Add to Cart Quick view Cisco Four-Port Serial Network Module MN-4T Cisco Systems Was: $16.50 Was: $35.00 Cisco MN-4T Four-Port Serial Network Module Condition: UsedThis item has been inspected and it is in good condition. 37170 SKU: 37170 Weight: 1.00 LBS Was: $16.50 Was: $35.00 Add to Cart Quick view