Голосовая плата PH-600 предназначена для применения в крупных корпоративных системах компьютерной телефонии.
Расчитанная на подключение двух потоков Е1 в терминальном режиме и одного потока Е1 при параллельном подключении, голосовая плата PH-620 предназначена для применения в крупных корпоративных системах компьютерной телефонии.
| Common |
| Digital interfaces |
2 E1 (терминально) или 1 Е1 (параллельно) |
| Max. boards per system |
В зависимости от приложения |
| DSP processors |
Two ADSP-21065 |
| Control processor memory |
Up to 64 MB |
| PCI platform |
| Form factor |
PCI long card, single-slot width |
| Bus compatibility |
Rev 2.1 of PCI Bus Specification |
| Bus mode |
Target and DMA master mode operation |
| CT bus |
ECTF H.100 compliant CT Bus |
| Network connectors |
two RJ-45C on rear bracket |
| DTMF tone detection |
| DTMF digits |
0 to 9, *, #, A, B, C, D per Bellcore LSSGR Sec. 6 |
| Dynamic range |
-39 dBm to +0 dBm per tone |
| Minimum tone duration |
40 ms |
| Acceptable twist and frequency variation |
Meets ITU-T Q.23 recommendations |
| Noise tolerance |
Meets Bellcore LSSGR Sec. 6 and EIA 464 requirements |
| Global tone detection |
| Tone type |
Programmable for single or dual |
| Max. number of tones |
Application dependent |
| Frequency range |
Programmable within 300 to 3500 Hz |
| Max. frequency deviation |
Programmable in 5 Hz increments |
| Frequency resolution |
±5 Hz-Separation of dual frequency tones is limited to 62.5 Hz |
| Timing |
Programmable cadence qualifier, in 10 ms increments |
| Dynamic range |
Default set at -39 dBm to +0 dBm per tone, programmable |
| Global tone generation |
| Tone type |
Generate single or dual tones |
| Frequency range |
Programmable within 300 to 3500 Hz |
| Frequency resolution |
1 Hz |
| Duration |
10 ms increments |
| Amplitude |
-40 dBm to 0 dBm per tone nominal, programmable |
| MF signaling: R1.5, R2 & Euro ISDN |
| MF digits |
All 15 forward and backward signal tones per ITU-T Q.441 |
| Transmit level |
-8 dBm0 per tone nominal, per ITU-T Q.454; programmable |
| Signaling mechanism |
Supports the R2 compelled signaling cycle and non-compelled pulse requirements per ITU-T Q.457 and Q.442 |
| Dynamic range for detection |
-35 dBm to -5 dBm per tone |
| Transmit frequency var |
Less than ±1 Hz |
