RF Technology Eclipse Series User manual

Eclipse Series
RF Technology
[email protected]
September 2006
Hot Standby Switch
Operation, Maintenance and
Installation
This manual is produced by RF technology Pty Ltd
10/8 Leighton Place, Hornsby 2077, Australia
Copyright © 2006 RF Technology Pty Ltd

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CONTENTS CONTENTS
Contents
1. Operating Instructions 3
2. I/O Connections 3
3. Circuit Description 4
3.1 Coaxial Relays 4
3.2 Line Relays 4
3.3 Alarm and Fault Triggers 4
3.4 Alarm Outputs 5
3.5 Voltage Regulator 6
3.6 Reset HSS 6
4. Alignment Procedure 6
5. Installation 6
6. Parts List 8
7. Board Layout 10
8. Typical Connection Diagram 11
9. Schematic Diagram 12

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1___________________________________________OPERATING INSTRUCTIONS
1Operating Instructions
The HSS has two modes of operation, MAIN and STANDBY.
MAIN mode is the normal operation of the MAIN repeater and STANDBY mode is
when the HSS has switched to the standby repeater. There are two front mounted
LEDS. If the main repeater is connected correctly to the HSS the GREEN PWR LED
signifies that the main repeater has no alarms or fault conditions. If an alarm or fault
condition arises in the main repeater the RED ALM LED will light up and the HSS
switches to STANDBY mode.
The HSS does not need to be actively powered for STANDBY mode so in the event
of complete power supply failure to the main repeater the HSS defaults to STANDBY
automatically. For continued operation the standby repeater should have a battery
backup system and/or separate power supply.
2I/O Connections
DB-25 Pin Connector
Function/Signal Pins Relay Standby Position
+12V DC IN 1, 14 -
STBY_DIRAUD_OUT 2
STBY_DIRAUD_IN 15 Closed
Link
Pin 3 3 Open
STBY_BALAUD_OUT 16
STBY_BALAUD_IN 4 Closed
Link
Pin 17 17 Open
STBY_PTT 5
STBY_COS 18 Closed
Link
Pin 6 6 Open
MAIN_PTT 19
Pin 7 7 Closed
Link
MAIN_COS 20 Open
T/R-RELAY_MAIN 8 -
RFO_MAIN 21 -
ALARM_LOW_IN1 9 -
ALARM_LOW_IN2 22 -
ALARM_HI_IN1 10 -
ALARM_HI_IN2 23 -
EXT_BATT 11 -
RESET (FORCE_MAIN) 24 -
FORCE_STANDBY 12 -
GND 13, 25 -

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3 CIRCUIT DESCRIPTION ______________________________________________
Option DB-9 Pin Connector
Function/Signal Pins Relay Standby Position
User assigned 5
User assigned 9 Closed
Link
User assigned 4 Open
User assigned 8
User assigned 3 Closed
Link
User assigned 7 Open
User assigned 2
User assigned 6 Closed
Link
User assigned 1 Open
3Circuit Description
The following descriptions should be read as an aid to understanding the schematic
diagram at the rear of this manual.
3.1 Coaxial Relays
The coaxial relays switch the RF signal path between two repeaters. A separate relay
is used for antenna –receivers and another for antenna –transmitters. Both relays are
powered ON in normal operation, in the MAIN mode. Transistors Q10 and Q11 drive
each relay. In STANDBY mode the relays default to OFF position so are particularly
suitable for monitoring an ac or dc power failure condition.
3.2 Line Relays
The relays RL1, RL2, RL3 and RL4 provide the input/ output signal line switching
facility. Transistor Q9 drives these relays in unison with Q10 and Q11 operation.
All relays operate together. Either all are ON or all are OFF.
The schematic shows the relays in STANDBY or OFF position.
Four signal lines are switched through RL1, RL2 and the DB-25 connector. Another
three signal lines are available for user expansion switched through RL3 and the DB-9
connector.
3.3 Alarm and Fault Triggers
ATI Alarm output
The HSS is designed to work with the Eclipse Alarm Trunking Interface (ATI) and
can also be easily interfaced to third party equipment. The ATI combines the receiver
and transmitter alarm signals and the output is brought to a common pin (ATI card
DB-25 Pin 4). The ATI also monitors and will alarm if either the receiver or
transmitter is disconnected from the rack frame connector.
In alarm condition the standard ATI output is Alarm_High.

