Specifications

SDM-650B Satellite Modem Configuration
Rev. 5 3–17
Table 3-2 lists the jumper settings for the V.35 interface. These jumpers are factory set
for a specific configuration. Clock selections, signal selections, and loop timing can be
changed upon individual needs.
Table 3-2. AS/0627-2 Rev. E Board Jumper Selection
JP1 TX Clock Select Normal
Invert
Auto
(See Note Below)
JP2 Interface Select V.35 (-2) (See Note Below)
JP3 RX Data Normal (See Note Below)
Buffer
JP8 RX Clock Normal (See Note Below)
Buffer
JP4 Address Set 1 (See Note Below)
JP5 Address Set 0 (See Note Below)
JP6 Address Set 1 (See Note Below)
JP7 Address Set 1 (See Note Below)
V.35 (-2)
JP9 CTS to RTS V.35 (See Note Below)
(Processor controller for V.35 and RS-232-C)
JP10 Loop Timing Auto
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 V.35 interface type.