Select the Inventory menu, 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”...
H2TU-C-319 L The H2TU-C-319 List 1E (H2TU-C) line unit is the Central Office (CO) side of a T1 transmission system. When the H2TU-C is used in conjunction with a HiGain High-bit-rate Digital Subscriber Line 2 (HDSL2) remote unit (H2TU-R), the system provides 1.552 Mbps transmission on one unconditioned copper pair over the full Carrier Service Area (CSA) range.
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Once the H2TU-C is successfully installed and provisioned, access the Monitor or Performance menus to clear the Performance and Alarm History screens to ensure useful data. OOPBACK ESTING Initiate loopback testing from the HiGain HDSL2 Monitor screen or use the MODE and SEL pushbuttons.
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Front-Panel Diagnostic Messages Display Code Description (normal operating messages in bold) A=xx The loop attenuation of the longest (maximum loss) span, measured in dB. The multiplexers of the H2TU-C and H2TU-R are trying to establish synchronization. The multiplexers of the two devices on Span n are trying to establish synchronization with each other, where n is the number of the span.
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