[. . . ] SUPERSTACK II PORT SWITCH HUB
HOT SWAP CASCADE UNIT
3C16430
USER GUIDE
Hot Swap Cascade Units are for use with SuperStack II Port Switch Hubs. [. . . ] A maximum of 6 meters (19. 6 feet) of cascade cabling (between the top and bottom hub). SuperStack II Port Switch Hub cascade cables are available in a variety of lengths from your supplier. To use your cascade units:
1
Connect the cascade units with the cascade cables (as shown in diagram A below):
s
Connect the cables' UP connectors to the UP ports of the cascade units. Connect the cables' DOWN connectors to the DOWN ports of the cascade units.
s
Secure the cables by tightening the cables' captive screws, finger tight.
2
Connect the cascade units to the back of the hubs (as shown in diagram B below). Tighten the cascade units' long screws to hold them firmly in place. A
Hot
UP
B
Swa p Ca scad
DOW
e Un
it
N
N
DOW
Hot
UP
Swa
p Ca
scad
UP
Hot
UP
Swa
p Ca
scad
DOW
Swa p Ca
e Un
it
N
N
DOW
e Un
it
N
N
UP
Hot
UP
DOW
DOW
scad
DOW
Swa p Ca
e Un
it
N
N
UP
Hot
UP
Swa
p Ca
scad
e Un
UP
it
Hot
UP
DOW
scad
e Un
it
DOW
N
DOW
N
Never disconnect any of the cascade cables from the cascade units, when the stack is in use, because doing so will break the cascade. [. . . ] Unless otherwise indicated, 3Com registered trademarks are registered in the United States and may or may not be registered in other countries. [. . . ]