150-512-100-03, Revision 03
Specifications
HRU-512 List 1
September 25, 1998
29
S
PECIFICATIONS
HDSL Line Code
784 kbps 2B1Q full duplex
HDSL Output
+13 dBm ± 0.5 dB at 135
Ω
HDSL Line Impedance
135
Ω
HDSL Line DC resistive
signature
180 k
Ω
across Tip and Ring
Maximum Provisioning Loss
35 dB at 196 kHz, 135
Ω
Line Clock Rate
Internal Stratum 4 clock
HDSL Startup Time
15 seconds (typical), 60 seconds (maximum)
One Way DS1 Delay
<220 microseconds
DS1 Line Impedance
100
Ω
DS1 Pulse Output
0 dB (LBO=0), -15 dB (LBO = -15)
DS1 Input Level
>-22.5 dB
DS1 Line Rate
1.544 Mbps ± 200 bps
DS1 Output Wander
(MTIE and TVAR)
Compliant with Section 7.2.1 of the
T1X1.3/90-026R7 SONET committee report.
DS1 Line Format
AMI or B8ZS
DS1 Frame Format
ESF or SF
Power Consumption
7 Watts (maximum)
Electrical Protection
Secondary surge and power cross protection on
all DS1 and HDSL ports
Operating Temperature and
Humidity (non-condensing)
-40º to +65º C, 5-95% humidity
Mounting
Single wide 400 type mechanics
Dimensions
Depth:
5.6” (14.22 cm)
Height:
5.6” (14.22 cm)
Width:
1.4” (3.5 cm)
