User`s manual

Connect Tech Xtreme/104-Plus User’s Manual

Revision 0.04

Notes:

[1] When CAB8104 cable assembly is attached.

[2] 47Ω to GND. Ground is connected to the DC ground by a 47Ω resistor to

reduce ground loop current

Table 5: RS-232/TTL Px1 right angled header pinouts (CAB104 compatible)

(See Figure 3 for Port numbering and locations)

Pin # RS-232/TTL signal Direction

1 DCD Input

2 DSR Input

3 RxD Input

4 RTS Output

5 TxD Output

6 CTS Input

7 DTR Output

8 RI Input

9 SG Signal Ground

10 +5V supply to external devices

Note: Total current draw on +5V pins of all ports must

not exceed 1A.

Table 6: RS-485 Px2 vertical header pinouts

(See Figure 3 for Port header numbering and locations)

Pin # RS-485 signal Direction

1 TxD+ Output

2 TxD- Output

3 RxD+ Input

4 RxD- Input

5 SR Signal Reference