Board Description - ASCOM 9dLD Installation Manual

INSTALLATION GUIDE
9dLD Locator, Version D
2.

Board Description

The 9dLD consists of two circuit boards, a radio circuit board and the 9dLD circuit board shown
in figure below. The radio circuit board is screwed tight onto the bottom side of the 9dLD circuit
board. The placement of components are shown in figure below.
Connectors
J1:
J2:
1A – 1B:
2A – 2B:
LEDs
LED1:
Switches
SW1:
SW01 – SW02:
SW03 – SW04:
Jumpers
1A:
1B:
2A:
2B:
X:
Y:
TD 92775EN / 14 December 2020 / Ver. D
Jumper
SW1
LED1
Location 1 Location 2
SW01
SW03
SW02
SW04
Pin 1 and 2: Monitor out
Pin 3 and 4: Monitor in
Pin 1 and 2: Supply voltage
Pin 3–5: RS232 used for parameter update and software download
to the 9dLD.
Antenna SMA connectors (female) for location 1
Antenna SMA connectors (female) for location 2
Green LED that indicates that the 9dLD is operational and is
synchronized to the system.
Reed relay (on reverse side)- for tamper protection.
Switches used to adjust the RSSI threshold value for location 1.
Switches used to adjust the RSSI threshold value for location 2.
Tamper monitoring of antenna 1A.
Tamper monitoring of antenna 1B.
Tamper monitoring of antenna 2A.
Tamper monitoring of antenna 2B.
Short circuit detection
Open circuit detection
Antenna connector
1A 1B
2A
2B
Spacers for internal antenna
J2
1 5
J1
4 1
3