V
C1
C1P H2LXC
ERSIONS
AND
The Versions C1 and C1P H2LXC Modules are HDSL2 plug-in units that install in a
Soneplex Broadband Chassis or Soneplex Loop Extender Chassis. When used in
conjunction with an H2LXR (HDSL2 Loop Extender Remote Unit) Module, the
system provides 1.544 Mbps full-duplex transmission on one unconditioned copper
pair over the full Carrier Service Area (CSA) range. The CSA includes loops of up to
12,000 feet on 24 AWG wire or 9,000 feet on 26 AWG wire, including bridged taps.
F
EATURES
• 1.544 Mbps full-duplex transmission on one
unconditioned copper pair.
• AMI or B8ZS line code detection.
• Status Light Emitting Diodes (LEDs) for Digital
Signal Level 1 (DS1) and HDSL2.
• Detects and retires power oscillations.
• Provides -190 Vdc or ±130 Vdc line power.
• Version C1P H2LXC supports 1+1 facility line
protection switching when connected to a
Version C1P H2LXR.
S
PECIFICATIONS
Operating Temperature
-40 °F to +149 °F (-40 °C to + 65 °C)
Operating Humidity
5% to 95% non-condensing
Input Voltage
-48 Vdc (nominal)
Power Consumption
7.8 Watts
Line Power Output
-190 ±8 Vdc without repeaters or ±130 ±7 Vdc with repeaters
Electrical Protection
Secondary surge and power cross-protection on all DS1 and HDSL2 ports
Mounting
Soneplex Broadband or Loop Extender Chassis
HDSL2 Line Code
16 level PAM (OPTIS)
+16 dBm ±0.5 dBm, 135 Ω
HDSL2 Output
35 dB, 135 Ω
HDSL2 Maximum
Provisioning Loss
DS1 Equalization
0 to 655 feet in 133 foot increments
DS1 Line Rate
1.544 Mbps ±200 bps
DS1 Line Format
Alternate Mark Inversion (AMI) or Bipolar 8 Zero Substitution (B8ZS)
DS1 Frame Format
Extended SuperFrame (ESF), SuperFrame (SF), UNFRAMED, Ft Only
(SLC framing), or AUTO (detects and adapts current frame format)
• Supported by Shelf Controller Unit (SCU)
software version 3.5 (or later).
• Ultra-low wander (0.26 UI)
• Provides the dual loop-back feature.
• Lightning and power cross-protection on
HDSL2 and DS1 interfaces.
• Supports RAI-CI and AIS-CI when Version C1
is connected to a Version C1N H2LXR.
• AUTO, Unframed, Ft, SF, or ESF frame format.
• 24 kft range with one repeater (24 AWG).
I
NSTALLATION
1
Align the module with the enclosure slot guides and slide the module in until it
touches the backplane connector.
2
Raise the extraction lever at the bottom of the front panel to press the module into
the backplane connector.
P
-
S
OWER
UP
EQUENCE
When the H2LXC powers up, the following occurs:
1
The STAT LED briefly turns red then yellow, indicating that the power is on and
that the self-test diagnostics is beginning. The remaining LEDs momentarily turn
yellow, then turn off.
2
The front-panel LEDs appear as follows upon successful completion of the
self-test diagnostics (refer to
Table
1):
•
STAT - Displays green
•
RMT/HSKP - Off
•
LPBK - (usually) Off
•
DS1 LOS/BER - Off, red, or yellow (see
•
HDSL2 LOSW/BER - Initially displays red, then displays flashing green
until loops are synchronized.
Table 1
for detailed information).
Þ
Continued
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