TruePulse would like to purchase MC3F001A1 and UN376F modules for the Lucent 5ESS.

The MC3F001A1, with possible HECI codes CCMQ001, CCMQ011, CCMQ021, or CCMQ026, is a 5ESS MICCD (Micro Code Circuit Pack). The Microcoded circuit pack consists of a carrier pack equipped with components including EPROM(s) which may be programmed. 

The UN376F, HECI code E5PQA4B, Comcode 109161141, is a 5ESS/3B21D DAT Drive. HECI Code E5PQA4B. It can be a substitute for the UN376E.

The duplex-hardwared 3B21D is used for a variety of purposes, including SSP, SS7, billing systems, the Administrative Module (AM).  It is used to load software to the many microprocessors throughout the switch and to provide high speed control functions. It provides messaging and interface to control terminals.

As this product line has been sold multiple times, you may also be familiar with them as the AT&T MC3F001A1 and AT&T UN376F, the Alcatel-Lucent MC3F001A1 and Alcatel-Lucent UN376F, or the Nokia MC3F001A1 and Nokia UN376F.

In addition to the MC3F001A1 and UN376F, TruePulse is interested in other 5ESS modules. We are also looking for modules to other Lucent Central Office platforms, such as the DCSS, the DACS IV, the FT-2000, and the DACS III.  Please let us know what you have.


Updated October 21, 2022

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