Welch Allyn Poem NIBP Module DeveloperS Kit Instructions - Installation Guide - Manual (Page 5)

Welch Allyn OEM Technologies POEM NIBP Module Developer’s Kit Instructions
810-1209-01 Rev. A Confidential Page 5
Serial Interface Requirements
METHOD 1 - RS232 Connection From J6 to PC
Connect the RS232 cable and configure JMPR3 and JMPR4 as shown in Figure 4.
Figure 4 - RS232 Serial Interface Connection
NOTE The Interface Board’s level translator IC U2 imposes an upper data rate limit of
120 kbps under its manufacturer’s test conditions. Consult Maxim’s data sheet
(MAX232E) for further details.
JMPR4 JMPR3
1 1
Leave J4 unconnected.
Configure JMPR3 and JMPR4 as shown (factory
default setting)
(This provides ±10 V RS232 I/O with inverted
polarities relative to the POEM board outputs.)
Connect the RS232 cable supplied with the
Developer’s Kit to J6. This is a “straight-through”
cable (all pins including 2 and 3 are connected
straight-through the cable from end-to-end).
Connect to PC serial/com port.
J6
J4
RS232 CABLE