Leaf True HDMI LHDMI66P User Manual

Leaf LHDMI44 manual
Page 9
Of 19
2.6 RS232 Serial Control connectors
The unit can be controlled by serial commands through the RS232 input port. Typically
this would be connected to a control system with a straight through DB9 Male to
Female RS232 lead. Some control systems may require only the TxD, RxD and Gnd
wires of an RS232 lead to be connected. The pin configurations of these 3 connections
on the DB9 plug is: TxD = Pin 2, RxD = Pin3, Gnd = Pin5.
2.6.1 Single LHDMI44 use
The RS232 Input port is used for controlling the unit.
The TERM (Termination) switch (ref: para 2.8) must be set to ON (Up).
2.6.2 Multiple LHDMI44 use
Multiple units can be chained together and addressed on the same RS232 link
by connecting the RS232 thru (out) port on one unit to the RS232 input port of
the next unit.
The last unit in the chain must have the TERM (Termination) switch (ref:para 2.8)
set to ON (Up), while all other units in the chain must have this switch set to OFF
(Down). The RS232 Input port is used for controlling the units.
2.7 Bank Select Switch
The 16 position rotary BANK switch selects the RS232 bank address for the unit
as per the following Bank Select Table.
BANK SELECT
SWITCH
LHDMI44 OUTPUT ADDRESS
(ZONE NUMBER)
Position
Physical
Logical
Hex
0
1 to 4
0 to 3
00h to 03h
1
5 to8
4 to 7
04h to 07h
2
9 to 12
8 to 11
08h to 0Bh
3
13 to 16
12 to 15
0Ch to 0Fh
4
17 to 20
16 to 19
10h to 13h
5
21 to 24
20 to 23
14h to 17h
6
25 to 28
24 to 27
18h to 1Bh
7
29 to 32
28 to 31
1Ch to 1Fh
8
33 to 36
32 to 35
20h to 23h
9
37 to 40
36 to 39
24h to 27h
A
41 to 44
40 to 43
28h to 2Bh
B
45 to 48
44 to 47
2Ch to 2Fh
C
49 to 52
48 to 51
30h to33h
D
53 to 56
52 to 55
34h to 37h
E
57to 60
56 to 59
38h to 3Bh
F
61 to 64
60 to 63
3Ch to 3Fh
Table 2: BANK SELECT TABLE

Leaf True HDMI LHDMI66P Specifications

General

Brand	Leaf
Model	True HDMI LHDMI66P
Category	Matrix Switcher
Language	English