|
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
|
