Specifications

SDM-650B Satellite Modem Configuration
Rev. 5 3–11
Table 3-1. AS/0627-3 Rev. E Board Jumper Selection
JP1 TX Clock Select Normal
Invert
Auto
JP2 Interface Select V.35 (-2)
MIL-STD-188/RS-232-C (-3)
(See Note Below)
JP3 RX Data Normal (See Note Below)
Buffer
JP8 RX Clock Normal (See Note Below)
Buffer
JP4 Address Set 0 (See Note Below)
JP5 Address Set 0 (See Note Below)
JP6 Address Set 1 (See Note Below)
JP7 Address Set 1 (See Note Below)
MIL (-3)
JP9 CTS to RTS V.35 (Processor controller for
V.35 and RS-232-C)
MIL-STD-188/RS-422
(See Note Below)
(Hard loops CTS to RTS)
JP10 Loop Timing REM
ON
OFF
(See Note Below)
JP11 ASYNC Clk Syn (-5) Cut Shorts
JP12 SCT 1 to 2 Invert
2 to 3 Normal
(See Note Below)
JP13 RD 1 to 2 Invert
2 to 3 Normal
(See Note Below)
JP14 RR 1 to 2 Invert
2 to 3 Normal
(See Note Below)
JP15 DM 1 to 2 Invert
2 to 3 Normal
(See Note Below)
JP16 SD 1 to 2 Invert
2 to 3 Normal
(See Note Below)
Note: Factory jumper settings for MIL-STD-188/RS-422 interface type.
These jumpers are factory set for each given configuration, and should not be changed.
This list is supplied for troubleshooting purposes only.