Appendix
E Encapsulation over PSN
Installation and Operation Manual
E-14
4BTDM Service Encapsulation
ACE-3105, ACE-3205 Ver. 5.2
TDM Payload
The following figure illustrates the structure of the TDM payload:
Timeslot 1
Timeslot 2
Timeslot N
Timeslot 1
Timeslot 2
Timeslot N
Timeslot 1
Timeslot 2
Timeslot N
Figure
E-19. TDM Payload
The TDM payload illustrated above consists of the following parameters:
•
N – number of timeslots in a bundle
•
M – number of bundles in a packet
•
L – the packet payload size in bytes (up to 512 bytes), calculated by
multiplying N by M (N
¯
M)
•
D – the packetization delay in milliseconds, calculated by dividing L by N
¯
8
(L / N
¯
8).
Up to N
timeslots in
a bundle
Up to N
timeslots in
a bundle
Payload –
Up to M
TDM frames