... frame and unframe, 75/120ohm optical standalone and rack mount module optional 8E1 to Ethernet Protocol Converter Overview: Spacecom 8×E1/10 ... takes super-large special-purpose integrated circuits as the core to realize user data accessing via E1 transmission network, so ... -36V~-72V, Power supply ripple: ≤240mVp-p AC voltage: 220VAC±20% 50HZ, Tolerance range: 90V~264V, Power consumption: ≤10W Ambient ...