Description
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 3AL98240AB |
| Board designation | P8S1 4E |
| Manufacturer | Alcatel-Lucent |
| Equipment category | SDH optical transport interface |
| Supported streams | Up to 8 × STM-1 or 2 × STM-4 |
| SFP capacity | Up to 8 interfaces |
| Supported interface types | S-1.1, L-1.1, L-1.2, S-4.1, L-4.1, L-4.2 |
| Interface media | Electrical or optical, depending on SFP |
| Slot width | One slot |
| Access board requirement | Not required |
| Mixed port configurations | Supported |
| DCC channels | Up to 16 (8 MS and 8 RS), subject to equipment limits |
| Configuration | Craft Terminal / Network Management |
| Synchronization | Ports can be configured as synchronization sources |
| CTDI reference | PM00006204 |
Technical limitation: The available documentation does not establish the exact SFP modules supplied with an individual 3AL98240AB. Wavelength, optical reach, connector type, and transmit/receive power depend on the installed transceivers. Do not assume all eight positions contain optical SFPs.
Product Introduction
The Alcatel-Lucent 3AL98240AB P8S1 4E is an SDH transport interface board designed to handle multiple STM optical or electrical connections. It supports up to eight STM-1 streams or two STM-4 streams, with flexible combinations of supported SFP interfaces. Its single-slot design does not require a separate access board.
In compatible optical transport equipment, the board provides SDH traffic connectivity, DCC channel support, synchronization-source selection, and auxiliary cross-connection functions. Port configuration is performed through the equipment’s management environment.

3AL98240AB
Application Scenarios & Field Pitfalls
Typical application scenarios
- SDH backbone connectivity: Provides STM-1 and STM-4 interfaces for optical transport network connections.
- Telecommunications network aggregation: Combines multiple lower-rate STM-1 connections within a transport node.
- Optical ring infrastructure: Supports SDH network connections used in ring and protected transport architectures.
- Network synchronization: Allows supported ports to serve as synchronization sources within the equipment configuration.
Field considerations
- SFP compatibility: Confirm the exact optical interface type, such as S-1.1 or L-1.2. Matching SFP form factors do not guarantee matching optical characteristics.
- Port configuration: The board supports different STM-1 and STM-4 combinations. Verify the existing configuration before changing port assignments.
- Optical budget: Check wavelength, fiber type, transmission distance, connector condition, and optical power levels against the installed SFP specifications.
- DCC configuration: Confirm the network’s DCC channel allocation and total equipment limit before modifying management connectivity.
- Synchronization: Check clock-source priorities and synchronization settings before removing or replacing an active interface.
- Hardware suffix: The base model and extended suffix variants must be compared carefully. Do not assume AA01 or RA02 versions are interchangeable with the base AB assembly.
Related Products
These Alcatel-Lucent parts are relevant for comparison within the optical transport equipment family.
- 3AL98240AA – P8G1 4E: Related eight-port STM-1 / two-port STM-4 interface designation; hardware configuration differs.
- 3AL98240AAAA – P8S1 4E: Same board designation reported in the equipment catalog, but a different complete part number.
- 3AL98240AB AA01: Extended part-number variant; revision and compatibility require confirmation.
- 3AL98240AB RA02: Another extended variant requiring hardware-level verification.
- 3AL98362AA – P4S1 4E: Reduced-capacity four-port / one-port STM-4 interface.
- 3AL98248AA – P8DCN: Eight-port DCC concentrator board; different function from P8S1 4E.
- 3AL81434AA: STM-16 host SFP interface, intended for a different transmission capacity.
Procurement and Replacement Notes
When purchasing the Alcatel-Lucent 3AL98240AB, verify:
- Complete part number: 3AL98240AB
- Board designation: P8S1 4E
- Equipment compatibility and supported shelf configuration.
- Installed SFP type and optical interface specification.
- Hardware revision and any additional suffixes.
- Existing / port configuration.
- DCC and synchronization settings.
For used or refurbished boards, request photographs of the front panel, board identification label, SFP cages, and installed transceivers. Functional testing should cover port recognition, optical signal status, alarm reporting, and traffic transmission where suitable test equipment is available.
Replacement warning: The 3AL98240AA, 3AL98240AAAA, and 3AL98240AB share a related P8-series designation, but that does not establish direct interchangeability. Confirm the hardware revision, equipment software release, and SFP configuration before installation.
