| Part number | Description |
|---|---|
| M120-FPC1 | M120 Flexible PIC Concentrator (accepts Type 1 PICs) |
| M320-FPC1-E3 | M320 Enhanced III Flexible PIC Concentrator (accepts Type 1 PICs) |
| T320-FPC1-E2 | T320 Enhanced II Flexible PIC Concentrator (accepts Type 1 PICs) |
| T640-FPC1-ES | T640/T1600 FPC1 with enhanced scalability |
