AT&T MERLIN LEGEND Release 3.1 System Programming Manual page 114

Using SPM
NOTE:
You cannot program the SPM application on the IS II/III PC because the remote
call (from your SPM PC) uses the IS II/III PC's COM1 port; therefore, the system
programming jack cannot be used for system programming. For the same
reason, a user at the IS II/III PC end of the connection cannot use SPM while
your Pass-Thru is in effect. If use of SPM is attempted, the user at the IS II/III end
sees the following message:
To initiate Pass-Thru, establish a modem connection between the SPM PC and
the control unit.
If the IS II/III PC does not respond to the Pass-Thru request from the control unit
(for example, because the PC is turned off), you see the following message:
If the connection between the control unit and the IS II/III PC fails, the connection
between the control unit and the SPM PC is dropped. You see the following
message:
When you press
Follow the steps below to initiate the Pass-Thru.
1 At the SPM Main Menu press
The display area changes to 24-lines by 80-characters, which is much larger
than the display area on the console simulation window (7-lines by
24-characters).
2–36
Programming with SPM
4
you return to the SPM Main Menu.
&
to select
&
.