Comtech EF Data SNM-1000 - Manual (Page 103)

SNM-1000 Node Control Modem Revision 3
Operation MN/SNM1000.IOM
3–61
3.7.13.8 Chip Select Test
To test the SNM-1000 Quad Pack A-D and the 1550 UART, select menu option “3”.
Verify that the User Port displays “
Chip Select Test Pass ”.
3.7.13.9 Service Terminal Loopback Test
To perform a loopback test of the Service Terminal port using a PC terminal emulation
program, select menu option “6”.
3.7.13.10 EFBUS Loopback Test
Same as above, except select option "4 or "5".
3.7.14 Echo (ECHO)
This command enables/disables echo of characters sent to the SNM-1000 user port.
3.7.14.1 Command Format
ECHO ‘ON’ enables character echo
‘OFF’ disables character echo
3.7.14.2 Local Command Responses
ECHO
3.7.15 Setup Override (SETUP)
This command enables/disables the modem default setup capability on a specified
. When SETUP is enabled, the
SNM-1000 remote control channel sends
default modem settings before a data call is configured. If SETUP is disabled, no default
settings are sent to the modem before a data call is configured.