Please use the following form to request information.
Please specify your question about E&M (6) 600C (4-3/0-7)U This card consists of six E&M interface circuits software configureable for 2 wire (600 ohm + 2.16 uF) or 4 wire (600) transmission. Type I, II, or III signalling and Mu-law voice companding are supported. This card includes modifi *