IBM EasyCoder 3400e - Manual (Page 123)

HelvC NugFont
C 39
Communications Reference
C-9
C
RS-232 Null Modem Cable for PC/XT (Part Number 048668)
SHIELD
PC
PRINTER
25-PIN (SOCKET) D-SUB
METAL BACKSHELL
25-PIN (PLUG) D-SUB
METAL BACKSHELL
NOTE: The metal backshell is connected directly
to the shield to achieve electrostatic discharge
(ESD) immunity.
CHASSIS GROUND
TRANSMITTED DATA
RECEIVED DATA
REQUEST TO SEND
CLEAR TO SEND
DATA SET READY
GROUND
DATA TERMINAL READY
CARRIER DETECT
CHASSIS GROUND
RECEIVED DATA
TRANSMITTED DATA
CARRIER DETECT
DATA TERMINAL READY
GROUND
DATA SET READY
CLEAR TO SEND
1
2
3
4
5
6
7
20
8
1
3
2
8
20
7
6
4
5
3XXXU.010
RS-232 Null Modem Cable for PC/AT (Part Number 048693)
SHIELD
AT
PRINTER
9-PIN (SOCKET) D-SUB
METAL BACKSHELL
25-PIN (PLUG) D-SUB
METAL BACKSHELL
NOTE: The metal backshell is connected directly
to the shield to achieve electrostatic discharge
(ESD) immunity.
RECEIVED DATA
TRANSMITTED DATA
CLEAR TO SEND
REQUEST TO SEND
DATA TERMINAL READY
DATA SET READY
CARRIER DETECT
GROUND
CHASSIS GROUND
TRANSMITTED DATA
RECEIVED DATA
CARRIER DETECT
DATA SET READY
DATA TERMINAL READY
CLEAR TO SEND
REQUEST TO SEND
GROUND
2
3
8
7
4
6
1
5
1
2
3
8
6
20
5
4
7
3XXXU.011