Thông số kỹ thuật chi tiết của Card mở rộng PVDM4-64=
| PVDM4-64 | Description | 
| Slot | On-board motherboard or T1/E1 module slot | 
| DSP | Multicore DSP technology | 
| Interface | Integrated Services Card (ISC) slot on motherboard or T1/E1 NIM | 
 
        | PVDM4-64 | Description | 
| Slot | On-board motherboard or T1/E1 module slot | 
| DSP | Multicore DSP technology | 
| Interface | Integrated Services Card (ISC) slot on motherboard or T1/E1 NIM | 
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