|
Number of E1 PRI ISDN Interfaces |
One, (User or Network Modes - Configurable) |
|
Conformity
(Electrical) |
G.703 |
|
Frame Structure |
As per ITU-T (CCITT) G.704 |
|
Signaling |
PRI ISDN (Euro ISDN) Signaling as per ITU-T
Rec. Q.921, Q.931 |
|
PCM Sampling Rate |
8000 samples / second. |
|
Encoding Law |
A Law as per ITU-T G.823 |
|
Bit Rate |
2048Kbps ± 50ppm. |
|
Code |
HDB3 |
|
Nominal Impedance |
120 Ohms Balanced |
|
Connector |
RJ45 |
|
Pulse Mask |
As per ITU-T (CCITT) Rec. G.703 |
|
Output Jitter |
<0.05UI (in the frequency range of 20Hz to
100KHz). |
|
Permissible Attenuation |
6dB at 1MHz |
Return Loss at:
51.2 KHz to 102.4 KHz.
102.4 KHz to 2048 KHz
2048 KHz to 3072 KHz |
> 12dB
> 18dB
> 14dB |
|
Jitter Tolerance |
As per ITU-T (CCITT) G.823 |
|
Loss and Recovery of Frame Alignment |
As per Clause 3 of ITU-T (CCITT) G.732 |
|
Loss and Recovery of Multi-Frame Alignment |
As per Clause 5.2 of ITU-T (CCITT) G.732 |
|
Number of GSM Interfaces |
1
~ 30 (Stackable, 1 thru 30). |
|
Type |
Dual Band EGSM 900 MHz and EGSM 1800 MHz.
Optional: Dual Band EGSM 850 MHz and 1900 MHz. |
|
Compliance |
Compliant with ETSI GSM
Phase 2+ standard (Normal MS)
Class 4 (2W @ 900MHz)
Class 1 (1W @ 1800MHz) |
|
Approvals |
Fully Type Approved to GSM Standards |
|
SIM Interface Internal Tray |
Toolkit Class 2. 3V Reader |
|
Voice Features |
Full Rate, Enhanced Full Rate And Half-Rate (FR/EFR/HR) |
|
Called ID |
Enable / Disable - User Selectable |
|
Number of Interfaces |
2,
1 - Input (RJ-45)
1 - Output (RJ-45) |
|
Conformity |
G.703 |
|
Frame Structure |
As
per ITU (CCITT) G.704 |
|
Signaling |
Pass-Through |
|
PCM Sampling Rate |
8000 Samples / sec |
|
Encoding Law |
A
Law as per ITU (CCITT) G.711 |
|
Bit Rate |
2048 Kbps ± 50 ppm |
|
Code |
HDB3 |
|
Nominal Impedance |
120 W
balanced |
Peak Voltage of a mark
For 120 W
balanced interface |
3.0 V ± 0.3 V |
Peak Voltage of a space
For 120 W
balanced interface |
0 V ± 0.3 V |
|
Nominal Pulse Width |
244 ns |
|
Pulse Mask |
as
per ITU (CCITT) Rec. G.703 |
|
Output Jitter |
<
0.05 UI (in the frequency range of 20Hz to 100 Khz) |
|
Permissible Attenuation |
6
dB at 1 MHz |
Return Loss at:
51.2 KHz to 102.4 Khz
102.4 KHz to 2048KHz
2048KHz to 3072 Khz |
> 12dB
> 18dB
> 14dB |
|
Jitter Tolerance |
As
per ITU (CCITT) G.823 |
|
Loss and recovery of frame alignment |
As
per clause 3 of ITU (CCITT) G.732 |
|
Loss and recovery of multiframe alignment |
As
per clause 5.2 of ITU (CCITT) G.732 |