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3.4 ALARM OUTPUTS
Receiver Alarms
LED Flash Cadence Fault Condition
5 flashes, pause Synthesizer unlocked
4 flashes, pause Tuning voltage outside limits
3 flashes, pause Signal level below preset threshold (fixed link)
1 flash, pause dc supply voltage low or high
LED ON continuously External squelch is active
Transmitter Alarms
LED Flash Cadence Fault Condition
5 flashes, pause Synthesizer unlocked
4 flashes, pause Tuning voltage out of range
3 flashes, pause Low forward power
2 flashes, pause High reverse (reflected) power
1 flash, pause Low dc supply voltage
LED ON continuously Transmitter timed out
Input Signal Lines
The alarm inputs are diode protected. Two Alarm_Low inputs (pin 9 and pin 22 at D6
and D7) and two Alarm_High inputs (pin 10 and pin 23 at D8 and D9) are provided so
that third party equipment may also be monitored.
The external Eclipse power amplifier may be monitored through two lines at
pin 8, T/R_Relay_Main and pin 21, RFO_Main. Both lines must be connected for
proper operation. Q1, Q7 & Q2 provide the logic for alarm condition.
To force the HSS into STANDBY mode the Force_Stby line pin 12 and D11 should
be connected to GND momentarily. This line is protected by diode D11.
3.4 Alarm Outputs
Alarm Double Beep Audio Tone
Any main repeater alarm or fault condition will cause the HSS to switch to
STANDBY. If link JP2 (Alarm Beep Enable) is fitted, a double beep tone of
approximately 8 seconds interval is mixed in with the audio on the standby repeater
(pin 2, Stby_DirAudio_out). RV3 adjusts the beep tone level.
Power Loss Alarm Double Beep Audio Tone
Loss of ac power to the main repeater or dc power supply failure in the main repeater
will cause the HSS to switch to STANDBY. If links JP1 (Low voltage detector) and
JP2 (Alarm Beep Enable) are fitted, a double beep tone of approximately 2 seconds
interval is mixed in with the audio on the standby repeater (pin 2,
Stby_DirAudio_out). RV3 adjusts the beep tone level.
RV2 sets the threshold of the low voltage detector circuit.

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5 INSTALLATION_____________________________________________________
PTT for Standby Transmitter
By default U1 provides the PTT signal to key up the standby transmitter for the alarm
beep tones. This feature can be disabled by fitting link JP4. In this case the alarm beep
tones will only be transmitted when the standby receiver or other device keys up the
standby transmitter.
HSS reaction time switching to Standby Mode
R25 (or RV1 if fitted) adjusts the trigger reaction time up to 10 seconds. This allows
for short duration power outages without triggering the alarm condition.
3.5 Voltage Regulator
The dc supply to U3 voltage regulator is derived from +12V input pins 1, 14 (from the
MAIN repeater) and Ext_Batt input pin 11 (from the STANDBY repeater). The
Ext_Batt input continues to supply dc to the HSS if the main repeater power supplies
have failed. This allows the alarm beep tones function to continue.
3.6 Reset HSS
The rear mounted RESET push button switch may be used to reset the HSS to the
MAIN position. Alternately the RESET signal line on Pin 24 and D10 may be taken
LOW momentarily for a remote RESET function. This line is protected by diode D10.
NOTE:
The main repeater must be in good operational condition before the RESET function
can be enacted otherwise the HSS will detect any alarm or fault condition and shall
NOT switch to MAIN mode.
4Alignment Procedure
There is no alignment procedure. The HSS is factory set up to operate automatically
for most situations. The user adjustments are covered in the previous section.
5Installation
1 Locate and mount the HSS securely in a suitable position between or near the
MAIN and STANDBY repeaters.
2 Attach to the DB-25 connector the appropriate wiring for power supplies and
signal inputs. Attach to the DB-9 connector more signal lines if required.
3 Connect the rf cables to the HSS N-type connectors between Antenna and
Transmitters and also between Antenna and Receivers. Please note the MAIN
and STANDBY connector positions carefully.
4 Check that the MAIN repeater is operating normally –no alarm or fault
conditions.

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INSTALLATION_
5 Check the HSS GREEN PWR LED is lit ON.
6 Press the RESET push button switch on the rear of the HSS to switch it to
MAIN repeater. The RED ALM LED should be OFF and the main repeater is
functioning properly. This is the normal operation mode.
7 Test the STANDBY mode by introducing an alarm in the main repeater. If an
ATI is fitted simply pull out the receiver or transmitter sufficiently to
disconnect it from the rack frame connector and an alarm will occur. The HSS
should switch to STANDBY and the RED ALM LED should light ON.
8 If JP1 and JP2 are set correctly the HSS will introduce a double beep audio
tone mixed with the standby transmitter audio. This is the STANDBY mode.
9 To RESET the HSS, restore the main repeater to normal operation (no alarms)
before pressing the RESET push button switch.
10 This ends the installation but the remote RESET (FORCE_MAIN) and remote
FORCE_STANDBY can be tested in a similar way.

