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Chapter 3
Removing and Installing Port Adapters
Connecting a PA-E3 Cable
On a PA-E3(=) you use only one coaxial cable, and on a PA-2E3(=) you can use one or two coaxial
cables.
You can attach only an EIA/TIA-612 and EIA/TIA-613 75-ohm coaxial cable to the PA-E3 installed in
Caution
your router. Attaching a compact serial cable of another interface type to the port adapter could damage
your router or the hardware at the network end of the cable.
To connect a coaxial cable to a PA-E3, follow these steps:
Step 1
Attach the coaxial cable directly to the receptacle on the PA-E3 and tighten the BNC connectors. (See
Figure
Note
Figure 3-3
Step 2
Attach the network end of your coaxial cable to your DSU, CSU, DTE, or other external E3 equipment
and tighten the BNC connectors.
This completes the procedure for attaching a PA-E3 compact coaxial cable to the PA-E3.
OL-3502-04
3-3.)
Port adapters have a handle attached, but this handle is not shown to allow a full detailed view
of the faceplate.
When attaching the cable receptacle on the PA-E3, use the cable-management bracket that
shipped with your router for extra strain relief.
Connecting a PA-E3 Compact Coaxial Cable—Front View (Shown Without Handle)
EMI decoupler clip
Ferrite beads
PA-E3 Serial Port Adapter Installation and Configuration
Connecting a PA-E3 Cable
3-17
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