Hardware Installation
Memotec Inc. 3-39
3.12 Connecting the LAN Hub
You must provide a standard straight through Ethernet 802.3 LAN cable (10/100/1000
Base-T, RJ-45M to RJ-45M) for connection to each LAN port. LAN cables are not
provided with the product package.
► To connect the SDM-9120/9220/9230 unit to a LAN hub:
1. Connect one end of the LAN cable to one of the SDM-9120/9220/9230 Ethernet LAN
ports, labeled ETHERNET on the rear panel. See “Rear View of the SDM-9220/9230
UAC” on page 4-5.
2. Connect the other end of the LAN cable to one of the 10/100 Base-T ports on your
local LAN hub.
3. The link is up when the LNK LED is on. The LED color indicates the speed of the LAN
connection:
•Amber: 100 Mbps
• Green: 10 Mbps
► To connect the SDM-9140 unit to a LAN hub:
1. Connect one end of the LAN cable to one of the SDM-9140 Ethernet LAN ports
labeled ETHERNET on the front panel. See “Front View of the SDM-9140e” on
page 4-7.
2. Connect the other end of the LAN cable to one of the 10/100/1000 Base-T ports on
your local LAN hub.
3. The Ethernet port link is up when the Left LED is on. The LEDs indicate the following:
•Left LED:
- Blinking/Green: Activity (traffic transmitted or received)
- On: The Ethernet port link is up
• Right LED:
- Yellow: The speed of the LAN connection is 100 or 1000 Mbps
- Off: The speed of the LAN connection is 10 Mbps
LAN connection does
not work
No power to LAN hub
Make sure the power outlet
has power
Make sure the LAN hub is
properly plugged in and
switched on
Incorrect cable connection
If LINK LED is off, check LAN
cable and replace if damaged
If LINK LED is on, make sure
you are using the correct IP
address for transmissions
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