Intermec EasyCoder 201 II - Technical Manual

89
Intermec EasyCoder 201 II – Technical Manual
Parallel Interface Board,
cont'd.
INTERFACES, cont'd.
Three different straps can be fitted on the Parallel Interface Board:
External +5V
Jumper fitted on connector P-2 enables external +5V (max. 200
mA) on pin 18.
Warning! Be careful not to enable the external +5V unintention-
ally, which may cause harm to the terminal, computer or other
device connected to this port!
Busy Signal:
S1: Jumper fitted = BUSY signal on until end of ACK signal.
No jumper fitted = ACK after BUSY signal (as on previous
versions of this board).
S2/S3
1
: Jumper fitted on S-2 = BUSY signal on falling edge of
/STROBE signal (i.e. according to specifications)
Jumper fitted on S-3 = BUSY signal on rising edge
of /STROBE signal (i.e. as on previous versions of this
board).
1
/. A jumper must be fitted on either S-2 or
S-3.
P2
S1
S3
S2
S-2/S-3
S-1
P-2
Female
Centronics
connector