Specifications
CTCSS In
J1
Output #3
PTT Output
COR Input1
2
3
6
Port 3
Repeater PTT
Port R
Port 1 COR
Port 2 COR
Port 3 COR
Port 1
Port 2
Port 3
J4
16
15
14
Ground
18
7
8
9
Ground
Ground
+12 Volts
6
Port 1
J3
9
2
COR Input
+12 Volts
Output #1
3
CTCSS In
8
PTT Output
Ground
1
7 Ground
6
Port 2
J2
9
2
COR Input
+12 Volts
Output #2
3
CTCSS In
8
PTT Output
Ground
1
7 Ground
22
CTCSS Out
CTCSS Out
Port 1 PTT
Port 2 PTT
Port 3 PTT
Option Pull Up
Resistors
1, 10, 23, 24, 25
+12 Volts In
2
Control Lines
Output #2
19
20
21
Output #1
Output #3
17
Repeater COR
Port 1 COR Polarity
Port 2 COR Polarity
Port 3 COR Polarity
Port 1 - Xcvr / Rpt
Port 1 Priority Enable
CAT-300 Mode Enable
Port 2 - Xcvr / Rpt
Port 3 - Xcvr / Rpt
24
MAX335 Audio Switch
2
23
4
Octal Audio Switch
21
Data In
3
Enable
Clock
1
1
~Reset
2
23
4
Octal Audio Switch
21
3
24
MAX335 Audio Switch
100-mA Current Limit Capability
for each output.
Port R
12
Port R
Force On
U2
U8
R12
12 MHz
Resonator
Y1
J5
9000-013 A
RLS -1000 Port Switch
Computer Automation Technology, Inc.
Fort Lauderdale, Florida
B
1 2
Title
Size Doc ument Number Rev
Date: Sh e e t of
+5 Volt
+12 Volt
+12 Volt
+12 Volt +5V -5V
-5V+5V
-5V+5V
+5 Volt
+5V
C8
.1uf
R35
+
C5
10uf
1
2
3
CR2
1N4148
U6
AT89C51/LCC
10
20
21
35
2
3
4
5
6
7
8
9
24
25
26
27
28
29
30
31
11
13
14
15
16
17
18
19
43
42
41
40
39
38
37
36
33
RST
XTAL2
XTAL1
EA
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P3.1
P3.2
P3.3
P3.4
P3.5
P3.6
P3.7
P0.0
P0.1
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
ALE
CR3
1N4148
U9
TPIC6C595
3
4
5
6
11
12
13
14
2
15
7
8 9
10
D0
D1
D2
D3
D4
D5
D6
D7
S In
SRCK
CLR
G S Out
RCK
R36
10K
C7
.1uf
U4
LM340T-5.0
1 3
2
IN OUT
GND
SW1
SW DIP-8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
U5
DS1232
1
2
3
7
5
6
RST
TD
TOL
ST
RST
RST
U10
ULN2804
1
2
3
4
5
6
7
8
18
17
16
15
14
13
12
11
9
I1
I2
I3
I4
I5
I6
I7
I8
01
02
03
04
05
06
07
08
Gnd
+
C6
10uf
U3
ICL7660CPA
6
7
8
3
2
4
5
LV
OSC
V+
GND
CAP+
CAP-
VOUT
R12
4.7K
CR1
1N4148
C
R24
4.7K
1 2
3
4
5
6
7
8
9
10
R33 R34