The AFAR Communications NX-2E1/T1 Operator’s Manual provides product description, theory of operation, setup, firmware upgrades, command reference, and…
The NetCrossing Gateway NX-2E1/T1 is a compact E1/T1 gateway that connects serial TDM lines to Ethernet or IP networks. This manual, published by AFAR Communications, guides users through product features, installation, configuration, and troubleshooting.
The document is organized into sections covering product description, theory of operation, unit checkout and firmware upgrades, command syntax, network management (including Telnet and SNMP), and several appendices with command summaries, specifications, console program information, and a quick‑setup guide.
| WAN Port Connector | RJ45 (x2) |
|---|---|
| LAN Port Connector | RJ45, 10 BaseT half/full duplex |
| TDM Ports | Two RJ45 (model NX-2E1/T1-B) and four BNC (model NX-2E1/T1-U) |
| E1 Impedance | Balanced 120 Ω, Unbalanced 75 Ω |
| T1 Impedance | Balanced 100 Ω |
| Console Port Connector | DB9 female (DCE) |
| Power Input (DC) | +8 to +28 V |
| Power Input (AC) | 110 VAC or 220 VAC (external supply) |
| Power Consumption | 3.5 W |
| Operating Temperature | 0 °C to 55 °C (32 °F to 130 °F) |
| Maximum Humidity | 90 % non‑condensing |
| Dimensions | 9" W × 6" D × 1.5" H (22.8 × 15.2 × 3.8 cm) |
| Weight | 1.0 lb (0.45 kg) |
The gateway operates from +8 V to +28 V DC or from 110 VAC/220 VAC with an external supply and consumes about 3.5 W.
Always close the session gracefully by executing the logout gateway command before exiting the console.