Nortel M3110 Installation Manual page 273

7 As the download occurs, various messages can appear on the system
terminal. A complete list of these messages is in Software Input/Output:
System Messages (553-3001-411).
For each telephone that downloads successfully, the following will print:
SDL000 hw a v m
where hw = telephone type, a = Terminal Number (TN),
v = version, m = Mode.
For each telephone that fails to download, the following will print:
SDL2110 e hw a v m
where e = reason code, hw = telephone type, a = TN, v = version,
m = Mode.
For example:
SDL2110 REASON 21, 3903(40 0 4 6), VERSION 84, BKGD
MODE
e (reason code, cause of the error) can be:
1 = Time-out error
2 = PSW checksum error
3 = Record checksum error
4 = Record format error
5 = Firmware state error
6 = Invalid page number received
7 = Unrequired page delivered during download
18 = Flash memory cannot be erased
19 = Error detected while programming flash
20 = An application is currently active, download cannot proceed
21 = Verification byte incorrect
hw (telephone type) can be:
390x (M3900 telephone model: one of 3902, 3903, 3904, 3905)
a (address — TN) can be:
M390x telephone TN (LSCU: loop, shelf, card, unit)
v is the PSW version
Telephones and Consoles
M3900 Flash Download
Description, Installation, and Operation
Page 273 of 504