188
Options List
B.12
Four BNC Connectors
B.12.1
General Description
This section describes the BNC output connectors option; which is used in the Arbiter Systems Model 1200B
and Model 1201B/C GNSS Synchronized Clocks. This option is installed in the AUX. Board option slot.
BNC Output Connectors Option
The BNC output connectors option provides the clock with three BNC output connectors and one BNC
input connector. The three BNC outputs are connected in parallel with the existing pluggable terminal strip
outputs, while the fourth connector provides a BNC event/deviation input, and cannot be configured as an
output. The standard pluggable terminal strip outputs are still usable, but both connectors now share the
drive capability.
Physical Configuration
The connectors are mounted on an option plate connected to the rear panel with four M3 Kepnuts and
connected to the main board with a five-pin connector (J3). The signals on the output are (when viewing
the rear of the clock):
Figure B.39: Four BNC Connectors, Rear-Panel Layout