| Telephony Interface Module Support |
2 ports loop start FXO, 2 ports loop start FXS for 4 ports desktop version. 2 ports loop start FXS for 2 ports desk top version. |
| Network Interface Ports |
1 10/100Base-T, auto sensing, RJ45 |
| Voice codec support |
G.711 PCM 64kbps (A-law and µ-law)
G.723.1A ACELP/M-MLQ (5.3, 6.3kbps)
G.729AB CS-ACELP (8kbps) |
| Fax |
ITU-T V.21, V.27ter, V.29, V.33 and V.17 |
| Fax over IP protocol |
T.38
Proprietary low bandwidth protocol |
| Echo cancellation |
G.168 compliant, 16 ms tail length |
| Voice processing |
Voice activity detection
DTMF detection/generation
Echo cancellation
Comfort noise generation
Call progress detection
Gain control |
| Call control |
H.323 |
| Management |
Built HTTP server allowing management from web browser
Command line interface allowing management from VT-100 terminal or Telnet client |
| Software upgrade |
Flash memory and built-in TFTP allowing software upgrade via network |
| Power |
AC-to-DC power supply, 90-260 VAC, 50-60 Hz |
| Environmental |
Operating temperature: 0° to 45° C (32° to 113° F)
Storage temperature: -10° to 60° C (-4° to 149° F)
Humidity: 10% to 85% (non-condensing) |
| Dimension (H x W x D) |
2.6 x 17.5 x 10.8 in.
(44 x 445 x 275 mm) |
| Weight |
4.2 kg (9.3 lb)
5.1 kg (11.2 lb) with two modules installed |
| Compliances |
FCC Part 15 Class B
CE
UL |
|
FXO Card Technical Specifications
| Signaling |
Loop Start / DTMF |
| No. of channels |
2 |
| Interface Connectors |
2 RJ-11 2-pin modular jacks |
| Line Impedance |
600 Ω
900 Ω |
| Insertion Loss |
2 dB nominal |
| Frequency Response |
300Hz ? 3400Hz +/- 2dB w.r.t. 1004Hz. |
| Return Loss |
≥ 18 dB |
| Input Level adjustment |
-6 dB to +6 dB |
| Output Attenuation |
0 dB to 13 dB |
| Longitudinal Balance |
≥ 45 dB |
|
FXS Card Technical Specifications
| Signaling |
Loop Start / DTMF |
| No. of channels |
2 |
| Interface Connectors |
2 RJ-11 2-pin modular jacks |
| Line Impedance |
600 Ω
900 Ω |
| Insertion Loss |
2 dB nominal |
| Frequency Response |
300Hz ? 3400Hz +/- 2dB w.r.t. 1004Hz |
| Return Loss |
≥ 18 dB |
| Input Level adjustment |
-6 dB to +6 dB |
| Output Attenuation |
0 dB to 13 dB |
| Longitudinal Balance |
≥ 45 dB |
| Loop Current |
25mA nominal |
| Ring Voltage |
50Vrms Nominal |
| Ringing Tone |
16.67Hz, 20Hz(default), 25Hz or 50Hz |
|
Console Port
The console port uses a DB-9 RS-232 connector. The supplied straight-through RS-232 cable connects the console port of the ITG to a console PC or terminal. Pin out for the port is described in the following table.
| DB-9 pin |
Signal |
| 1 |
Not connected |
| 2 |
TxD |
| 3 |
RxD |
| 4 |
Not connected |
| 5 |
Ground |
| 6 |
Not connected |
| 7 |
Not connected |
| 8 |
Not connected |
| 9 |
Not connected |
|
LAN Port
The 10/100 LAN port use standard RJ-45 connector and Ethernet pin outs. The following diagram and table show the pin out on the port connector. When connecting the LAN port to switches or repeaters, a straight-through cable must be used.
| RJ45 pin |
Signal |
 |
| 1 |
RxD+ |
| 2 |
RxD- |
| 3 |
TxD+ |
| 4 |
Not connected |
| 5 |
Not connected |
| 6 |
TxD- |
| 7 |
Not connected |
| 8 |
Not connected |
|
FXO Port Pin Assignments
The FXO Telephony Interface Module has 2 RJ11C/W modular jacks. The following diagram and table show the assignments of the pin for the RJ11 port.
| RJ-11 pin |
Signal |
 |
| 1 |
Not connected |
| 2 |
Tip |
| 3 |
Ring |
| 4 |
Not connected |
|
FXS Port Pin Assignments
The FXS Telephony Interface Module has 2 RJ11C/W modular jacks. The following diagram and table show the assignments of the pin for the RJ11 port.
| RJ-11 pin |
Signal |
|
| 1 |
Not connected |
| 2 |
Tip |
| 3 |
Ring |
| 4 |
Not connected |
|
This applies to:
| 
