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Connecting Your LTM-4x4HDSDI 4x4 HD-SDI / SDI Router
6.2 Controlling via RS-232 (for example, using a PC)
To connect a PC to the LTM-4x4HDSDI unit, using the Null-modem adapter
provided with the machine (recommended):
Connect the RS-232 DB9 rear panel port on the LTM-4x4HDSDI
unit to the Null-modem adapter and connect the Null-modem adapter
with a 9 wire flat cable to the RS-232 DB9 port on your PC
To connect a PC to the LTM-4x4HDSDI unit, without using a Null-modem
adapter:
Connect the RS-232 DB9 port on your PC to the RS-232 DB9 rear
panel port on the LTM-4x4HDSDI unit, as Figure 4 illustrates
Figure 4: Connecting a PC without using a Null-modem Adapter
6.3 Controlling via the RS-485 Port
To cascade up to eight individual LTM-4x4HDSDI units, via RS-485 with
control via a Master Programmable Remote Control system, do the following:
1.
Connect the "A" (+) and "B" (-) PINS on the RS-485 terminal block port
of the Master Programmable Remote Control system to the "A" (+) and "B" (-)
PINS, respectively, on each of the eight LTM-4x4HDSDI units. (If using
shielded twisted pair cable, the shield is usually connected to the "G"
(Ground) PIN of the first unit).
Set the first LTM-4x4HDSDI unit as MACHINE # 1 and the following
2.
seven LTM-4x4HDSDI units as MACHINE # 2 to MACHINE # 8, according
to Table 3.
9
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