The Juniper ERX-COC12SM-A-IOA is available from Calhoun Technologies. Calhoun Technologies can helped companies like yours save up to 80% on IT equipment. Our experienced and knowledgeable sales executives are ready to provide quick response to your needs for servers, storage and networking equipment. Brand: Juniper Part Number: ERX-COC12SM-A-IOA Details: 1+1Port Chan Oc12Stm4 Sm Ir Ioa.