IBM 1 Series - Page 65

2-54
GA34-0033
Types C-A, C-B
MPUL
LPUL
MPDL
LPDL
Type C-C
MPUL
LPUL
MPDL
LPDL
Type C-D
MPUL
LPUL
MPDL
LPDL
Type C-E
MPUL
LPUL
MPDL
LPDL
Key:
4952/4953
Driver Receiver
5.5 V 5.5 V
2.4 V 2.0 V
0.6 V 0.8 V
0.0 V 0.0 V
4952/4953
Driver Receiver
5.5 V 5.5 V
2.4 V 2.0 V
0.6 V 0.8 V
0.0 V 0.0 V
4952/4953
Driver
5.5 V
2.4 V
0.6 V
0.0 V
4952/4953
Receiver
5.5 V
2.0 V
0.8 V
0.0 V
MPUL = most-positive up level
LPUL least-positive up level
MPDL = most-positive down level
LPDL least-positive down level
Driver
5.5 V
2.4 V
0.4 V
0.0 V
Driver
5.5 V
2.4 V
4955
4955
0.45 V
0.0 V
Driver
5.5 V
2.4 V
0.6 V
0.0 V
Figure 2-23. Channel driver/receiver information
4955
4955
Receiver
5.5 V
2.0 V
0.8 V
0.0 V
Receiver
5.5 V
2.0 V
0.8 V
0.0 V
Receiver
5.5 V
2.0 V
0.8 V
0.0 V