Epson PX-8 Technical Manual page 22

REV.-A
(4) # 726 cable
Usage Connection between two units or more
Connector: Round-type miniature Round-type miniature
No. Signal Name Color No. Signal Name Color
1 GND Black 1 GND Black
2 TXD Brown 2 TXD Red
3
RXD Red
3
RXD Brown
4 RTS Orange 4 RTS White
5 CTS Orange 5 CTS
White
6 DSR Purple 6 DSR Gray
7 DTR Gray 7 DTR Purple
8 CD White 8 CD Orange
E CG
Shield E
CG
Shield
Fig.1-12
An shown in Fig. 1-11, control lines of DSR and DTR, and connected lines of CTS and RTS (con-
nected to CD) are crossing respectively. Therefore, when transmitting data or receiving, both un-
its must open RS-232C interfaces.
(5) # 727 cable
Usage Connection to optional unit
Connector: ERC-AA50 - 30 (S)
M · " d
48 50
am unit
SI
e
I
Op"o""
"'''id,
D============M=a=,"
D
I
~---
1111
~
47 : 49
IIII
48 50
111111
V
- - - --- - - - - - - --~ c.
r:::
I I
1
Optional unit side
47 49
See Page 1-13 CN8 for signals.
1-18