C.14 Option 32/33: Internal NTP Server – Obsoleted by Opt34 133
C.14.2 Jumper Settings.
There are five jumpers on Option 32/33. Jumper 1 (JMP1) is determined by the clock model;
Jumper 2 (JMP2) determines board operation with JMP3 and JMP4; Jumper 3 (JMP3) determines
board operation with JMP2 and JMP4; JMP2 and JMP3 always move as a pair; Jumper 4 is used
with configuring NTP servers over the RS-232 port; Jumper 5 sets the board for Option 32 or 33.
See jumper settings in Table C.8.
Jumper Position Option Mode (Rev.B and following) Rev.A Board Modes
JMP1 A Determined by Model 1088B (same)
B Det. by Model 1084A/B/C or 1093A/B/C (same)
JMP2 A NTP Server(s) (same)
B Clock serial port (same)
C Configure NTP Server 1* via RS-232 only (same)
D Configure NTP Server 2* via RS-232 only (same)
JMP3 A NTP Server(s) (same)
B Clock serial port (same)
C Configure NTP Server 1* via RS-232 only (same)
D Configure NTP Server 2* via RS-232 only (same)
JMP4 A NTP Server(s) NTP Configuration
B NTP Configuration NTP Server(s)
JMP5 A Option 33 (same)
B Option 32 (same)
Table C.8: Option 32/33 Jumper Truth Table – *Must set JMP4 into the Configuration mode – “B”
position for Rev B or later boards, “A” position for Rev. A boards.
Figure C.12: Option 32/33 Board, Jumper Locations
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