Paradyne CPX-1000 manual T1 Module Path Protection Switching

1000-A2-GN22-00 2. CPX-1000 Voice Services Platform Description

Primary	Primary
Secondary	Secondary
T1 Modules	T1 Modules
(all operational)	(single failure)

		IG #1			IG #1
		IG #2			IG #2
	A. Full Capacity			B. Diminished Capacity
(all TDM modules operational)				(one TDM module failed -
			TDM interface must still be able
			to handle busy hour call volume) 0228

Figure 2–9. T1 Module Path Protection Switching

T1 Modules

IG #1

IG #2

0271

Figure 2–10. T1 Port Failure Protection

Octal T1 Module The Octal T1 module supports eight T1 interfaces to the Class 5 switch.

The T1 module consists of two separate cards (Figure 2–11):

February 2003 2-21