DS2154
ALARM CRITERIA Table 4-1
ALARM
SET CRITERIA
CLEAR CRITERIA
ITU SPEC.
over 16 consecutive frames over 16 consecutive frames
G.732
4.2
RSA1
(one full MF) timeslot 16
contains less than three 0s
(one full MF) timeslot 16
contains three or more 0s
(receive signaling all 1s)
over 16 consecutive frames over 16 consecutive frames
G.732
5.2
RSA0
(one full MF) timeslot 16
contains all 0s
(one full MF) timeslot 16
contains at least a single 1
(receive signaling all 0s)
bit 6 in timeslot 16 of
frame 0 set to 1 for two
consecutive MF
bit 6 in timeslot 16 of frame
0 set to 0 for a two
consecutive MF
O.162
2.1.5
RDMA
(receive distant multiframe
alarm)
less than three 0s in two
frames (512 bits)
more than two 0s in two
frames (512 bits)
O.162
1.6.1.2
RUA1
(receive unframed all 1s)
bit 3 of non-align frame set bit 3 of non-align frame set
O.162
2.1.4
RRA
to 1 for three consecutive
occasions
to 0 for three consecutive
occasions
(receive remote alarm)
255 (or 2048) consecutive
0s received
in 255-bit times, at least 32
1s are received
G.775 /
G.962
RCL
(receive carrier loss)
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DALLAS [ DALLAS SEMICONDUCTOR ]
