Comtech EF Data Vipersat SLM-5650A, Инструкция по установке и эксплуатации

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SLM-5650A Satellite Modem
Revision 10
Appendix D D–11 MN-SLM-5650A
•
Clock Options:
o
Tx Clock = Tx, Rx (satellite), or External
o
Rx Clock = Tx, Rx, External, or Internal
•
Acquisition Range – Programmed Tx data rate
±
100 ppm
•
Test:
o
Baseband Loopback (at interface)
o
Interface Loopback (through interface card)
o
2047 test pattern generator
D.3.2.2 Interfaces
•
G.703 Unbalanced: 1 channel supporting T1/E1, T2/E2, and G.703
o
Connector Type – BNC female
o
Signals Supported – ITU-T-G.703 SD, RD
o
Data Rate –1544, 2048, 6312, and 8448 kbps
o
Tx and Rx Data Rates – Tx and Rx data rates are programmed the same
o
Line Coding – HDB3, B8ZS, B6ZS, HDB3, AMI (Common)
o
Pulse Mask – ITU-T-G.703
o
Impedance – 75
Ω
Unbalanced, 150
Ω
Balanced Per ITU-T-G.703
•
External Clock Input:
o
Connector – BNC female
o
Impedance – 75
Ω ±
5%
o
Return Loss per G.703 – Synchronization XXXXX Interface
o
Input Amplitude – 0.5 to 5.0 V peak to peak
o
Input Frequency – 1, 2, 5, 10, 20, 1.544, 2.048, 6.312, and 8.448 MHz
o
Signal Characteristics – Sine wave or square with duty cycle of 50
±
10%
•
Alarms:
o
Loss of Signal
o
All 1’s
D.3.2.3 Physical and Environmental
•
Physical: 4.5 W x 6.8 D x .85 H inches (11.43 W x 17.27 D x 2.16H cm)
•
Environmental:
o
Temperature – 32 to 122
°
F (0 to 50
°
C)
o
Humidity – 0 to 95% non-condensing