Agilent Technologies Auroraduet N1726A User Manual page 301

Duet
aurora - User Guide
Decode Output
RXB 12:26:06.519
V5: Env Addr=8177
DL Addr=8177
V5 CONTROL PROTOCOL
L2: RR
pf=1 Nr=61
FC E3 FC E3 01 7B
RXB 12:26:08.256
V5: Env Addr=8176
DL Addr=8176
V5 PSTN SIGNALLING
L2: RR
pf=0 Nr=28
FC E1 FC E1 01 38
RXB 12:26:08.318
V5: Env Addr=8176
DL Addr=8176
V5 PSTN SIGNALLING
L2: INFO
pf=0 Nr=28 Ns=25
FC E1 FE E1 32 38
L3: PD=48
L3 ADDR=29001
M01 V5 EST. ACK
48 E3 49 01
6 - 22
Fr.4
RXA 12:26:08.253 Fr.5
V5: Env Addr=8176
DL Addr=8176
V5 PSTN SIGNALLING
L2: INFO
pf=0 Nr=25 Ns=27
FC E1 FC E1 36 32
L3: PD=48
L3 ADDR=29001
M00 V5 ESTABLISH
I03 Steady signal
Steady-signal type=
Off hook-loop closed
48 E3 49 00 03 01 84
Fr.6
Fr.7
Explanation
Duet Frame 4 (Fr.4) is a
Receiver Ready frame for
keeping alive the layer 2
of the Control Protocol.
Envelope address 8177
always uniquely identifies
the V5 Control Protocol
422685