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Cables, Connectors, and Pinouts
After system initialization, the ENABLED LED goes on, indicating that the port adapter has been
enabled for operation.
The following conditions must be met before the PA-E3 is enabled:
•
•
•
If any of these conditions are not met, or if the initialization fails for other reasons, the ENABLED LED
does not go on.
Table 1-1
Table 1-1
Name
ENABLED
Uplink port status
Cables, Connectors, and Pinouts
The serial interface cable for the PA-E3, which is a 75-ohm coaxial cable, is used to connect your router
to a serial E3 network. Serial cables conform to EIA/TIA-612 and EIA/TIA-613 specifications. The
serial ports on the PA-E3 are considered to be DTE devices.
On a single PA-E3, there are one or two serial E3 ports, each with two connectors (receive and transmit),
where you connect the Cisco 75-ohm coaxial cable. The 75-ohm coaxial cable (Cisco part number
CAB-ATM-DS3/E3) for the PA-E3 is available only from Cisco Systems; it is not available from outside
commercial cable vendors.
The Cisco E3 75-ohm coaxial cable, which comes with an attached ferrite sleeve (see
available only in 10-foot (3.05-meter) lengths. Line build-out is programmable for up to 450 feet of
734A or equivalent coaxial cable or up to 225 feet for 728A or equivalent coaxial cable.
PA-E3 Serial Port Adapter Installation and Configuration
1-4
The port adapter contains a valid microcode version that has been downloaded successfully.
The port adapter is correctly connected to and receiving power from the Catalyst RSM/VIP2
motherboard, the Catalyst 6000 family FlexWAN module, the VIP, or the Cisco 7304 PCI Port
Adapter Carrier Card.
The bus recognizes the port adapter.
describes the PA-E3 LEDs.
PA-E3 LEDs
Color
State
Green
On
RCLK
Green
On
FERF
Yello
On
w
OOF
Yello
On
w
AIS
Yello
On
w
RL
Yello
On
w
LL
Yello
On
w
Meaning
Indicates that the port adapter is ready.
Indicates that a receive clock has been
detected.
Indicates that Framer detected Far End
Receive Failure.
Indicates that Framer detected Out of Frame.
Indicates that Framer detected Alarm
Indication Signal.
Indicates that port is in remote loopback
mode.
Indicates that port is in local loopback mode.
Chapter 1
Overview
Figure
1-5), is
OL-3502-04
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