IBM Series 1 User Manual page 77

Figure 2-23.
~h@!!~!
Dri v.er/Receiver Informa tiOD
Definitions in the following tables are:
ffPUL
=
Most positive
Up Level, LPUL = Least Positive Up Level, MPDL = Most Positive
Down Level, and
LPDL
= Least Positive Down Level.
j - ,
l.TYP,LC-!.L-C-]-1 _ _ _ _ !!.95_3 _____
1 ____
495
2 ____
--1
1--_________
--1_QRTVER
LRE~l;l!ER
__ l_DRIVER
~£EIVE!ll
I
MPUL
I
5.5V
I
5.5V
I
5.5V 5.5V
I
LPUL
J
2.4V
I
2.0V
I
2.4' 2.0V
I
MPDL
I
0.6V
J
0.8V
I
0.4V O.BV
J LPDL
I
O.OV
I O.OV
t
0.0' O.OV
L _ _ _ _ _ _
r - - - - ,
ll!PE_C-L-__
j
4953
1-___
!955 _____
1
L
DRIVER
l-liECEIVEL-l.-ll!!!l~L..LBEC12.IVE!!l
I
MPUL 5.5'
t
5.5V
I
5.5V ) 5.5V
J
,LPUL 2.4V
I
2.0V
I
2.4V
I
2.0V
I
t
MPDL 0.6V
I
0.8'
I
0.45V
I
0.8' I
t
LPDL
O.OV I O.OV I O.OV I O.OV I
L_______________________
-J
r
LTYPE C-D
!
4953
_ 1
4~25
1
1-
) DR!
V
E.R
I
DRIVER
1
I MPUL I
5.5V
I
5.5V
I
I
LPUL
J
2.4V
J
2.4V
I
J
MPDL
I
0.6 V
I
0.6V
I
J
LPDL I
O.OV
J
O.OV
J
L ----'
r ,
LTYPE C-E 1 495.3
J
4955
!
1 _____ ._1RECEIVEIL.-LRECEI.YER ___ 1
I
t1 PU L
I
5.
5 V
I 5.
5 V
J
, LPUL J 2.0V
t
2.0 J
) MPDL J
O.8V
J
0.8V
J
I
LPDL
I
0.0'
I
O.OV
f
1.. _ _ _ _ _ _ _
2-62
GA34-00J.3
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