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C H A P T E R
1-1
PA-E3 Serial Port Adapter Installation and Configuration
OL-3502-04
1
Overview
This chapter describes the one-port PA-E3 and two-port PA-2E3 serial port adapters. This chapter
contains the following sections:
•
Port Adapter Overview, page 1-1
•
•
Cables, Connectors, and Pinouts, page 1-4
•
Management Information Base, page 1-5
•
Port Adapter Slot Locations on the Supported Platforms, page 1-5
•
Identifying Interface Addresses, page 1-15
•
Interoperability Guidelines for PA-E3 DSUs, page 1-20
Port Adapter Overview
The PA-E3 is a single-width, one-port or two-port port adapter that integrates data service unit (DSU)
functionality into the Cisco router (see
and
). The port adapters provides one or
two high-speed serial E3 interfaces.
Note
Port adapters have a handle attached, but this handle is occasionally not shown in figures in this
publication to allow a full view of detail on the port adapter’s faceplate.
Figure 1-1
One-Port PA-E3 Serial Port Adapter
H10607
RCLK
XMTR
RCVR
ENABLED
FERF
OOF
RL
LL
AIS
E3 SERIAL