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PA-4R Half-Duplex Token Ring Port Adapter Installation and Configuration
OL-3589-01
Cisco 7200 Series and the 4R Port Adapter
Cisco 7200 Series and the 4R Port Adapter
The 4R port adapter can be installed in any of the available port adapter slots in Cisco 7200 series routers
(which consists of the 2-slot Cisco 7202, 4-slot Cisco 7204, and the 6-slot Cisco 7206). shows a Cisco
7206 with a 4R port adapter installed in port adapter slot 6.
Figure 15 Cisco 7206 with a 4R Port Adapter in Port Adapter Slot 6
The following sections include information specific to the 4R port adapter and its use in the Cisco 7200
series routers:
• Installing or Replacing a Port Adapter in Cisco 7200 Series Routers, page 27
• Attaching 4R Port Adapter Interface Cables, page 30
• Configuring the 4R Interfaces, page 31
Installing or Replacing a Port Adapter in Cisco 7200 Series Routers
This section provides the standard procedures for installing or replacing port adapters in a Cisco 7200
series router.
Depending on your circumstances, you might need to install a new port adapter in a Cisco 7200 series
router or replace a failed port adapter in the field. In either case no tools are necessary; all port adapters
available for the Cisco 7200 series connect directly to the router midplane and are locked into position
by a port adapter lever. When removing and replacing a port adapter, you will need an antistatic mat onto
which you can place a removed port adapter and an antistatic container into which you can place a failed
port adapter for shipment back to the factory.
Note The Cisco 7200 series routers support OIR; therefore, you do not have to power down the Cisco 7200
series routers when removing and replacing a port adapter.
When a port adapter slot is not in use, a blank port adapter must fill the empty slot to allow the router to
conform to EMI emissions requirements and to allow proper air flow across the port adapters. If you plan
to install a new port adapter in a slot that is not in use, you must first remove a blank port adapter.
H6762
ETHERNET 10BT
E
N
A
B
L
E
D
0
2
1
3
L
IN
K
0
1
2
3
FAST SERIAL
E
N
T
D
T
C
R
D
R
C
L
B
C
D
T
D
T
C
R
D
R
C
L
B
C
D
T
D
T
C
R
D
R
C
L
B
C
D
T
D
T
C
R
D
R
C
L
B
C
D
E
N
A
B
L
E
D
M
II
LIN
K
R
J45
FAST ETHERNET
0
TOKEN RING
0
1
2
3
0
2
4
1
3
5
6
ETH
ERN
ET-10BF
L
E
N
R
X
0
1
2
3
4
T
X
R
X
T
X
R
X
T
X
R
X
T
X
R
X
T
X
FAST ETHERNET INPUT/OUTPUT CONTROLLER
ENABLED
PCMCIA
EJECT
SLOT 0
SLOT 1
FE MII
4R port adapter
MII
EN
RJ-45
EN
RJ-45
RJ-45
LINK
1O PWR
OK