RF Neulink NL5000 Rev B0 - Manual (Page 8)

NL5000 User Manual Rev B0 7
3.0 NL5000 I/O CONNECTOR AND INDICATORS
3.1
15-PIN I/O CONNECTOR - DATA ONLY
Connector Pinout
Pin Name Description Comments
1 Not used for Data
2 Not used for Data
3 Not used for Data
4 A/B Input Channel 1/2 or High/Low power
5 NC Not Used
6 Supply Input DC Power + input connects here to power unit
7 NC Output Receiver Alignment-Do NOT CONNECT
8 RD Output RS-232 data output from modem
9 TD Input RS-232 data input to the modem
10 CTS Output RS-232 clear to send output from modem
11 DSR Output RS-232 data set ready output from modem
12 TEST Input Used for PTT (Not used for Data)
13 CD Output Carrier Detect
14 RTS Input RS-232 request to send input to modem
15 GND System ground - Power Supply I/P connection
Pinout Description – DB 15
Pin 4 A/B
Depending on how it is programmed via the Configuration Software, this pin can
either be a channel A/channel B selection pin or a high/low transmit power
selection pin. This pin has an internal pull-up resistor to +5 volts and assumes a
high (channel A or high power) state when left unconnected.
Pin 5 Not Used
Pin 6 SUPPLY
This is the positive power supply input for the modem.
Pin 8 RD (Receive Data)
RS-232 data to be received from the modem is available at this pin. The data are
at normal RS-232 levels and are transmitted from the modem to be received by
the host computer or other device connected to the modem. The radio accepts
port speeds from 2,400 bps 38,400 bps.