SINGLE CHANNEL DS1/CEPT LINE INTERFACE UNIT The **XRT83D10IW** is a quad T1/E1/J1 short-haul line interface unit (LIU) manufactured by **EXAR Corporation**. Below are the key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** EXAR Corporation
- **Type:** Quad T1/E1/J1 Short-Haul Line Interface Unit (LIU)
- **Package:** 64-pin TQFP (Thin Quad Flat Package)
- **Operating Voltage:** 3.3V
- **Temperature Range:** Industrial (-40°C to +85°C)
- **Compliance:** Meets ITU-T G.703, G.704, G.706, G.732, G.736, G.823, and ANSI T1.102, T1.403 standards
### **Descriptions:**
- The **XRT83D10IW** integrates four independent T1/E1/J1 transceivers in a single chip, supporting both short-haul and long-haul applications.
- It provides full-duplex operation with built-in jitter attenuation, line equalization, and clock recovery.
- The device supports both **HDB3 (E1)** and **B8ZS/AMI (T1/J1)** line coding schemes.
- It includes programmable features for transmit and receive gain, termination impedance, and loopback modes.
### **Features:**
1. **Quad-Channel Integration:** Four independent T1/E1/J1 transceivers in one chip.
2. **Flexible Line Coding:** Supports **HDB3 (E1), B8ZS, and AMI (T1/J1)**.
3. **Built-in Jitter Attenuation:** On-chip jitter attenuation for improved signal integrity.
4. **Programmable Termination Impedance:** Supports **75Ω (E1) and 100Ω (T1/J1)**.
5. **Loopback Modes:** Local, remote, and analog loopback support for diagnostics.
6. **Line Equalization:** Adaptive equalization for cable lengths up to **6,000 feet (T1) or 2.5 km (E1)**.
7. **Industrial Temperature Range:** Operates from **-40°C to +85°C**.
8. **Low Power Consumption:** Optimized for power-sensitive applications.
9. **Standards Compliance:** Meets **ITU-T and ANSI** specifications for T1/E1/J1 interfaces.
This information is strictly based on the manufacturer's datasheet and technical documentation.
