Videotec DCJ - Manuale (Pagina 168)

Page 36 MNVADCJ01_0543
5.7 Switchers Linxs LXRPS42A and LXRPS82A
5.7.1 Description
Switchers LXRPS42A and LXRPS82A are products for professional use in applications for security and
surveillance and dedicated to the management of video signals. The LXRPS42A and LXRPS82A models differ
only in the number of possible video input connections, 8 and 4 respectively; there are two video outputs, one of
which can be managed directly by a VCR. They are used to control the usual switching, alarm management and
on screen menu programming operations. Refer to the switcher manual for further information on this subject.
5.7.2 Connection
5.7.2.1 Cable
The communication cable is standard, as described in § 3.3 - Standard connection cable, page 12.
5.7.2.2 Switcher set tings
The baud rate of the switcher can be selected using the bump contact JP1 inside the switcher:
• bump contact open: 9600 baud (default status)
• bump contact shorted: 1200 baud
Operations to modify the baud rate should be carried out after disconnecting the power supply to the switcher.
Refer to the respective manual.
5.7.2.3 Keyboard se ttings
While the keyboard is being set up, the RRQRR submenu should be set as
follows:
RRRP
<3,D Q
5272*2UDS1;6
(8+5(7,D%"
Control of a LXRPS42A matrix
the baud rate is normally 9600 baud
RRRP
<3,D$Q
5272*2UDS1;6
(8+5(7,D%"
Control of a LXRPS82A matrix
the baud rate is normally 9600 baud
Even in the presence of more than one keyboard connected to the switcher, the identification number of each
keyboard is of no importance.
5.7.2.4 Operational test
If the keyboard is connected directly with the switcher set up in this way using the telephone cable supplied, it
should be possible to switch the input videos immediately:
• press ! to select monitor 1
• press ! , " , to select the cameras.