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technician101 · July 23rd, 2004, 02:11 PM

Your best bet is a stratum 5 clock source. ISDN PRI requires an S5 so it is always a good choice. Next best would be a long distance T1 as they always :devil: provide S5. I would not reccomend a local T1 as it may not connect to a stratum 5 clock. Straight T1 service does not require S5 clocking so it may only route to lower level clock.

July 23rd, 2004, 02:11 PM	#7 (permalink)
technician101 PBXtech SILVER 25+ posts Join Date: May 2004 Posts: 33	Re: Which T1 should i clock from? Your best bet is a stratum 5 clock source. ISDN PRI requires an S5 so it is always a good choice. Next best would be a long distance T1 as they always :devil: provide S5. I would not reccomend a local T1 as it may not connect to a stratum 5 clock. Straight T1 service does not require S5 clocking so it may only route to lower level clock.