12
MANUAL P/N 900000111 REV K
2.3
Source Impedance Selection and Signal Termination
Signal/Connector
Connector
Link Setting
Source Impedance
Recommended Load
Impedance
Factory Setting
10 MHz
J1
N/A
50 ohm
50 ohm
N/A
10 MHz
J2
N/A
50 ohm
50 ohm
N/A
10 MHz
J3
N/A
50 ohm
50 ohm
N/A
10 MHz
J4
N/A
50 ohm
50 ohm
N/A
1PPS 1
J5
LK5 on
Low Z
50 ohm
LK5 off
50 ohm
50 ohm
ü
1PPS 2
J6
LK6 on
Low Z
50 ohm
LK6 off
50 ohm
50 ohm
ü
1PPS 3
J9-7
LK7 on
Low Z
50 ohm
LK7 off
50 ohm
1 kohm
ü
Have Quick 1
J7
LK2 on
Low Z
50 ohm
LK2 off
50 ohm
50 ohm
ü
Have Quick 2
J9-3
LK3 on
Low Z
50 ohm
LK3 off
50 ohm
1 kohm
ü
IRIG modulated
J8
N/A
6 ohm
600 ohm
N/A
IRIG DCLS
J9-2
LK3 on
Low Z
50 ohm
LK3 off
50 ohm
1 kohm
ü
Table 3 Source Impedance and Recommended Signal Terminations