Use the pinout to connect to terminals on the RTI-12303.

JR1 and XP3

JR1 is an 8-position Molex Ultra-Fit™ connector. XP3 is an 8-blade Universal Power Module (UPM). XP3 is in the standard position with pinout for fully compatible rear I/O.

Figure 2. Connector JR1 and Connector XP3 Pinouts


Table 1. JR1 and XP3 Pin Mapping
JR1 Pin JR1 Signal XP3 Pin Description
8 V1+ H Positive Voltage 1
4 V1- G Negative Voltage 1
7 V2+ F Positive Voltage 2
3 V2- E Negative Voltage 2
6 V3+ D Positive Voltage 3
2 V3- C Negative Voltage 3
5 V4+ B Positive Voltage 4
1 V4- A Negative Voltage 4

JR2, JR3, JR4, JR5, and XP2

JR2, JR3, JR4, and JR5 are Nano-Fit connectors. XP2 is a 110-pin Hard Metric type A connector. XP2 is in the standard position with pinout for fully compatible rear I/O.

Figure 3. JR2, JR3, JR4, JR5, and XP2 Pinouts


Table 2. JR2 and XP2 Pin Mapping
XP2 Signal JR2 Pin JR2 Pin XP2 Signal
P0.0 10 5 P0.1
P0.2 9 4 P0.3
GND 8 3 GND
P0.4 7 2 P0.5
P0.6 6 1 P0.7
Table 3. JR3 and XP2 Pin Mapping
XP2 Signal JR3 Pin JR3 Pin XP2 Signal
P1.0 10 5 P1.1
P1.2 9 4 P1.3
GND 8 3 GND
P1.4 7 2 P1.5
P1.6 6 1 P1.7
Table 4. JR4 and XP2 Pin Mapping
XP2 Signal JR3 Pin JR3 Pin XP2 Signal
P2.0 10 5 P2.1
P2.2 9 4 P2.3
GND 8 3 GND
P2.4 7 2 P2.5
P2.6 6 1 P2.7
Table 5. JR5 and XP2 Pin Mapping
XP2 Signal JR3 Pin JR3 Pin XP2 Signal
P3.0 10 5 P3.1
P3.2 9 4 P3.3
GND 8 3 GND
P3.4 7 2 P3.5
P3.6 6 1 P3.7
Table 6. XP2 Input/Output Pin Assignments
Row a b c d e
1 P0.0 P0.1 NC P0.2 P0.3
2 P0.4 P0.5 NC P0.6 P0.7
3 GND GND GND GND GND
4 P1.0 P1.1 NC P1.2 P1.3
5 P1.4 P1.5 NC P1.6 P1.7
6 GND GND GND GND GND
7 P2.0 P2.1 NC P2.2 P2.3
8 P2.4 P2.5 NC P2.6 P2.7
9 GND GND GND GND GND
10 P3.0 P3.1 NC P3.2 P3.3
11 P3.4 P3.5 NC P3.6 P3.7
15 NC NC NC NC NC
16 NC NC NC NC NC
17 GND GND GND GND GND
18 NC NC NC NC NC
19 NC NC NC NC NC
20 GND GND GND GND GND
21 NC NC NC NC NC
22 NC NC NC NC NC
23 GND GND GND GND GND
24 NC NC NC NC NC
25 NC NC NC NC NC