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AT Commands and S-Registers
4-213821-A2-GB20-30 February 1998
Table 4-2
(6 of 10)
3821
Plus
S-Registers
S49 – Transmit Buffer Disconnect Delay
Determines the maximum amount of time the modem can continue to send data in its Transmit Buffer to the remote
modem after it is commanded by the DTE to disconnect.
Register has the following values:
0 = Disable (Immediate disconnect)
1 = 1 second
2 = 2 seconds
D D
D D
255 = 255 seconds
Factory default is 10 seconds.
S55 – Access from Remote
Determines whether the 3821
Plus
modem’s configuration options can be accessed by a remote 3800
Plus
modem via a
dial-line or leased-line connection.
Register has the following values:
0 = Enable
1 = Disable
The value of S55 is not affected by factory default templates.
S56 – Remote Access Password (Part 1)
Register allows entry of the first pair (leftmost) of digits of a remote access password. Any value from 00 to 99 is valid.
For example, if the remote access password is 12345678, then S56=12.
The value of S56 is not affected by factory default templates.
S57 – Remote Access Password (Part 2)
Register allows entry of the second pair of digits of a remote access password. Any value from 00 to 99 is valid.
The value of S57 is not affected by factory default templates.
S58 – Remote Access Password (Part 3)
Register allows entry of the third pair of digits of a remote access password. Any value from 00 to 99 is valid.
The value of S58 is not affected by factory default templates.
S59 – Remote Access Password (Part 4)
Register allows entry of the fourth pair (rightmost) of digits of a remote access password. Any value from 00 to 99 is valid.
The value of S59 is not affected by factory default templates.
S62 – V.25bis Coding
Identifies to the modem the type of coding used by the DTE while in V.25bis HDLC or V.25bis Bisync mode.
Register has the following values:
0 = ASCII
1 = EBCDIC
Factory setting is ASCII.