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4. DOWNLOADING THE UTILITY
The software utility is included on the CD provided with the B-120-HDMATRIX and can also be downloaded from
the product page at www.SnapAV.com. Check the site for periodic updates to ensure that the latest version of the
utility is being used.
5. UTILITY FILE LOCATION
The B-120-HDMATRIX software utility is a standalone program that does not require installation. After
downloading the utility, unzip the downloaded file to a location that is easy to remember and locate when needed,
like the example below:
•
C:\My Documents\Binary\B-120-HDMATRIX\ConfigurationUtility
6. COMMUNICATING WITH THE B-120-HDMATRIX
6.1. Serial Connection
The B-120-HDMATRIX and PC communicate over DB9 straight-through serial cable. Before connecting, verify
that the pin configuration of the cable matches the diagram below.
Should the PC not have a built in DB9 connection, a USB to RS-232 adapter may be used, however it is strongly
recommended that firmware updates are not performed using an adapter.
Matrix DB9
Female Connection
5
3 2
B-120-MTRX-230
Pin 2 TxD (Data Transmit)
Pin 3 RxD (Data Receive)
Pin 5 GND
FIGURE 1
PC Serial DB9
Male Connection
2
3
TxD-Rxd
Rxd-Txd
GND
Computer
To
Pin 2 RxD (Data Receive)
To
Pin 3 TxD (Data Transmit)
To
Pin 5 GND
5
5
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