Section 150-231-164
Revision 04
Page 10
7. SPECIFICATIONS
HDSL Line Code
784 kbps 2B1Q.
HDSL Output
+13.5 dBm ±0.5 dB at 135 ohms.
HDSL Line Impedance
135 ohms.
Maximum Provisioning Loss
35 dB at 196 kHz,135 ohms.
Line Clock rate
Internal “Stratum 4” clock.
HDSL Start-up Time
30 seconds (typical), 60 seconds (maximum) per
span.
One-way DS1 Delay
<220 microseconds per span.
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-specification cable.
DSX-1 Input Level
+1.5 to -7.5 dBDSX.
DS1 Line Rate
1.544 Mbps ±200 bps.
DS1 Line Format
AMI, B8ZS or ZBTSI.
DS1 Frame Format
ESF, SF or UNFR.
Maximum Power Consumption
18 Watts (without Doubler); 35 Watts (with Doubler).
Maximum Heat Dissipation
8 Watts (without Doubler); 12.5 Watts (with
Doubler).
Fusing
Internal; connected to “FUSE-ALARM” output on pin
32.
HDSL Span Voltage
-130 to -210 VDC.
Margin Indicator
Displays HDSL span SNR margin for both HDSL
spans relative to 10
-7
BER operation.
Electrical Protection
Secondary surge protection on DS1 & HDSL ports.
Power cross protection on HDSL ports.
Operating Temperature & Humidity
-40
°
to +65
°
Celsius, 5 to 95% (non-condensing)
Mounting
AT&T 220-configuration or equivalent.
Dimensions
Height:
5.9” (15 cm)
Width:
1.4” (3.5 cm)
Depth:
10” (25.4 cm)
8. CERTIFICATION
8.01
FCC compliance: The HLU-231 List 6D was
tested and found to comply with the limits for
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 electrical interference in which case the user
will be required to correct the interference at his own
expense.
9. WARRANTY
9.01
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,
improper use, or installation.
9.02
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.
9.03
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
