20 characters
			default (null string)
!C3=	D-Channel Provisioning	0	None <default>
		1	X.25
!C4=	B1-Channel Provisioning	0	None <default>
		9	Permanent
!C5=	B2-Channel Provisioning	0	None <default>
		9	Permanent
!N=	Directory Number (by	Range: 0-20 characters (0-9,#,*)
	port)*		default (null string)
	Channel Parameters: LAPD
!D0=	SAPI-16 X.25 TEI (by port)	Range: 0-63, 255 (auto), 127
		(disable)
			default (127)
!D1	SAPI Parameter	0	Disable
	Negotiation	1	Enable <default>
!D3=	SAPI-0 data TEI (by port)*	Range: 0-63, 255 (auto), 127
		(disable)
			default (255)
	Channel Parameters: X.25 Provisional D-Channel
!X0=	Receive Window Size	Range: 1-7		default (2)
	Default
!X1=	Transmit Window Size	Range: 1-7		default (2)
	Default
!X2=	Receive Window Size	Range: 7-8		default (8)
	Default
!X3=	Transmit Window Size	Range: 7-8		default (8)
	Default

*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.+

C-2 UTA220/UTA220k