Comtech EF Data SDM-650B - Manual (Page 97)

SDM-650B Satellite Modem Configuration
Rev. 5 3–55
3.6.1.4 Master/Slave External Station Clock
Figure 3-19 shows the master/slave external station clock configuration diagram.
Note: Clock must be looped externally at slave end. (For RS-422 and V.35, see the note
in the previous example.)
Figure 3-19. G.703 Master Slave Configuration
3.6.1.4.1 Modem Settings (Master)
• TX-CLOCK: EXT.
• Install JP10 on buffer card (AS/3812), and set S3 as required.
• Refer to Table 3-9.
3.6.1.4.2 Modem Settings (Slave)
• TX-CLOCK: EXT.
• Set S3, and install JP11 on buffer card (AS/3812).