ADC HiGain H2TU-C-319 List 2E Manual

T H2TU-C-319 L 2E
HE IST
® ®
The ADC HiGain product family is the industry's first practical implementation of
High bit-rate Digital Subscriber Line 2 (HDSL2). When an H2TU-C-319 List 2E line
unit is used in conjunction with a HiGain remote unit (H2TU-R), the system provides
1.552 Mbps transmission on one unconditioned copper pair over the full Carrier
Service Area (CSA) range. The CSA includes loops up to 12,000 feet of 24 AWG or
9,000 feet of 26 AWG wire, including bridged taps. These line units can be used with
HiGain regenerators (H2RUs) to extend the CSA range. Regenerator support will be
available in future product enhancements.
F
EATURES
• Front-panel status LED, craft port, and
four-character status display
• Ultra-low wander
• Grounded loop detection
• Three-span range with two regenerators
(36 kft, 24 AWG)
• Metallic test access option
• Flash download of firmware updates
S
PECIFICATIONS
Operating Temperature
Operating Humidity
HDSL2 Span Voltage
Mounting
HDSL2 Line Rate
HDSL2 Output
Maximum Loop Attenuation
DSX-1 Line Rate
DSX-1 Line Format
DSX-1 Frame Format
DSX-1 Pulse Output
DSX-1 Input Level
• Payload or HiGain loopback source identification
• Bit Error Rate (BER) alarm options
• Dual DSX-1 outputs
• HiGain maintenance screens for inventory,
provisioning, troubleshooting, and
performance monitoring
• Performance Report Messaging (SPRM and
NPRM)
• Digital Data Service (DDS) latching loopback
option
-40 °F to +149 °F (-40 °C to +65 °C)
5% to 95% non-condensing
0, -185 Vdc
3192 high-density shelf
1.552 Mbps Overlapped Pulse Amplitude
Modulation Transmission with Interlocking
Spectra (OPTIS)
+16.8 dBm ±0.5 dB, 135 Ω
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)
pk-pk
6 V , pre-equalized for 0 to 655 feet of ABAM
cable
+1.5 to -7.5 dB DSX
I
NSTALLATION
To install the H2TU-C-319, align the H2TU-C with the slot guides, then slide the line
unit into the enclosure. You should hear a snap when the H2TU-C-319 is properly
seated.
P - S
OWER UP EQUENCE
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:
1 While as devices in the system are being acquired the Status LED flashes red.
Once the entire system is operating without any alarms (the T1 signal must be
present), the Status LED illuminates steady green.
The four-character display reports margin (SNR) readings (should be ≥ 6 dB) and
2
loop attenuation (should be <35 dB @196 KHz).
3 If an alarm condition exists after the system powers up, it is reported on the
display. (The H2TU-C reports alarms if no T1 signal is applied.)
P
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.
1 Connect a maintenance terminal to the craft port (see front-panel illustration
CTRL R
inside), then press + to refresh the logon screen, if necessary.
2 Select the Config menu, Date and Time, and type the date and time.
3 Select the Inventory menu and type in the unit ID numbers.
4 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.)
5 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.
Þ
Continued