
Alcatel 3AL98128AA ISA-ES1 8FE 8-port Fast Ethernet switch module for the 1660SM SDH platform family.
The Alcatel 3AL98128AA is an ISA-ES1 8FE Ethernet switch interface module for the Alcatel-Lucent 1660SM compact SDH metro multiplexer platform, also compatible with the related 1670SM, 1678MCC and 1662SMC platforms. It provides 8 Fast Ethernet ports, allowing packet/Ethernet traffic to be carried and switched over the SDH transport ring alongside traditional TDM traffic.
The ISA-ES1 8FE module is part of Alcatel-Lucent’s Ethernet-over-SDH interface card range, enabling carriers and enterprises to add data/Ethernet transport capability to an existing SDH network without a full platform upgrade. A related B hardware revision (ES1-8FEB) is also documented on the same platform family, confirming the ISA-ES1 8FE naming and function for this card line.
This is a legacy but still deployed interface card for the Alcatel-Lucent 1660SM/1662SMC/1670SM/1678MCC SDH platform family, useful as a like-for-like replacement or spare part for organisations maintaining existing installations.
Available from Tech-Star (UK-based, shipped worldwide) as new or refurbished stock. Enquire for current availability and lead time.

| Platform | Alcatel-Lucent 1830 PSS optical transport platform (XFP MSA pluggable) |
|---|---|
| Manufacturer | ALCATEL |

| Platform | Alcatel 1000 E10 TABASH |
|---|---|
| Manufacturer | ALCATEL |

| Platform | 1660SM |
|---|---|
| Manufacturer | ALCATEL |

| Platform | Alcatel-Lucent 1642 EM / 1642 EMUX Edge Multiplexer |
|---|---|
| Manufacturer | ALCATEL |

| Platform | 1678 MCC |
|---|---|
| Manufacturer | ALCATEL |

| Platform | Nokia 7750 SR / 7950 XRS |
|---|---|
| Manufacturer | ALCATEL |
| Key Features | 8x Fast Ethernet switch ports; Ethernet-over-SDH transport; Compatible across 1660SM/1670SM/1678MCC/1662SMC |
|---|---|
| Applications | Packet/Ethernet transport over SDH rings; Data services overlay on legacy SDH networks; 1660SM platform expansion |
| Compatibility | Alcatel-Lucent 1660SM; Alcatel-Lucent 1670SM; Alcatel-Lucent 1678MCC; Alcatel-Lucent 1662SMC |
| Specifications | ISA-ES1 8FE Ethernet switch module; 8x Fast Ethernet ports; SDH platform card format |
| Platform | 1660SM/1670SM/1678MCC/1662SMC |
| Manufacturer | ALCATEL |
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