Technovision 421VS Operating Guide
Page 7
TECHNICAL SPECIFICATIONS
FUNCTION SWITCH SETTINGS ON MAIN BOARD (DS1)
SWITCH
POSITION #
Function
ON
OFF
(Default)
1
Control Mode
RS232
TTL
2
4 / 2 line select
4-line
2-line TTL
3
Value of bit 1 of
switcher address
Switcher Address
bit 1 = 1
Address
bit 1 = 0
4
Value of bit 0 of
switcher address
Switcher Address
bit 0 = 1
Address
bit 0 = 0
421VS POWER REQUIREMENTS:
16 VDC, 200ma, 2.1 mm connector, and center positive.
CSYNC OUTPUT:
An RCA connector provides the composite sync signal. This signal along with
the vertical switch timing is derived from the video signal on INPUT 1.
CONTROL PORT CONFIGURATION (DB9 male):
Pin#
Description
Pin#
Description
1
Input control line 1
6
Input control line 2
2
Input control line 3
7
Input control line 4
3
RS232 Receive data RX
(INPUT)
8
RS232 Transmit data TX
(OUTPUT)
4
Secondary RX
9
Secondary TX
5
GROUND
AVAILABLE OPTIONS
Part #
Description
421RACK
19" EIA RACK MOUNT KIT
Page 8
Technovision 421VS Operating Guide
