Transition Networks STACKMASTER TX12 - Manual (Page 7)

StackMaster™ TX12 4 11 100BASE-TX 12-Port Stackable Hub
4. OPERATION
The StackMaster TX12 normally requires no intervention beyond
occasionally monitoring the Power and Status LEDs.
Status LEDs
Status LEDs are located at the front of the StackMaster TX12.
P OWER Illuminated green: Hub powered ON.
U TILIZATION Iilluminated green 1%, 8%, 16%, 32%, or 64%
network activity
C OLLISION Illuminated amber: Collision detected during
data transmission on ANY port.
L INK /A CTIVITY Illuminated green: Port link established.
Flashing green: Data being received.
E RROR Flashing yellow: Error detected on port. OR
port partitioned and isolated.
2. SITE CONSIDERATIONS
The site for the StackMaster TX12 hub must provide:
• AC power outlet for each hub
• Adequate ventilation
• Standard environmental conditions
• Isolation from electrical noise, including radio transmitters
and broadband amplifiers, motors, high power electrical
lines, or fluorescent light fixtures.
Additionally:
• The twisted pair cables should not run in the same conduit
with power line cables
• Phone lines should be separated from data cables
• Flat or “silver satin” wires should not be used.
And:
• Since the StackMaster TX12 functions as an Ethernet
Repeater, the entire installation should comply with the IEEE
Ethernet 802.3 specification.