Northern UTA220/UTA220k - Manual (Page 142)

C-8
UTA220/UTA220k
AT Command Set
&Tn Test Modes n = 0 End Test
1 Local Loop-
back
3 Digital Loop-
back
9 Local Ter -
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
set n n = 0, 1
Port Commands: V.120 (B-Channel only)
%E0= Maximum Transmit Frame
Size Range: 1-260 default (260)
%E1= Maximum Receive Frame
Size Range: 1-260 default (260)
%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
Selection 0 Use I Frames < default>
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
Table C-1: UTA 220 AT Command Set (Continued)
Command Description Value
*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.+