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			The easy-to-install and easy-to-maintain WATSON systems feature your choice of technology: 
			 
				
					
						|  | WATSON 2, based on 2B1Q technology transmitting 1Mbit/s over 1 pair or 2Mbit/s over 2 pairs |  
						|  | WATSON 5 (G.SHDSL), based on PAM technology transmitting up to 6.0 Mbit/s over 1, 2 or 4 pairs |  
			  
				
					
						|  | 1 pair, 2 pairs or 4 pairs operation. |  
						|  | 2 pairs or 1+1 protected mode operation for full 2Mbit/s service |  
						|  | Transparent or framed E1 service (G.703, G.704, ISDN, PRA) |  
						|  | Nx64kbit/s to full 2Mbit/s service (V.35, V36, X.21) |  
						|  | Dual interface (nx64kbit/s) multiplexed operation |  
						|  | Point to Point, point to multipoint and multiservice functionalities. |  
						|  | Local or remote powering for NTUs and repeaters |  
						|  | Local (e.g. VT 100) or remote (e.g. SNMP) management interface |  |