The Cisco 10-2146-01 is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Cisco Part Number: 10-2146-01 Details: Cisco 10-2146-01 2/1Gb 10-2146-01 Ds-Cwdm-1550 Sfp 80Km 1550Nm Long Wave Cisc