Table 3-2. As/0627-2 Rev. E Board Jumper Selection - Comtech EF Data SDM-650B Installation And Operation Manual

SDM-650B Satellite Modem
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.
Note: Factory jumper settings for V.35 interface type.
Rev. 5

Table 3-2. AS/0627-2 Rev. E Board Jumper Selection

JP1 TX Clock Select
JP2 Interface Select
JP3 RX Data
JP8 RX Clock
JP4 Address Set
JP5 Address Set
JP6 Address Set
JP7 Address Set
JP9 CTS to RTS
JP10 Loop Timing
JP11 ASYNC Clk Syn (-5)
JP12 SCT
JP13 RD
JP14 RR
JP15 DM
JP16 SD
Normal
Invert
Auto
V.35 (-2)
Normal
Buffer
Normal
Buffer
1
0
1
1
V.35 (-2)
V.35
(Processor controller for V.35 and RS-232-C)
Auto
ON
OFF
Cut Shorts
1 to 2 Invert
2 to 3 Normal
1 to 2 Invert
2 to 3 Normal
1 to 2 Invert
2 to 3 Normal
1 to 2 Invert
2 to 3 Normal
1 to 2 Invert
2 to 3 Normal
Configuration
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
(See Note Below)
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