Wishlist Quick view CISCO Cisco NIM-4E/M Fourth-Generation Network Voice Interface Module $837.61 $569.80 CISCO - FOURTH-GENERATION NETWORK INTERFACE MODULE - VOICE INTERFACE CARD - NETWORK INTERFACE MODULE (NIM) / 4 ANALOG PORT(S) - FOR CISCO 4451-X (NIM-4E/M). KEY FEATURES : DEVICE TYPE : VOICE INTERFACE CARD - NETWORK INTERFACE MODULE (NIM) FORM FACTOR :... Compare Add to Cart Add to Wishlist