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Features
F
EATURES
•
DS1 and HDSL status LEDs
•
HDSL margin threshold indicator
•
RS-232 Craft port for connection to a maintenance terminal
•
ANSI T1.403 DS1 Customer Interface (CI)
•
Generic and addressable repeater loopback activation codes
•
Metallic SmartJack loopback.
•
Provisioning switches for Customer Premises Equipment (CPE) current,
Receive (RCV) Level and XMT LOS (TLOS) initiated loopback and
Alarm Indication Signal (AIS)
•
Line or local power options
•
Optional sealing current
•
Supports three-span line powering
•
CPE current monitor test points available on PC board
•
Lightning and power cross protection on HDSL and DS1 interfaces
•
784 kbps full-duplex 2-Bits–1–Quaternary (2B1Q) HDSL Transmission
on two pairs
•
DS0 blocking
•
Conforms to High-density 3192 STS mechanics
The HRU-419 is an HRU-419 List 8 unit for STS-3192 High-density
mechanics. However, the HRU-419 List 1 does not support the following
HRU-419 List 8 features:
•
Front Panel DS1 Test Jacks
•
Protection switching
•
Front panel CPE current monitor
2
September 25, 1998
150-419-100-03>
HRU-419 List 1
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