For M9484C with Option SNC
This topic describes how to make cable connections between Leader and Follower(s) in a multi-instrument setup using the Basic Sync cabling method.
This cabling method uses the rear-panel SClock and Strig connectors of the instrument. You can use this cabling method for any multi-channel system configuration that does not or cannot use the System Sync cabling.
Front Panel Cabling
Remove jumpers from 19.2 GHz ports of each Follower participating in the setup.
If any of the Followers has 2.4 GHz ports, remove jumpers from these ports of each Follower.
Retain jumpers on the 19.2 GHz ports and 2.4 GHz ports on the Leader. The Leader must have 2.4 GHz port if any of the Followers has this port.
Jumper removal and connection should be performed when the VXG is powered off.
Connect the 19.2 GHz Out port of the Leader to 19.2 GHz In port of Follower. If the number of Followers are more than the 19.2 GHz Out ports available on the Leader, then use a 19.2 GHz RF splitter / amplifier.
- An RF splitter can distribute the reference signal to 19.2 GHz In ports on only two Followers.
- An amplifier can distribute the reference signal to 19.2 GHz In ports on more than two Followers.
If any of the Followers has 2.4 GHz In port, then you must connect the 2.4 GHz Out port of the Leader to 2.4 GHz In port of Follower. If the number of Followers with 2.4 GHz In port are more than the 2.4 GHz Out ports available on the Leader, then use a 2.4 GHz RF splitter / amplifier.
- An RF splitter can distribute the reference signal to 2.4 GHz In ports on only two Followers.
- An amplifier can distribute the reference signal to 2.4 GHz In ports on more than two Followers.
Rear Panel Cabling
Remove the jumper between the 100 MHz Out and SClk In ports on each Follower participating in the multi-instrument setup.
Connect the SClk Out port on Leader to SClk In port on Follower <1>.
If there are more than one Follower in the setup, connect the SClk Out port on Follower <1> to SClk In port on Follower <2>.
Connect the STrig Out port on Leader to STrig In port on Follower <1>.
If there are more than one Follower in the setup, connect the STrig Out port on Follower <1> to STrig In port on Follower <2>.
Perform steps 3 and 5 so that all remaining Followers in the setup are connected to their next Follower in the setup.
The order of entries added for Followers in the software GUI must match the cabling order in which you have connected the SClk In and STrig In ports of Followers.
Notes:
In this example, a splitter is not needed as there is only one Follower.
The Follower has a 2.4 GHz port. Therefore, a 2.4 GHz connection is set up between the Leader and Follower. If the Follower does not have a 2.4 GHz port, then this connection is not needed.
Note:
In this example, the Leader has only one 19.2 GHz Out port and one 2.4 GHz Out port. Therefore, splitters have been used to support two Followers.
Notes:
In this example, the Leader has only one 19.2 GHz Out port. As there are more than two Followers, a 19.2 GHz amplifier is used to support all Followers.
All Followers have 2.4 GHz port. Therefore, a 2.4 GHz amplifier is used to provide 2.4 GHz signal to all three Followers.