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Designator Description Part Number
C1 100N 10% 50V X7R RD.2 46/2001/100N
C2 100N 10% 50V X7R RD.2 46/2001/100N
C3 100N 10% 50V X7R RD.2 46/2001/100N
C4 100N 10% 50V X7R RD.2 46/2001/100N
C5 100N 10% 50V X7R RD.2 46/2001/100N
C6 100N 10% 50V X7R RD.2 46/2001/100N
C7 470U 25V RB Electrolytic 41/2001/470U
C8 10U 35V RB Electrolytic 41/2001/010U
C9 10U 35V RB Electrolytic 41/2001/010U
C10 47U 25V RB Electrolytic 41/2001/047U
C11 100N 10% 50V X7R RD.2 46/2001/100N
C12 100N 10% 50V X7R RD.2 46/2001/100N
C13 10U 35V RB Electrolytic 41/2001/010U
D1 SIL GP 1N4002 21/1010/4002
D2 SIL GP 1N4002 21/1010/4002
D3 SIL GP 1N4002 21/1010/4002
D4 SIL GP 1N4148 21/1010/4148
D5 SIL GP 1N4148 21/1010/4148
D6 SIL GP 1N4148 21/1010/4148
D7 SIL GP 1N4148 21/1010/4148
D8 SIL GP 1N4148 21/1010/4148
D9 SIL GP 1N4148 21/1010/4148
D10 SIL GP 1N4148 21/1010/4148
D11 SIL GP 1N4148 21/1010/4148
D12 R/A, RED 21/1010/LEDR
D13 R/A, Green 21/1011/LEDG
D14 SIL GP 1N4002 21/1010/4002
D15 SIL GP 1N4002 21/1010/4002
D17 SIL GP 1N4148 21/1010/4148
D18 SIL GP 1N4148 21/1010/4148
D19 SIL GP 1N4148 21/1010/4148
JP1 2 Way Pin Header 35/2501/0002
JP2 2 Way Pin Header 35/2501/0002
JP3 2 Way Pin Header 35/2501/0002
JP4 2 Way Pin Header 35/2501/0002
P1 R/A PCB Mount DB25 Male 35/5010/025M
P2 R/A PCB Mount DB9 Female 35/5010/009F
Q1 2N3904 NPN TO92 27/2020/3904
Q2 2N3904 NPN TO92 27/2020/3904
Q3 2N3904 NPN TO92 27/2020/3904
Q4 2N3904 NPN TO92 27/2020/3904
Q5 2N3904 NPN TO92 27/2020/3904
Q6 2N3904 NPN TO92 27/2020/3904
Q7 2N3906 NPN TO92 27/2010/3906
Q8 2N3906 NPN TO92 27/2010/3906
Q9 TIP31 NPN TO220 27/2010/TP31
Q10 TIP31 NPN TO220 27/2010/TP31
Q11 TIP31 NPN TO220 27/2010/TP31

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Designator Description Part Number
Q12 2N3904 NPN TO92 27/2020/3904
R1 10K 5% 0.25W Axial 51/1040/010K
R2 10K 5% 0.25W Axial 51/1040/010K
R3 10K 5% 0.25W Axial 51/1040/010K
R4 10K 5% 0.25W Axial 51/1040/010K
R5 4K7 5% 0.25W Axial 51/1040/04K7
R6 10K 5% 0.25W Axial 51/1040/010K
R7 10K 5% 0.25W Axial 51/1040/010K
R8 10K 5% 0.25W Axial 51/1040/010K
R9 10K 5% 0.25W Axial 51/1040/010K
R10 10K 5% 0.25W Axial 51/1040/010K
R11 10K 5% 0.25W Axial 51/1040/010K
R12 10K 5% 0.25W Axial 51/1040/010K
R13 1K 5% 0.25W Axial 51/1040/001K
R14 47K 5% 0.25W Axial 51/1040/047K
R15 1K 5% 0.25W Axial 51/1040/001K
R16 1K 5% 0.25W Axial 51/1040/001K
R17 1K 5% 0.25W Axial 51/1040/001K
R18 1K 5% 0.25W Axial 51/1040/001K
R19 1K 5% 0.25W Axial 51/1040/001K
R20 100K 5% 0.25W Axial 51/1040/100K
R21 100R 5% 0.25W Axial 51/1040/0100
R22 100R 5% 0.25W Axial 51/1040/0100
R23 100R 5% 0.25W Axial 51/1040/0100
R24 100R 5% 0.25W Axial 51/1040/0100
R25 100K R/A MULTI-TURN 53/THH1/100K
R26 10K 5% 0.25W Axial 51/1040/04K7
R27 10K 5% 0.25W Axial 51/1040/04K7
R28 10K 5% 0.25W Axial 51/1040/04K7
R29 10K 5% 0.25W Axial 51/1040/04K7
R30 10K 5% 0.25W Axial 51/1040/010K
R31 10K 5% 0.25W Axial 51/1040/04K7
R32 10K 5% 0.25W Axial 51/1040/010K
R33 10K 5% 0.25W Axial 51/1040/04K7
RL1 12V DPCO Miniature 96/2000/012V
RL2 12V DPCO Miniature 96/2000/012V
RL3 12V DPCO Miniature 96/2000/012V
RL4 12V DPCO Miniature 96/2000/012V
RV2 10K SINGLE TURN Vertical 53/1020/010K
RV3 10K SINGLE TURN Vertical 53/1020/010K
U1 HC908QT MCU 26/68HC/908Q
U2 74C00 QUAD NAND DIP14 26/2031/4C00
U3 LM7805 Voltage Regulator 25/2040/7805
RL5 Coaxial Relay, 12V 96/COAX/0001
RL6 Coaxial Relay, 12V 96/COAX/0001

HSS Pcb Layout