Connectors; Connector A - Elatec TWN4 MultiTech Core Manual

3 Connectors

3 Connectors
TWN4 MultiTech Core has several connectors on-board. There are three connectors (A, B and C) which
connect either to a carrier board or to a host. Furthermore, there is a antenna connector and a optional
position for placing a coaxial connector.
The connectors A, B and C have identical pitch. Following type of connector is recommended:
• Dual row header
• Pitch 2.0mm
• Pin shape square
• Pin width 0.5mm x 0.5mm
• Length of pins appropriate to custom requirements

3.1 Connector A

The connector A is intended for connecting a cable to the TWN4 core module, which allows communication
with a host. Typically, such a cable is either type USB or RS232. Various appropriate USB and RS232
cables are available from stock.
There is a right-angle connector mounted on-board, which is type Hirose, DF11 series.
Pin Pin Name
A1 UGND
A2 USB_D+
A3 UVCC
A4 USB_D-
A5 V24_RXD
A6 GND
A7 V24_TXD
A8 MGND
Note:
If pin A6 and A8 are connected to each other this has two effects:
1. The firmware of TWN4 changes host channel to RS232
2. The integrated circuit, which is interfacing to voltage levels of RS232 is powered up.
Following order codes for connector A and mating parts:
• Pin header on TWN4 Core Module: Hirose DF11-8DP-2DS(24)
Function
USB Ground
USB Data +
USB VCC
USB Data -
RS232 RXD (Input)
Ground
RS232 TXD (Output)
Cable Sense
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