GE MDS RCL220, Manual

Page: 9 / 79

RCL220_manual_v3-draft.doc
05-XXXXA01 Version 3 Draft Page 9 of 79 9/20/2016
2.1.1 USB Port Connector Pinout
The Access Point provides a USB Port conforming to version 1.1 of the USB standard. The pinout for
this connector is given in the table below.
Pin Signal Name Description
1 5V +5 VDC
2 USBD- USB Data Minus
3 USBD+ USB Data Plus
4 GROUND Ground
2.1.2 DB-25 Connector Pinout
The table below provides the pinout information for the final AP version employing a DB-25 connector.
Please see “TD_RCL_Adapter_Board_Instruction_Sheet2.pdf” for information on our 03-4758A03
breakout kit for the Access Point and Packaged Radio Module.
DB-25
Pin
Signal
Direction WRT MDS
Equipment
1 COM3_DCD Input
2 COM2_TXD Input
3 COM2_RXD Output
4 COM2_RTS Input
5 COM2_CTS Output
6 COM3_TXD Output
7 GND Input/Output
8 COM2_DCD Output
9 COM3_CTS Input
10 COM3_RTS Output
11 COM3_DTR Output
12 COM3_RXD Input
13 GND Input/Output
14 ETH_TX_H Output
15 ETH_TX_L Output
16 ETH_RX_H Input
17 ETH_RX_L Input
18 EXT_KEY Output
19 EXT_DET Input
20 COM2_DTR Input
21 ALARM_OUT Output
22 GPS_PPS_L Input
23 GPS_PPS_H Input
24 COM1_RXD Input
25 COM1_TXD Output
The DB-25 connector is female, and the orientation of the connector as looking into the front panel of
the unit is as shown below.