IBM 5500 Operational, Installation, And Maintenance Manual page 129

C onnection to
C ontrol U nit Port
Red 1
2 0 2 0
O h m s O h m s
Twinaxial
Impedance
Matching
Device
R G O B
R G O B
C able Cable
1
R G O B
R G O B
R ed
C onnection to C able-Through
W orkstations
Blue 2 R ed 1
Tw inaxial
Y
Assem blies
R G O B
R G O B
C able
2 3
R G O B
R G O B
Blue R ed
R R
G G
O O
B B
Figure 65: A Simple IBM Cabling System Installation Using Twinax
Accessories
Test for Cable Drop from Distribution Panel to Control Unit
Attention: To prevent destroying any active jobs, make sure that you do not
unplug the connectors for any data path other than the one being checked.
Use the following procedure to test the cable drop from the distribution panel
to the control unit.
1. Make sure that you disconnect the control unit from the cabling system at
the cabling system wall connector.
2. Go to the distribution panel and do the following steps using Figure 66:
Last W orkstation
Blue 2
Tw inaxial
D irect
C onnect
C able
R G O B R
R G O B R
C able
4
R G O B R
R G O B R
Blue
C onnection to
7 5 7 5
O h m s O h m s
Twinaxial Terminator
for IBM Cabling
System Use
Work Area
G O B
Receptacles
G O B
G O B
D istribution
Panel
G O B
Y A ssem blies
O n D istribution Panel
55E1I039
129