Technical Specifications
150-451-104-02, Revision 02
28
September 18, 1998
HDU-451 List 4
T
ECHNICAL
S
PECIFICATIONS
HDSL Line Code
784 kbps, 2B1Q full duplex
HDSL Output
+13 dBm ±0.5 dB @ 135 ohms
HDSL Line Impedance
135 ohms
HDSL Line Input DC
resistive signature
330 kilohms
HDSL Line Output DC
resistive signature
25 ohms
Maximum Provisioning Loss
35 dB @ 196 kHz, 135 ohms
Line Clock Rate
Internal Stratum 4 clock
HDSL Startup Time
15 seconds (typical), 30 seconds
(maximum)
Power Consumption
6 watts (maximum)
Electrical Protection
Secondary surge and power cross protection
on all HDSL ports.
Operating Temperature and
Humidity (non-condensing)
-40° to +149° F (-40° to + 65° Celsius),
5 to 95%
Operating Temperature in
Outside Enclosures
Complies with Section 10.2.1.3 of
TA-NWT-001210. (See
)
Operating Elevation
200 feet below sea level to 13,000 feet above
sea level.
Mounting
Single-width, 400-type mechanics.
Dimensions
Height: 5.6 in (14.22 cm)
Width: 1.4 in (3.5 cm)
Depth: 5.6 in (14.22 cm)
Weight
0.81 lb. (0.37 kg)