128 Options List
Pin Function Setup Jumpers–Default Settings
1 (Rightmost) CMOS Output 1 JMP4: Signal Select – Default = 1 PPH
2 Ground –
3 CMOS Output 2 JMP3: Signal Select – Default = 1 PPM
4 Ground –
5 CMOS Output 3 JMP2: Signal Select – Default = Prog. Pulse
6 Ground –
7 CMOS Output 4 JMP1: Signal Select – Default = IRIG-B
8 Ground –
9 Ground –
10 SSR Output 1 JMP5: Signal Select – Default = 1 PPM
11 SSR Output 1 JMP7: Standard/50ms – Default = 50 ms
12 +25/50 VDC 1 JMP10: +25/50 VDC – Default = 50 VDC
13 Ground –
14 SSR Output 2 JMP6: Signal Select – Default = 1 PPM
15 SSR Output 2 JMP8: Standard/50 ms – Default = 50ms
16 (Leftmost) +25/50 VDC 2 JMP11: +25/50 VDC – Default = 50 VDC
Table C.7: Output Connectors and Setup Jumpers
C.13.3 Firmware Configuration
1. It is necessary to verify the configuration in the Option Setup Menu so Option 29 is recognized.
2. Apply power and observe the front panel display, when CLOCK STATUS STARTUP is
displayed, press the SETUP key.
3. Navigate through the series of menu selections, using either the SETUP or UP key, until SET
OPTION BOARD? appears.
4. Press ENTER, and then press the UP key until Option 29 is displayed. Press ENTER.
Remember that the Option 29 is located in Option Slot B of the Model 1088B.
5. Press SETUP to exit from the SET OPTION BOARD configuration.
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