Comtech EF Data SDM-650B - Manual (Page 101)

SDM-650B Satellite Modem Configuration
Rev. 5 3–59
3.6.2.2.1 Modem Settings (Master)
• TX-CLOCK: EXT.
• Install JP1 and JP10 on buffer card (AS/3812).
• Set S3 as required:
Š If using the G.703 2048 kbit/s interface (AS/0679), set SW1-6 and SW1-7 to
open, and the remainder to closed.
Š If using the T1/DS1 1544 kbit/s interface (AS/0569), set SW1-1 to closed for
AMI line coding, and open for B8ZS line coding.
• SW1-2 through SW1-4 should be set as required.