NEC Univerge SV8500 Operation And Maintenance Manual page 426

3
Probable cause for failure
b7 b3
b0-b3: See the table below.
b2 b1 b0
FLT ID
CCITT
ERROR
00 A
01 B
02 C
03 D
04 E
05 F
06 G
07 H
08 I
09 J
0A K
0B L
0C M
0D N
0E O
0F -
10 -
40 -
– 379 –
CHAPTER 3 System Messages
FACTOR
S (F = 1) frame is received.
DM (F = 1) response is received.
UA (F = 1) response is received.
UA (F = 0) response is received.
DM (F = 0) response is received.
SABME command is received.
N200 Timeout (Link is set)
N200 Timeout (Link is disconnected)
N200 Timeout (Link failure is restored
to normal)
N (R) frame error is received.
FRMR frame is received (Link is re-
setup).
Undefined frame is received.
-
Improper long frame is received.
I frame with I field which exceeds
N201 is received.
-
Layer 1 down (for ILC)
FRMR frame is received. (Link is not
re-setup)