| Mapping
of ATM cells into STM-1 frames |
| 9 |
| 261 bytes |
| SOH |
| SOH |
| STM-1 payload |
| 3 |
|
|
| AU-4
pointer points to |
|
| first byte of
VC |
|
| ATM cell |
| 5 |
|
|
|
| P |
||
| O |
||
| H |
||
| ... |
| ... |
|
|
|
| VC “floats”
in |
||
| STM-1
frames |
||
| 1 |
| 260 bytes |