LBI-39190
46
3b.
If the voltage levels are correct at the chassis, check the fuse and
VCOM24 board. Turn the power off while replacing components.
Replace the fuse (see the parts list), and reinsert the VCOM24 board . If
the fuse still blows, replace the VCOM24 board. If the fuse still blows,
contact Technico.
PIN OUT FOR THE DIAGNOSTIC TERMINAL CABLE
The following diagram shows the minimum number of pin connections required in the Diagnostic Terminal
cable. If DTR handshaking is to be used, pin 20 must also be connected.
Description
Terminal
Data Advantage
Shield Ground
1
1
Terminal TX Data
2
2
Terminal RX Data
3
3
Signal Ground
7
7
DTR (optional)
20
20
PIN OUT FOR DATA INTERFACE CABLE
The following pin out should be used for the Serial Link Cable between a WNI port and a J3/J5 connector on the
rear of the RF Control Station Shelf. Note that the pin function is from the perspective of the WNI serial port.
Description
WNI Serial Port
J3/J5 Connector of
Radio Shelf
WNI TX Data
2
2
WNI RX Data
3
3
RTS
4
4
CTS
5
5
Signal Ground
7
7
PIN OUT FOR RADIO SHELF HARNESS / DATA INTERFACE
The following table shows the pin out of the radio shelf harness that connects the J3/J5 connector and the P1
connector of Orion radio. Note that the pin function is from the perspective of the Orion P1 connector.
Description
P1 Connector of
Orion Radio
J3/J5 Connector of
Radio Shelf
DATA IN
2
2
DATA OUT
3
3
RTS
6
4
CTS
20
5
Signal Ground
7
7