Keyboard / Terminal And Rs-232 (Host Port) Connector; External Power Connector - Welch Allyn SCANTEAM 2070 BASE Manual

Keyboard / Terminal and RS-232 (Host Port) Connector

The cordless Base can output data to keyboard wedge terminals, CRT terminals,
and personal computers. The Base also provides direct RS-232 output.
Terminal selection may be programmed using Section 1,
the "Plug and Play" or Terminal Interface Selections.
Output data can be configured for your application by
using the Systems Manual, Sections 2 through 4 (Output
Parameters, General Operating, and Symbology Menus).
Keyboard / Terminal and RS-232 (Host Port) Connector:
DB–15 Pin Female
Pin Signal Name
1 GND
2 VCC
3 RXD
4 CTS
5 KDATA
6 KCLK
7 Reserved
8 Reserved
9 VIN
10 BSTRAP
11 TXD
12 RTS
13 TDATA
14 TCLK
15 Reserved

External Power Connector

DC power to the cordless Base can come from an external power supply or from
the terminal to which the Base is connected. External power is provided through
a two-position barrel-type connector on the Base's back panel. The input voltage
range is 4 VDC to 14 VDC and the schematic diagram is shown below.
Ground
Cordless Systems Manual
Description
Power/Signal Ground
5 Volt DC Power Out
RS-232 Receive Data (input)
RS-232 Clear to Send (input)
Keyboard Data from Keyboard
Keyboard Clock from Keyboard
Future use
Future use
High Voltage Power (input, maximum = 14 VDC)
MCU Bootstrap Mode Startup Signal (input)
RS-232 Transmit Data (output)
RS-232 Request to Send (output)
Keyboard Data to Terminal
Keyboard Clock to Terminal
Future use
+9 Volts DC ( example)
8 1
15 9
7–7