What is the SM91?
The SM91 is a modem, listed by the manufacturer as "MODEM 3500 STANDALONE DSU 3510-A1-001A W". It is part of Circular Telecom's surplus and refurbished telecom/IT equipment inventory.
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Part Overview
SM91 overview
modemThe SM91 is a modem — originally specified as "MODEM 3500 STANDALONE DSU 3510-A1-001A W" — available refurbished or as surplus stock via Circular Telecom, supporting network operators sourcing decommissioned and reclaimed equipment.
Common Questions
Common questions about SM91
Is the SM91 available refurbished or as surplus stock?
Circular Telecom sources and resells surplus and refurbished network equipment, including parts such as the SM91, subject to current availability. Contact Circular Telecom for a live quote.
Circular Telecom Catalogue