Nokia DNT2Mi sp/mp user manual Local test loop in a port, Network test loop single-port

Data Network Terminal Single-port and Multiport Operating Instructions

	REMOTE DNT
LOCAL DNT	PORT 1
	DTE
	PORT 2
	DTE
DTE	PORT 3
PORT 2	DTE
DTE
PORT 3
DTE

Figure 29. Local test loop in a port

REMOTE DNT

PORT 1

LOCAL DNTDTE

PORT 2

	DTE
DTE	PORT 3
	DTE
DTE	PORT 2
DTE	PORT 3

Figure 30. Network test loop (single-port)

DTE

DTE

DTE

	REMOTE DNT
LOCAL DNT	PORT 1
	DTE
	PORT 2
Tx Rx	DTE
	PORT 3
PORT 2	DTE
PORT 3

Figure 31. PRBS (29-1) test (transmitter/receiver)

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