Mca Troubleshooting Flowchart - Nortel Meridian SL-100 Reference Manual

Figure 2-10xxx

MCA troubleshooting flowchart

Distinctive flash
Telephone bad
(A44-A64 interface
check)
Set to remote loopback mode:
M <cr>
R <cr>
Remote loopback: Y <cr>
Q <cr>
Or program P38 (if equipped with
display)
<cr>, dial data DN
Call connected; type
some characters.
Meridian SuperNode MSL-100 Meridian Modular Telephones Reference Manual MSL11
Power up
LED lit
LED check
<cr> No menu
Enter number
or H for help
Echoes
characters
MCA
good
Attach RS-232
cable to DTE
AT
<cr>
P66 KBD
No menu
<cr>
No
MCA bad
echo
Installation procedures 2-43
LED lit steady
MCA bad
No AT
echo
MCA
bad
P28 <cr>
Note: If the set is
equipped with display,
use P62 to determine
if it is in terminal
mode or host mode.