Issue 1, Section 150-231-134
Revision 01
Page 3
DSX-1 Pulse Output
12 V
pk-pk
for EXTERNAL equalizer or pre-equalized
for 0-655 feet of ABAM-specification cable
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
Maximum Power Consumption
18 Watts (without doubler), 25 Watts (with List 3,
HDU-451 doubler)
Maximum Heat Dissipation
8 Watts (without doubler), 9 Watts (with List 3,
HDU-451 doubler)
Fusing-Internal
Connected to “FUSE-ALARM” output on pin 32
Span Voltage
-130 to -210 VDC
Margin Indicator
Displays span SNR margin for both spans relative
to 10
-7
BER operation
Electrical Protection
Secondary surge protection on DS1 and HDSL
ports. Power cross protection on HDSL ports.
Operating Temperature and Humidity
-40º to 65º Celsius, 5% to 95% relative humidity
(non-condensing)
Mounting
AT&T 220-configuration or equivalent
Dimensions
Height:
5.9 in. (15 cm)
Width:
1.4 in. (3.5 cm)
Depth:
10 in. (25.4 cm)
4. CERTIFICATION
4.01
FCC compliance: The HLU-231 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 to be fully functional
for a period of 24 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 found to be defective for any reason other
than abuse or improper use or 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 voids 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.
(800) 638-0031
