Paradyne U8777, 8779 manual Figure A-2. System Clock Configuration Examples

A. Configuration Options

			LTU
G.703 Port 1	Stratum 1 Clock*
G.703 Port 2
G.703 Port 3			DS0 or DS1
G.703 Port 4			Cross Connect
G.703 Port 5
G.703 Port 6
	Stratum 3 Clock*
G.703 Port 7
	Stratum 3 Clock		DS1 Bypass
G.703 Port 8
			DS1 Bypass
		System Clock Configuration:
		Primary = G.703 Pt1
		Secondary = G.703 Pt7
			LTU
G.703 Port 1	Stratum 1 Clock
G.703 Port 2
G.703 Port 3			DS0 or DS1
G.703 Port 4			Cross Connect
G.703 Port 5
G.703 Port 6
G.703 Port 7
	Stratum 3 Clock		DS1 Bypass
G.703 Port 8
			DS1 Bypass
		System Clock Configuration:
		Primary = G.703 Pt1
		Secondary = Internal
			LTU
G.703 Port 1	Stratum 1 Clock*
			DS1 Bypass
G.703 Port 2
			DS1 Bypass
G.703 Port 3
			DS1 Bypass
G.703 Port 4
			DS1 Bypass
G.703 Port 5
			DS1 Bypass
G.703 Port 6
			DS1 Bypass
G.703 Port 7
			DS1 Bypass
	Stratum 3 Clock*
G.703 Port 8
			DS1 Bypass
		System Clock Configuration:
		Primary = G.703 Pt1
		Secondary = G.703 Pt8
* Must be traceable to the same clock source

			LTU
G.703	Port 1
G.703	Port 2
G.703	Port 3		DS0 or DS1
G.703	Port 4		Cross Connect
G.703	Port 5
G.703	Port 6
G.703	Port 7
			DS1 Bypass
G.703	Port 8
			DS1 Bypass
		System Clock Configuration:
		Primary = Internal
		Secondary = Internal
			NTU
DSL Port 1
DSL Port 2
DSL Port 3			DS0 or DS1
DSL Port 4			Cross Connect
DSL Port 5
DSL Port 6
DSL Port 7
			DS1 Bypass
DSL Port 8
			DS1 Bypass
		System Clock Configuration:
		Primary = DSL Pt1
		Secondary = DSL Pt2
			NTU
DSL Port 1
			DS1 Bypass
DSL Port 2
			DS1 Bypass
DSL Port 3
			DS1 Bypass
DSL Port 4
			DS1 Bypass
DSL Port 5
			DS1 Bypass
DSL Port 6
			DS1 Bypass
DSL Port 7
			DS1 Bypass
DSL Port 8
			DS1 Bypass
		System Clock Configuration:
		Primary = DSL Pt1
		Secondary = DSL Pt2
		02-16650-01

Figure A-2. System Clock Configuration Examples

8700-A2-GB20-40 May 2002 A-17