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3.2.2 PPS cable
The PPS cable delivers a timing pulse to the Merlin LT.
The PPS cable is a coaxial RF cable. A threaded TNC connector attaches to the connector on the back of the Merlin
LT. A bayonet BNC connector is on the other end. This connects to the source of the PPS output.
3.2.3 Serial cable
The serial cable delivers ZDA timing messages from an external timing source to the Merlin LT unit.
The serial cable attaches to the back of the Merlin LT via a three-pin male Souriau connector. The 9-way D-type
connector on the other end connects to the source of the ZDA output.
See section 6.1.3 for details of the serial cable pin-outs.
Figure 7 PPS cable
Figure 8 Serial cable
