EverFocus KS-KBK, Operating Instructions Manual, Page: 79 / 188

Page 29 MNECKSKBK_0350
5.11 Video mu ltiplexer Videotec SP16C
5.11.1 Connexion
5.11.1.1 Cable
KS KBK RJjack 1 RJjack 2 Videotec
SP16C
RS485A White Black RS485A
RS485B Yellow Yellow RS485B
The connection is of the RS485 type (one-way) and the maximum distance between keyboard and multiplexer is
1200 metres.
5.11.1.2 Multiplexer se ttings
The multiplexer can only be set up using the local multiplexer keyboard.
See the respective manual.
5.11.1.3 Keyboard set tings
While the keyboard is being set up, the

submenu should be set as
follows:




Control of a Videotec SP16C multiplexer
Four baud rate values are available.
It is only possible to connect one keyboard to each Videotec SP16C, and therefore the identification number of
the keyboard is of no importance.
5.11.1.4 Operational t est
If the keyboard is connected directly with the multiplexer set up in this way using the cable as indicated above, it
should be possible to switch the input videos immediately:
• press

,

, to select the input videos.
Each command sent by the keyboard corresponds to the lighting up of an LED on the local multiplexer
keyboard.