Comtech EF Data SDM-309B - Manual (Page 111)

M&C and Interfaces SDM-309B Satellite Modem
4-4–34 MN/U-SDM309B Rev. #
4.2.2.10 Drop & Insert Breakout Panel
The Drop and Insert Breakout Panel supports the use of the drop and insert channel unit
in the SDM-309 modem. Connections between the breakout panel and other equipment
are made through front and rear panel connectors. These connectors are listed in Table 4-
2. The location of these connectors are shown in Figure 4-12.
Table 4-2 Breakout Panel Connectors
Ref
Desig.
Connector Type Name Pinout
Section
J1 15 PIN “D” DROP DATA INPUT 4.2.2.10.1
J2 15 PIN “D” DROP DATA OUTPUT 4.2.2.10.2
J3 15 PIN “D” INSERT DATA INPUT 4.2.2.10.3
J4 15 PIN “D” INSERT DATA OUTPUT 4.2.2.10.4
J5 BNC DROP DATA INPUT 4.2.2.10.5
J6 BNC DROP DATA OUTPUT 4.2.2.10.6
J7 BNC INSERT DATA INPUT 4.2.2.10.7
J8 BNC INSERT DATA OUTPUT 4.2.2.10.8
J9 BNC EXT REF CLOCK 4.2.2.10.9
J10 25 PIN “D” ESC CHANNEL 4.2.2.10.10
J11 TERM. BLOCK FAULTS 4.2.2.10.11
J12 50 PIN “D” DATA INTERFACE 4.2.2.10.12