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150-319-205-05, Issue 5
P
RODUCT
®
®
The ADC
HiGain
ELU-319 List 5E and List 6E are the Central Office (CO) side of a repeaterless, G.703 E1
transmission system. When used in conjunction with a HiGain Remote Unit (ERU) the system provides
2.048 Mbps transmission on two unconditioned copper pairs for delivering G.703 E1 High Capacity Digital
Service (HCDS). This line unit can be used in applications with or without EDUs.
The HCDS includes loops up to 3.7 km of 0.51-mm wire or 2.7 km of 0.4-mm wire, including bridged taps. The
HiGain system uses HDSL transmission technology as recommended by Bellcore TA-TSY-001210.
N
F
EW
EATURES
•
Four-span range with three doublers (14.6 km, 0.51 mm /24 AWG)
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Four line-powered spans (three doublers and a remote)
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Low line-power option (140 V) for circuits with a single doubler
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Reduced power consumption
•
Ultra-low wander (Stratum 1 compliant)
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Selectable Power Feed (PWRF) modes: AUTO, HIGH and LOW
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HDSL grounded loop detection
•
BER alarm options
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ERU Loopback screen
•
Inventory Screen (for Circuit ID and unit IDs)
•
Default setting screen option
S
ELU F
TANDARD
•
Front panel features:
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HDSL SNR margin display
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G.703 splitting and bridge access
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Status LED
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RS-232 craft port for connection to a maintenance terminal
•
Compatible with Span Terminating Shelf (STS) high-density shelves
•
Selectable loopback activation codes
•
Network Management and Administration (NMA) interface
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Lightning and power cross protection on HDSL interfaces
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Full duplex 2B1Q HDSL transmission on two pairs each at 1040 kbps
•
Margin threshold alarmELU-319 List 5E and List 6E
ELU-319 List 5E and List 6E
O
VERVIEW
EATURES
January 26, 2000
Product Overview
1
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