Comtech EF Data SNM-1010L - Manual (Page 145)

SNM-1010L Data/Control Modem Revision 0
User Port Operation MN/SNM1010L.OM
4.3.13.4 Area1 Defaults
To cause the SNM-1010L to execute SNM-1010L code stored in FLASH AREA 1, select
menu option “F4” by entering an ANSI F4.
4.3.13.5 Area2 Defaults
To cause the SNM-1010L to execute SNM-1010L code stored in FLASH AREA 2, select
menu option “F5” by entering an ANSI F5.
4.3.13.6 Ram Test
To perform a write/read/compare operation on locations 70000H to 7FFFFH of
SNM-1010L DRAM with a 55AA pattern, select menu option “1”.
4.3.13.7 NOVRAM Cycle Power Test “2”
To test the SNM-1010L NOVRAM, perform the following steps.
1. Power up the SNM-1010L.
2. Select menu option “2” (NOVRAM test). This test will fail due to the unknown
content of NOVRAM, and will store a pre-set pattern into NOVRAM.
3. Cycle the power and select menu option “2” again. If the test does not pass, the
SNM-1010L NOVRAM has failed.
4.3.13.8 Chip Select Test
To test the SNM-1010L Quad Pack A-D and the 1550 UART, select menu option “3”.
Verify that the User Port displays “
Chip Select Test Pass ”.
4.3.13.9 Service Terminal Loopback Test
To perform a loopback test of the Service Terminal port using a PC terminal emulation
program, select menu option “6”.
4.3.13.10 EFBUS Loopback Test
Same as above, except select option "4 or "5".
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