SPLITMUX Quad Screen Video Splitter35Figure 31- RS232 connection with Matrix-Y-1 cableFigure 32- Pinout of Matrix-Y-1 cableRS232 Command ProtocolCPU controller commands supported by the unit are defined below. All commands must be terminated with a (carriagereturn). When a command is sent, the entire string is echoed back along with a response from the addressed unit as shown in theCommand Definitions table (below). All characters in the command string are case sensitive (see Command Definitions table),and all numbers below 10 must have a leading 0 (ex: 1 = 01).Legend:(All numbers must be two digits)SA : Serial Address (01-15)br : Baud Rate Codeip : Input Port (01-04) : Carriage Return (Hex 0xD)mode : 01 = FULL, 02 = QUAD, 03 = PIP, 04 = CUSTOM(Unit #1) (Source)2 33 35 5 52 278146JumperJumpersNot connected tosource connector(Unit #2)9D Female9D Male 9D MaleWiring Schematic of Matrix-Y-1 cableNTISWITCHCPURS232First UnitNTISWITCHRS232NTISWITCHRS232Second Unit Last UnitRS232Serial Port Matrix-Y-1 Matrix-Y-1 Matrix-Y-1RJ45TO DB9SERIALADAPTERRJ45TO DB9SERIALADAPTERRJ45TO DB9SERIALADAPTERCAT5 CABLE CAT5 CABLE CAT5 CABLENote: The maximum combinedRS232 cable length between theCPU and any NTI switch cannotexceed 15 feet.
