AMT-4E-V fiber MODEM user manual, introduces product functions, parameters and indicators, working conditions, operation manual and other contents
This manual describes the AMT-4E-V V.35 digital modem, its interfaces (G.703/V.35, 10Base‑T, 4E1/10Base‑T) and how to install and operate the device. It includes power‑up procedures, wiring diagrams, and configuration settings for both copper and optical‑fiber connections.
The document also lists technical specifications such as power consumption, input voltage ranges, data rates, and test procedures. Sections cover indicator meanings (PWR, TD, RD, OPLOS, OPSYL, PTOK), mode selection (INT, EXT, LINE), and detailed troubleshooting steps. This manual is written in Chinese.
| Input voltage | AC180‑240 V, DC –48 V, +24 V |
|---|---|
| Maximum data rate | 4096 kbit/s |
| Bit error rate (BER) | 1 × 10⁻¹¹ |
The modem can be powered from AC 180‑240 V, DC –48 V, or +24 V, and its consumption is less than 5 W.
Use the mode selector switch on the front panel: set to INT for internal loopback, EXT for external loopback, or LINE for normal line operation.