G.SHDSL.bis line module to provide transmission rate up to 4096kbps symmetrically in a single pair. It also comes with two 100Mbps Ethernet interfaces toward Ethernet aggregation network. One IES-1000 can accommodate two SAM1216-22 modules to support 32 SHDSL connections. In addition, the SAM1216-22 supports ITU G.991.2 m-pair bonding in a physical layer manner. The m-pair bonding can be 2 or 4 pairs and the aggregated payload rate is around 16Mbps.