Microwave Radio Communications SCM4000, Technical Reference Manual, Page: 265 / 274

Symbol Rate Calculations C-7 SCM4000 Technical Reference Manual
Table C-5: Bit Rate Calculation Worksheet
Standard Data
Channel Interfaces
Standard Rates
Data Channel Interface
Summary
Rates
T1/E1 1
10/100 1
T1/E1 2
10/100 2
ASI 1
DS3/E3
ASI 2
DS3/E3
ASI 3
SMPTE
RS-232/
RS-485
T1 1.544
E1 2.048
Ethernet 10/100 1-90
(12.5 Recommended) Variable
SMPTE 19.392658
ASI (Typically <45) Variable
DS3 44.736
E3 34.368
RS-232 (0.115 Mb/s)
RS-485 (8.0 Mb/s)
0.115 Mb/s
8.0 Mb/s
Total
___________
Symbol Rates:
Desired total bit rate (in
Mb/s) = QPSK 16QAM 32QAM 64QAM
Symbol Rates (from
Table C-4) ________________________ ___________________ _____________________ _____________________
Symbol Rate must be
between 500 kb/s and
19.5 Mb/s
Valid / Invalid Valid / Invalid Valid / Invalid Valid / Invalid