E4, Atm In 139.264 Mbit/S Mapping; Overhead; Alarm Generation (Defects - Wavetek ANT-20 Operating Manual

ATM Mappings
4

E4, ATM in 139.264 Mbit/s mapping

Option 3035/90.72
• Frames to G.832.
• ATM mapping to G.804.
4.1

Overhead

Overhead byte
FA1(hex)
FA2 (hex)
EM (hex)
TR (ASCII)
MA (hex)
NR (hex)
GC (hex)
P1 (hex)
P2 (hex)
Table S-1
4.2

Alarm generation (defects)

The following alarm types (defects) can be generated:
Defect
AIS
LOF
RDI
UNEQ
PLM
TIM
Table S-2
S-4
Option 3035/90.72
"F6"
"28"
Inserted via parity formation
"WG E4-TRACE"
"10"
"00"
"00"
"00"
"00"
Overhead contents
Sensor function test
On/Off
Yes
Yes
Yes
Yes
Yes
ja
Available alarm types (defects)
Sensor thresholds
M in N
-
M = 1 to N-1;
N = 1 to 8001
M = 1 to N-1;
N = 1 to 8001
M = 1 to N-1;
N = 1 to 8001
M = 1 to N-1;
N = 1 to 8001
-
ANT-20/ANT-20E
Specifications