Section 150-611-100
Revision 02
Page 3
3. SPECIFICATIONS
VHDSL Line Code
1.568 Mbps 2B1Q.
VHDSL Output
+13.5 dBm ± 0.5 dB at 135 ohms.
VHDSL Line Impedance
135 ohms.
Maximum Provisioning Loss
38 dB at 392 kHz, 135 ohms.
Line Clock Rate
Internal Stratum 4 clock.
VHDSL Startup Time
30 seconds (typical), 60 seconds (maximum)
One-way DS1 Delay
<220 microseconds.
DSX-1 Line Impedance
100 ohms.
DSX-1 Pulse Output
12 V pk-pk for EXTERNAL equalizer or pre-
equalized for 0-655 feet of ABAM.
DSX-1 Input Level
+1.5 to -7.5 dB DSX.
DS1 Line Rate
1.544 Mbps ±200 bps.
DS1 Line Format
AMI, B8ZS or ZBTSI.
DS1 Frame Format
ESF, SF or unframed.
Power Consumption
14 Watts (typical), 18 Watts (maximum).
Heat Dissipation
6 Watts (typical), 8 Watts (maximum).
Fusing
Internal; connected to “FUSEALARM” output on
pin 32.
Span Voltage
-170 Vdc maximum.
Margin Indicator
Displays span SNR margin for both spans relative
to 10
-7
BER operation.
Electrical Protection
Secondary surge protection on DS1 and VHDSL
ports. Power cross protection on VHDSL port.
Operating Temperature and Humidity (non-
condensing)
0° to 50º Celsius, 5-95% humidity.
Mounting
AT&T 220 type or equivalent.
Dimensions
Height:
5.9 in.
Width:
1.4 in.
Depth:
10 in.
Weight
1.26 lbs.
4. CERTIFICATION
4.01
FCC compliance: The HLU-611 has been
tested and found to comply with the limits
for a Class A digital devices pursuant to Part 15 of
the FCC rules. These limits are designed to provide
reasonable protection against harmful interference
when the equipment is operated in a commercial
environment. This equipment generates, uses and
can radiate radio frequency energy and, if not
installed and used in accordance with the instruction
manual, may cause harmful interference to radio
communications. Operation of this equipment in a
residential area is likely to cause harmful
interference in which case the user will be required
to correct the interference at his own expense.
5. WARRANTY
5.01
PairGain Technologies warrants this product
to be free of defects and fully functional for a
period of 36 months from the date of original
shipment, given proper installation. PairGain will
repair or replace any unit without cost during this
period if the unit is defective for any reason other
than abuse, improper use or incorrect installation.
5.02
This module should not be field repaired. If
it fails, replace it with another unit and return
the faulty unit to PairGain for repair. Any
modifications of the unit by anyone other than an
authorized PairGain representative will void the
warranty.
5.03
If a unit needs repair, call PairGain for a
Return Material Authorization (RMA)
number and return the defective unit, freight prepaid,
along with a brief description of the problem, to:
PairGain Technologies, Inc.
14402 Franklin Avenue
Tustin, CA 92680
ATTN: Repair and Return Dept.
(714) 832-9922
(800) 638-0031
