ASPB 64 POTS Ports for MA5616
Short Description:
| Category | Specification | 
| DSP channel (G.711) | 64 | 
| Codec | G.711A / G.711U / G.729 / G.723 / G.726 | 
| Polarity of wires a and b | a+ b- | 
| Short loop | Supported | 
| 16/12 KC | Supported | 
| Polarity reversal | Supported | 
| Power supply at high voltage (for a long distance) | Supported | 
| Port current | 20 mA / 25 mA / 30 mA | 
| MELT | Supported | 
| MELT precision | High | 
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