Alcatel Lucent 500-1113-211 Rev H Channel Bank Assembly

The Alcatel Lucent 500‑1113‑211 Rev H (also referenced with assembly 300‑1250‑901) is a channel bank assembly used in telecommunications central offices and access networks. This unit provides TDM (Time‑Division Multiplexing) voice and data interfacing, converting analog or low‑speed digital subscriber lines into higher‑order digital trunks (such as T1/E1) for transport over the core network.

Overview

Channel banks are foundational devices in legacy telephony, enabling the aggregation of many individual voice channels (typically 24 for T1 or 30 for E1) onto a single high‑speed digital line. The 500‑1113‑211 Rev H assembly is a modular unit that includes line interface cards, common control, and power supplies. It supports various signaling types (loop‑start, ground‑start, E&M) and provides testing and maintenance features.

Key Features

• Supports 24 (T1) or 30 (E1) voice channels

• Analog and digital interface options (FXS, FXO, E&M, T1/E1)

• Integrated signaling conversion (CAS, CCS, PRI)

• Built‑in test access and loopback capabilities

• Redundant power supply options

• Front‑panel LEDs for channel and alarm status

• Management via craft interface and SNMP

Technical Specifications

• Channel Capacity: 24 (T1) or 30 (E1) per bank

• Trunk Interface: T1 (1.544 Mbps) or E1 (2.048 Mbps)

• Channel Types: FXS, FXO, E&M (wink/start), 4‑wire audio

• Signaling: Loop‑start, ground‑start, E&M, ISDN PRI

• Power Supply: -48 VDC (dual feed optional)

• Power Consumption: 60 W typical

• Operating Temperature: 0°C to 45°C

• Dimensions: 3U rack‑mountable (approx. 133mm × 483mm × 300mm)

Applications

This channel bank is used in central offices, enterprise PBX environments, and remote terminals to connect analog phones, fax machines, and legacy data equipment to digital transmission networks. It is also deployed in mobile switching centers for backhaul of circuit‑switched traffic.

Management and Integration

Configuration and monitoring are performed via a local craft terminal or remotely through SNMP. The unit supports standard MIBs for performance reporting, and alarms are generated for loss of signal, frame slip, or channel faults.

Installation and Maintenance

Installation involves rack‑mounting the chassis, installing the appropriate line interface cards, connecting subscriber cables and trunk lines, and applying power. The system automatically initializes. Maintenance includes periodic cleaning of connectors and checking alarm logs.

Conclusion

The Alcatel Lucent 500‑1113‑211 Rev H channel bank assembly provides reliable, high‑density TDM conversion for legacy voice networks, ensuring continued interoperability with modern transport infrastructure.