Ciena · Optical Transport & DWDM
Ciena 3920 Service Delivery Switch — 170-3920-901
The 3920 is a managed Carrier Ethernet demarcation and service-delivery switch from Ciena’s 3900 series. It is a compact 1U unit used at the customer edge, combining eight copper gigabit ports with four SFP slots.
Specifications
| Platform | Ciena 3900 Series Service Delivery Switches | Corroborated |
|---|---|---|
| Ports | 8 × GbE 10/100/1000Base-T + 4 × SFP slots (1000Base-X) | Corroborated |
| Total ports | 12 gigabit Ethernet | Corroborated |
| Layer | Layer 3 capable, managed | Corroborated |
| Form factor | 1U rack-mountable or desktop, 17.5″ × 9.4″ × 1.8″, ≈7.94 lb | Corroborated |
| Optics | Standard 1000Base-X SFPs in the four expansion slots | Single source |
Source: Distributor specification tables, cross-checked across two independent sources. Not verified against a Ciena datasheet.
Before you order
This unit is AC-adapter powered. Confirm whether the site requires a DC variant. It is a legacy Nortel-lineage platform, widely available refurbished.
Equipment condition
New — factory-sealed, supplied through the manufacturer's authorised channel or an authorised distributor, with full manufacturer warranty.
New surplus — unused factory stock, original packaging where available, sourced from decommissioned projects or distributor inventory. Manufacturer warranty may have lapsed; CRS PLUS warranty applies.
Refurbished / tested — previously deployed equipment, cleaned, firmware-checked and functionally tested against the manufacturer's specification before shipment. CRS PLUS warranty applies.
Condition is confirmed in writing on every quotation before you commit to an order.
Warranty
Warranty terms vary by item, by condition and by the supplier the equipment is sourced from. They are stated in writing on the quotation, per line item, before you commit to an order.
Where equipment is supplied new through an authorised channel, the manufacturer's warranty applies and is passed to you.
Send us the part numbers you need and we will confirm warranty terms alongside availability, condition, lead time and price.
Manufacturer names, product names and part numbers are the property of their respective owners and are used here for identification purposes only. CRS PLUS sources these products through its verified supplier network and is not an authorised distributor or agent for any manufacturer listed.
Request a quotation for 170-3920-901
Tell us the quantity and destination and we will confirm availability, condition and price — within 72 hours.
Submit an RFQ