HP JF278-61101 - MSR 8-port E1-IMA FIC - 75 ohm module (FIC-IMA-8E1) - Flexible Interface Controller (FIC) with one D68-pin connector that provides eight interfaces supporting the IMA (Inverse Multiplexing for ATM) technology Retail
Cisco PA-A3-8E1IMA - Cisco 7200 Series 8-port ATM Inverse Mux E1 (120 Ohm) Port Adapter Retail $1,499.00