This document is the user manual for ZMUX-32T telephone optical terminal. It introduces the features, environment requirements, technical specifications, and other information of the product.
The ZMUX-32T telephone optical line terminal is a 1U rack‑mount device that aggregates voice, data and video signals for transmission over fiber. It provides up to 30 selectable user interfaces, supports 10Base‑T Ethernet, and includes status LEDs for easy maintenance.
The manual details environmental requirements, power connections, interface wiring, mounting guidelines, and common fault handling, with full reference tables for signal‑lamp meanings and DB25 audio connector pinouts. This manual is written in Chinese.
| Operating temperature | 0°C~40°C |
|---|---|
| Relative humidity | ≤90% at 25°C |
| Power supply voltage | -48 V DC |
| Allowed voltage variation | -36 V to -72 V |
| Power supply current | ≤1 A |
| Bit rate | 16.384 Mb/s |
| Line code | NRZ + scrambling |
| Transmit optical power | > -5 dB (long distance) / > -12 dB (short distance) |
| Receive sensitivity | > -36 dB |
| Optical connector | FC (optional SC) |
| User interface impedance | 600 Ω |
| Insertion loss | -3~0.75 dB |
| Frequency response | 300‑3400 Hz (-0.6~+3 dB) |
| Loop resistance | 1800 Ω |
The device operates from 0 °C up to 40 °C.
PWR (green) indicates power on, RUN (green) shows system running, LOS (red) signals loss of signal, LOF (red) indicates loss of frame, DA (yellow) shows remote alarm, AIS (yellow) means all‑ones reception, MLOF (red) loss of multi‑frame, MDA (yellow) remote multi‑alarm, and SBx (green) shows channel occupation.