ADTRAN NxT1 HSSI/V.35 user manual Write security 4 Read security, Option Module

Chapter 3. Operation

TX PRM

Controls the sending of performance report messaging (PRM) data on the facility data link (FDL). The PRM data continues to be col- lected even if XMIT PRM is turned off (possible only with ESF for- mat). Choose either ON or OFF.

LBO

Write security: 2; Read security: 5

Selects the Line Build Out (LBO) for the network interface. The LBO setting determines the amplitude of the transmitted signal. For short haul (intra-building) applications, choose from the ft options. For long haul (out of plant) applications, choose from the dB options. When you select this item, a list of choices displays. Select the appropriate option.

TEST

Write security: 3; Read security: 5

These options initiate different types of tests and display test results.

PRT

Displays the port number.

LOC LB

Write security: 4; Read security: 5

Causes loopback on near-end (local) port (see Figure 3-3). The fol- lowing options are available:

LINE	Metallic loopback
PAYLD	Payload loopback - framing and
	clocking are regenerated

T1 Port

NI CSU

DS1

Payload Loopback

Line Loopback

	Figure 3-3. T1 Loopback Test Diagram
IMUX MENUS	Read Security: 5
	Contains the inverse muxing configuration parameters for the NxT1 HSSI
	Option Module.

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