H2TU-R-402 L
®
The HiGain
High bit-rate Digital Subscriber Line 2 (HDSL2). When an H2TU-R-402 List 4
remote unit is used in conjunction with a HiGain HDSL2 line unit (H2TU-C), the
system provides 1.552 Mbps transmission on one unconditioned copper pair over the
full Carrier Service Area (CSA) range. The CSA includes loops of up to 12,000 feet
of 24 AWG or 9,000 feet of 26 AWG wire, including bridged taps.
F
EATURES
• Front-panel status LEDs and craft port
• Performance Report Messaging (SPRM and
NPRM)
• Local or line powered
• Blockage Indicator History
• Loss of Signal (LOS)/Alarm Indication Signal
(AIS) payload alarm option
• Remote provisioning through TL1 FDL or
11-bit payload commands
S
PECIFICATIONS
Operating Temperature
Operating Humidity
Line Power Consumption
Electrical Protection
Mounting
HDSL2 Line Rate
HDSL2 Output
DS1 Pulse Output
Maximum Provisioning Loss
DS1 Line Rate
DS1 Line Format
DS1 Frame Format
4
IST
HDSL2 product family is the industry's first practical implementation of
• Bit Error Rate (BER) alarm options
• Bipolar Violation Transparency (BPVT)
options
• DS1 Sectionalized Event Log
• Ultra-low wander
• Payload or HiGain loopback source
identification
• HiGain HDSL2 maintenance screens
for remote provisioning, performance
monitoring, inventory, and troubleshooting
-40 °F to +149 °F (-40 °C to + 65 °C)
5% to 95% non-condensing
5 Watts
Secondary surge and power cross protection on
all DS1 and HDSL2 ports
Any 400 or 200 mechanics shelf
1.552 Mbps Overlapped Pulse Amplitude
Modulated Transmission with Interlocking
Spectra (OPTIS)
+16.5 dBm ±0.5 dBm, 135 Ω
0 dB, -7.5 dB, -15 dB
35 dB at 196 KHz, 135 Ω
1.544 Mbps ±200 bps
Alternate Mark Inversion (AMI) or Bipolar with
8-zero Substitution (B8ZS)
Extended SuperFrame (ESF), SuperFrame (SF),
or Unframed (UNFR)
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