User`s manual

TP0 TP1
J5
7188XC
J3
J7
X500
J2
J1
J1: I/O expansion bus, connect to J1 of 7188XC
J2: I/O expansion bus, connect to J2 of 7188XC
J7: Three wires of RS-232 (RXD, TXD, GND)
Pin Assignment : refer to Figure 1 on page 90.
J3: 9-pin connector of RS-232, connect to modem
Block Diagram
7188XC/7188XB
J1
J2
9-pin RS-232
J3
J7
J7
3-pin RS-232
I/O Expansion
Bus
J2
J1
X500
Modem
I/O Expansion Bus for 7188X/7188E User’s Manual, Jun/2004 v1.4, 7PH-000-14---93