E1/T1
A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
SmartNode 4830 allows you to add packet voice to a network, simultaneously ensuring access routing with native V.35/X.21 synchronous serial connection. Adding of up to eight telephone lines and combining them with Internet and VPN access through a single PPP line or Frame Relay.
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