LTPH-TP-1044-01, Issue 1
Appendix A - Specifications
HXU-358 V1.04
April 6, 2001
51
A
PPENDIX
A - S
PECIFICATIONS
DS3 Interface (Multiplexer)
Cable
728 A RG-6/U
Number of duplex lines
1 per chassis
Line rate
44.736 megabits/s ±20 ppm
Line code
B8ZS
Line impedance
75
Ω
±5
Ω
, unbalanced
Pulse amplitude
0.36 V to 0.85 V
(meets TR-TSY-000499 requirements)
Jitter generation
≤
0.3 UI rms
DS3 span buildout
0 to 450 ft. (0 to 137.2 m)
T1 Internal Interface to Backplane
Number of lines
28
Line rate
1.544 megabits/s ±50 ppm
Line code
AMI or B8ZS selectable (per channel)
Line impedance
100
Ω
±5%, balanced
Pulse amplitude
3.0 V ±0.6 V
Jitter generation
<0.3 UI rms (1 UI = 648 ns)
DS1 span
1 to 655 ft. (.3 to 199.6 m)
Cable
ABAM or equivalent
E1 Internal Interface to Backplane
Number of lines
21
Line rate
2.048 Mbps ±130 ppm
Line code
HDB3
Line impedance
120
Ω
±5%, balanced
Pulse amplitude
3.0 V ±0.6 V
Jitter generation
<0.3 UI rms (1 UI = 488 ns)
DS1 span
N/A
Cable
ABAM or equivalent
