Appeal No. 1999-0246
Application 08/641,629
terminal 23 at a remote location 27 through modems 19 and 25
and a telephone line 29 to a system console 15, a host
computer 13, and a user terminal 20-1 for remote diagnosis of
hardware and software problems and which provides different
degrees of access of the remote terminal and a variety of
operating modes (Fig. 1; col. 1, ll. 6-10). Referring to
Figure 2, which shows the details of control and switching
device 17, a switch register 95 receives signals from a front
panel keyswitch 97 over lines 99
indicating whether the remote terminal is operating in the
full access mode, limited access mode, or no access mode
(col. 3, ll. 40-49; col. 7, ll. 38-41). The table at column 8
shows which of the available control commands (i.e., A-E, H,
J, M, N, S-V, and ?), which are entered by striking the BREAK
key before striking the letter key (col. 5, ll. 10-11), can be
input via the system console, user terminal, and remote
terminal when the keyswitch is in the NONE, LIMITED, and FULL
access positions. For example, when the keyswitch is in the
FULL position, the remote terminal can be used to input any of
commands M, N, and U to select an operating mode. Command M
- 6 -
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 Next
Last modified: November 3, 2007