Cisco PA-MC-T3 Installing And Removing page 16

Connecting a PA-MC-T3 Cable
Connecting a PA-MC-T3 Cable
To continue your PA-MC-T3 installation, you must attach the port adapter cables. The instructions that
follow apply to all supported platforms.
Use only 75-ohm RG-59 coaxial cables for these connections. You must supply the cables; they do not
ship with the PA-MC-T3. For specific cable requirements and options, see the
Pinouts" section on page
Note You must attach the ferrite sleeves to 75-ohm coaxial cables that you plan to use for your connection.
Attach each ferrite sleeve as close as possible to the port adapter end of each 75-ohm coaxial cable (as
shown in
We strongly recommend that you fasten together your transmit and receive cables along their entire
length, which reduces the effects of EMI. You can use standard heat-activated shrink tubing or cable ties
for this purpose.
You can also use a 75-ohm coaxial cable pair that is available from Cisco Systems (product number
CAB-ATM-DS3/E3).
Each T3 link requires separate receive and transmit connections to your external T3 equipment.
Connect the 75-ohm coaxial cables to the PA-MC-T3 as follows:
Step 1 Attach the 75-ohm coaxial cables directly to the BNC ports on the PA-MC-T3. Attach one end of a cable
to the port labeled TX and one end of a second cable to the port labeled RX. (See
Figure 3-3
PA-MC-T3 Port Adapter Installation and Configuration
3-16
1-5.
Figure 1-3).
Attaching 75-Ohm RG-59 Coaxial Cables to a PA-MC-T3
To RX port
on external
T3 equipment
To TX port
on external
T3 equipment
Chapter 3
Attach ferrite
sleeve here
Removing and Installing Port Adapters
"Cables, Connectors, and
Figure 3-3.)
MULTI-CHANNEL DS3
BNC
cables
Attach ferrite
sleeve here
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