The Juniper ERX-OCXA256M-MOD is available from Calhoun Technologies. Calhoun Tech can help your company save up to 80% on IT Hardware. Manufacturer: Juniper Part Number: ERX-OCXA256M-MOD Details: Juniper Erx-Ocxa256M-Mod 4 Port Oc3Stm1 Or 1 Port Oc12Stm4 Or 4 Port T3Ds3 Atm Line