
12713140-003-2 Revision E.01 – January 2007
SSU-2000e Technical Reference 329
Chapter 9 Specifications
SSU-2000e Shelf Specifications
Output Signal Specifications
Table G-6
details the input signal specifications.
Jitter and Wander Tolerance
Meets the requirements of ITU-T G.823
Input Error Threshold
0 to 255 Intervals per hour (AIS, LOS, LOF, BPV, CRC)
Type
G.703 Sec. 9 Framed E1
Input Termination
External
Clock Inputs
Frequency
1 | 1.544 | 2.048 | 5 | 10 MHz (user-selectable)
Wave Shape
Sine or Square wave
Amplitude Range
1.5 to 10 V peak-to-peak
Input Error Threshold
0 to 255 intervals per hour (LOS)
Input Impedance
50 | 75 | 100 | 120 | 3300
Ω
(user-selectable)
Table 9-6. Output Signal Specifications
Parameter
Specification
DS1 Signals
Framing (user selectable)
Outputs: D4/Super Frame (SF) or Extended Super Frame (ESF)
Pulse Amplitude
2.4 to 3.6 V peak into 100
Ω
Output Jitter
< 0.03 UI
Signal Waveshape
Rise Time
Pulse Width
Pulse Interval
Duty Cycle
Framed, all ones, Alternate Mark Inversion (AMI) per (ANSI) T1.102
and ITU Rec. G.703
< 100 ns
< 324 ns, nominal
648 ns, nominal
50%
Number of Outputs
20 per module
Termination Impedance
100
Ω
± 5%
Table 9-5. Input Signal Specifications (Continued)
Parameter
Specification
Содержание SDU-2000e
Страница 10: ...Table of Contents 10 SSU 2000e Technical Reference 12713140 003 2 Revision E 01 January 2007 ...
Страница 242: ...Chapter 4 NTP and SNMP SNMP Protocol 242 SSU 2000e Technical Reference 12713140 003 2 Revision E 01 January 2007 ...
Страница 354: ...Index Z Z 354 SSU 2000e Technical Reference 12713140 003 2 Revision E 01 January 2007 ...