Installation; Power-Up Sequence - ADC HiGain H2TU-C-231 List 1 Quick Installation

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NSTALLATION

To ensure proper installation of the H2TU-C-231, align the H2TU-C with the

enclosure slot guides and slide the unit in. When the H2TU-C is properly seated, the

retaining latch snaps closed.

OWER

When the H2TU-C powers up, the four-character display illuminates and reports

status messages.

If the H2TU-C is unable to communicate with the next span device, it displays various

alarm and status messages.

If the H2TU-C is able to communicate with the next span device, the following occurs:

The Status LED flashes red while acquiring each device in the system, and turns

steady green when the entire system is operating with no alarms. (The DS1 signal

must be present.)

The four-character display reports margin (SNR) readings (should be ≥ 6 dB) and

loop attenuation (should be <35 dB @196 KHz).

Any alarm conditions that exist after the system powers up are reported on the

display. (The H2TU-C reports alarms if no DS1 signal is applied.)

ROVISIONING

After installing the H2TU-C, perform these basic provisioning tasks by accessing the

HiGain HDSL2 logon screen. Refer to the onscreen Help menu for navigational aids.

Connect a maintenance terminal to the craft port (see front-panel illustration

inside), then press

Select the Config menu, Date and Time, then type the date and time.

Select the Inventory screen, then type in the unit ID numbers.

Change the settings of any system parameters, if necessary, by selecting the

Config menu, Standard Options or ADC Options. (Configuration options can

also be set from the front panel using the MODE and SEL buttons. See the

"Front-Panel Configuration Options Using MODE and SEL"

Once the H2TU-C is successfully installed and provisioned, access the Monitor,

Performance, or Event Log menu to clear the Performance, Alarm History, or

Event Log screens, or select Master Clear in the Config menu.

EQUENCE

CTRL

to refresh the logon screen, if necessary.

table inside.)

Continued

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