Racal Instruments 1260-100X X Series, Руководство пользователя

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1260-X138 User Manual
Racal Instruments
©
2005 Installation Instructions 2-13
Pin
Mux Channel
High Low
N/A* Reserved #0 COM E1 ---
N/A* Reserved #1 COM E9 ---
N/A* Reserved #2 COM E17 ---
N/A* Reserved #3 COM E5 ---
N/A* Reserved #4 COM E13 ---
N/A* Reserved #5 COM E21 ---
N/A* Reserved #6 COM E25 ---
N/A* Reserved #7 COM E28 ---
--- AFGND E4 ---
--- AFGND E8 ---
--- AFGND E12 ---
--- AFGND E16 ---
--- AFGND E20 ---
--- AFGND E24 ---
--- CHASSIS GND** E31 ---
--- CHASSIS GND** E32 ---
Notes:
AFGND provides three ground planes used to shield all MUX signals on PCB.
AFGND pins shall be used as CHASSIS GND if it used as the primary shielding for the MUX signals.
CHASSIS GND pins shall be used if AFGND is used as the primary shielding and is tied to the customer’s ground.
*Pins E1, E5, E9, E13, E17, E21, E25, and E28 are reserved for future use.
**CHASSIS GND pins are connected to the AFGND via a 1500pf 2KV capacitor.