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3. Key Technical Specifications
| Parameter | Value |
| Platform Compatibility | Alcatel-Lucent 1660 SM (Synchronous Multiplexer) |
| Transmission Standard | SDH (Synchronous Digital Hierarchy) |
| Interface Levels | Supports STM-1, STM-4, or STM-16 (SFP Dependent) |
| Hardware Revision | 03 |
| Mapping Types | VC-12, VC-3, VC-4 High-Order/Low-Order |
| Protection Support | SNCP, MSP (1+1), and MSSPRing |
| Power Consumption | ~40 W Typical |
| Operating Temp | −5 to +45 °C |
| MTBF | > 250,000 Hours |
- 3AL81295AAAA 03
4. Product Introduction & Supply Chain Strategy
The Alcatel-Lucent 3AL81295AAAA 03 is a core optical circuit pack for the 1660 SM multi-service provision platform. It is designed to handle complex SDH multiplexing tasks, allowing network operators to aggregate lower-order traffic into high-speed STM-N optical streams. This module is a staple in metropolitan and regional transport networks that still rely on the rock-solid timing and deterministic latency of SDH architectures.
Strategically, the 3AL81295AAAA 03 is an “insurance policy” for legacy transport infrastructure. Because these systems are often at the End-of-Life (EOL) phase from the OEM, finding New Surplus units is the only way to guarantee another 10 years of service without risking refurbished hardware. Used modules from decommissioned sites often have “laser sag” or timing jitter issues caused by years of thermal stress. By stocking New Surplus, you eliminate these variables, ensuring a much lower Total Cost of Ownership (TCO) than a potential network-wide outage caused by a failing second-hand card.
5. Installation & Configuration Guide
Stage 1: Pre-Installation (Prep & Safety)
Verify the 1660 SM shelf has an available high-speed slot and that the cooling fans are operational. Inspect the fiber bulkheads with a 400x microscope to ensure no contamination. Critical: Use a grounded ESD wrist strap; the 3AL81295AAAA uses high-speed ASICs that are extremely sensitive to static discharge.
Stage 2: Removal
If replacing a card in an active ring, perform a “Manual Switch” to the protection path via the network management system (NMS). Loosen the captive screws and use the extractor levers to disengage the board from the high-density backplane.
Stage 3: Installation (Clone & Seat)
Align the 3AL81295AAAA 03 with the slot guide rails. Push the module in until the levers make contact with the shelf frame, then close the levers simultaneously to seat the card. Tighten the captive screws to ensure the module is grounded to the 1660 SM chassis.
Stage 4: Power-On & Testing
Monitor the “PROG” and “FAIL” LEDs. Once the “FAIL” LED extinguishes, use the Craft Terminal to verify the board is recognized as Revision 03. Perform a bit error rate (BER) test on the newly provisioned optical path to confirm circuit integrity before moving traffic back to the primary line.
6. Firmware/Software Versions & Upgrade Notes
The 3AL81295AAAA 03 is typically compatible with 1660 SM Software Release 5.x and above. If your system is running an older Release (e.g., Rel 3.0), the card may be flagged as “Invalid Hardware.”
Technical Warning: Hardware revision “03” contains specific microcode optimizations for low-order grooming. If you are replacing an “01” or “02” revision, verify that your NMS (such as Lucent Navis or Nokia 1350 OMS) has the correct driver pack to recognize the updated parameters of the “03” version to avoid database synchronization errors.
7. Frequently Asked Questions (FAQ)
What does the “03” at the end of the part number mean?
The “03” is the hardware revision code. It indicates a newer production run, often with improved heat dissipation or updated chipsets compared to revisions 01 or 02. Revision 03 is usually backward compatible with older slots.
Is this part “New Surplus” or “Cleaned/Used”?
This is 100% New Surplus. It has never been installed in a live rack and comes from original project overstock. The backplane connectors show zero insertion marks, and the optical ports are factory-capped.
Does it come with the SFP optics pre-installed?
Generally, the 3AL81295AAAA 03 is the base card. Optical transceivers (SFPs) are typically sold separately based on your specific reach requirements (e.g., S-1.1, L-1.2). However, check your specific quote to see if optics were bundled.
Can I hot-swap this card?
Yes, the 1660 SM platform supports hot-swapping. However, any traffic currently mapped to the card will be dropped unless a protection switch (MSP/SNCP) has been initiated prior to removal.
What is the warranty for this legacy part?
We provide a 12-month replacement warranty on all New Surplus Alcatel-Lucent hardware. This ensures that your legacy SDH infrastructure remains as reliable as the day it was commissioned.
