Generating Automatic Protection Switch Messages

Selecting Test Features

Generating Automatic Protection

Description You can program the K1 and K2 bytes to exercise the APS functions for Both LINEAR (ITU-T G.783) and RING (ITU-T G.841) topologies.

HOW TO:	1	Set up the SONET transmit interface and payload required. See
		"Setting SONET Transmit Interface " page 4.
	2	Choose the ITU-T TOPOLOGY required.
	3	Choose the message to be transmitted.
		If LINEAR topology is chosen, choose the CHANNEL, the BRIDGED
		CHANNEL NO., the ARCHITECTURE and the RESERVED bits you
		require.
		If RING topology is chosen, choose the DESTINATION NODE ID, the
		SOURCE NODE ID, the type of PATH and the status code (K2 Bits 6-
		>8)
		The current TX and RX, K1 and K2, values are displayed for reference
		only.

4Choose

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to transmit the new K1/K2 values.