Cisco PA-MC-T3 Instruction Manual

CHAPTER
3-1
PA-MC-T3 Port Adapter Installation and Configuration
OL-2695-05
3
Removing and Installing Port Adapters
This chapter describes how to remove the PA-MC-T3 port adapter from supported platforms and also
how to install a new or replacement port adapter. This chapter contains the following sections:
•Handling Port Adapters, page 3-1
•Online Insertion and Removal, page 3-2
•Warnings and Cautions, page 3-3
•Port Adapter Removal and Installation, page 3-4
•Connecting a PA-MC-T3 Cable, page 3-16
Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Handling Port Adapters
Caution Always handle the port adapter by the carrier edges and handle; never touch the port adapter components
or connector pins. (See Figure 3-1.)
Caution Each port adapter circuit board is mounted to a metal carrier and is sensitive to electrostatic discharge
(ESD) damage.
Warning During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the midplane with your hand or any metal tool, or you could shock yourself. Statement 181
Warning Blank faceplates and cover panels serve three important functions: they prevent exposure to
hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not
operate the system unless all cards, faceplates, front covers, and rear covers are in place.
Statement 1029

3-2
PA-MC-T3 Port Adapter Installation and Configuration
OL-2695-05
Chapter 3 Removing and Installing Port Adapters
Online Insertion and Removal
Figure 3-1 Handling a Port Adapter
Online Insertion and Removal
Several platforms support online insertion and removal (OIR) of port adapters; therefore, you do not
have to power down routers when removing and replacing a PA-MC-T3 on the Cisco 7200 series routers,
Cisco 7200 VXR routers, Cisco uBR7200 series routers, Cisco 7201 router, Cisco 7301 router, or
Cisco 7401ASR router.
Although the Catalyst RSM/VIP2, Catalyst 6000 family FlexWAN module, Cisco 7304 PCI port adapter
carrier card, and VIP support OIR, individual port adapters do not. To replace port adapters, you must
first remove the Catalyst RSM/VIP2, Catalyst 6000 family FlexWAN module, Cisco 7304 PCI port
adapter carrier card, or VIP from the router and then install or replace port adapters as required. If a
blank port adapter is installed on the Catalyst RSM/VIP2, Catalyst 6000 family FlexWAN module,
Cisco 7304 PCI port adapter carrier card, or VIP on which you want to install a new port adapter, you
must first remove the Catalyst RSM/VIP2, Catalyst 6000 family FlexWAN module, Cisco 7304 PCI port
adapter carrier card, or VIP from the router and then remove the blank port adapter.
It is wise to gracefully shut down the system before removing a port adapter that has active traffic moving
through it. Removing a port adapter while traffic is flowing through the ports can cause system
disruption. Once the port adapter is inserted, the ports can be brought back up.
Caution To prevent system problems, do not remove the port adapter from the Catalyst RSM/VIP2, Catalyst 6000
family FlexWAN module, Cisco 7304 PCI port adapter carrier card, or VIP or attempt to install other
port adapters when the system is operating. To install or replace port adapters, first remove the Catalyst
RSM/VIP2, Catalyst 6000 family FlexWAN module, Cisco 7304 PCI port adapter carrier card, or VIP
from the router.
Note As you disengage the port adapter from the router or switch, OIR administratively shuts down all active
interfaces in the port adapter.
OIR allows you to install and replace port adapters while the router is operating; you do not need to
notify the software or shut down the system power, although you should not run traffic through the port
adapter you are removing while it is being removed. OIR is a method that is seamless to end users on
the network, maintains all routing information, and preserves sessions.
The following is a functional description of OIR for background information only; for specific
procedures for installing and replacing a port adapter in a supported platform, refer to the “Port Adapter
Removal and Installation” section on page 3-4.
H6420
Metal carrier
Printed circuit board

3-3
PA-MC-T3 Port Adapter Installation and Configuration
OL-2695-05
Chapter 3 Removing and Installing Port Adapters
Warnings and Cautions
Each port adapter has a bus connector that connects it to the router. The connector has a set of tiered pins
in three lengths that send specific signals to the system as they make contact with the port adapter. The
system assesses the signals it receives and the order in which it receives them to determine if a port
adapter is being removed from or introduced to the system. From these signals, the system determines
whether to reinitialize a new interface or to shut down a disconnected interface.
Specifically, when you insert a port adapter, the longest pins make contact with the port adapter first, and
the shortest pins make contact last. The system recognizes the signals and the sequence in which it
receives them.
When you remove or insert a port adapter, the pins send signals to notify the system of changes. The
router then performs the following procedure:
1. Rapidly scans the system for configuration changes.
2. Initializes newly inserted port adapters or administratively shuts down any vacant interfaces.
3. Brings all previously configured interfaces on the port adapter back to their previously installed
state. Any newly inserted interface is put in the administratively shutdown state, as if it was present
(but not configured) at boot time. If a similar port adapter type is reinserted into a slot, its ports are
configured and brought online up to the port count of the originally installed port adapter of that
type.
Note Before you begin installation, read Chapter 2, “Preparing for Installation,” for a list of parts and tools
required for installation.
Warnings and Cautions
Observe the following warnings and cautions when installing or removing port adapters.
Caution Each port adapter circuit board is mounted to a metal carrier and is sensitive to electrostatic discharge
(ESD) damage.
Warning Blank faceplates and cover panels serve three important functions: they prevent exposure to
hazardous voltages and currents inside the chassis; they contain electromagnetic interference (EMI)
that might disrupt other equipment; and they direct the flow of cooling air through the chassis. Do not
operate the system unless all cards, faceplates, front covers, and rear covers are in place.
Statement 1029
Caution When powering off the router, wait a minimum of 30 seconds before powering it on again.
Caution Do not slide a port adapter all the way into the slot until you have connected all required cables. Trying
to do so disrupts normal operation of the router or switch.

3-4
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Port Adapter Removal and Installation
In this section, the illustrations that follow give step-by-step instructions on how to remove and install
port adapters. This section contains the following illustrations:
•Catalyst RSM/VIP2—Removing and Installing a Port Adapter, page 3-5
•FlexWAN Module—Removing and Installing a Port Adapter, page 3-6
•Cisco 7200 Series Routers and Cisco 7200 VXR Routers—Removing and Installing a Port Adapter,
page 3-7
•Cisco uBR7200 Series Routers—Removing a Port Adapter, page 3-8
•Cisco uBR7200 Series Routers—Installing a Port Adapter, page 3-9
•Cisco 7201 Router—Removing and Installing a Port Adapter, page 3-10
•Cisco 7301 Router—Removing and Installing a Port Adapter, page 3-11
•Cisco 7304 PCI Port Adapter Carrier Card—Removing and Installing a Port Adapter, page 3-12
•Cisco 7401ASR Router—Removing and Installing a Port Adapter, page 3-14
•VIP—Removing and Installing a Port Adapter, page 3-15
Note The PA-MC-T3 port adapter can be installed in port adapter slots 0 or 1 on the Catalyst RSM/VIP2
motherboard, the Catalyst 6000 family FlexWAN module, or the VIP and in any available port adapter
slot in all other systems.
Caution Each port adapter circuit board is mounted to a metal carrier and is sensitive to electrostatic discharge
(ESD) damage.
Warning During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the midplane with your hand or any metal tool, or you could shock yourself. Statement 181
Tip If a port adapter lever or other retaining mechanism does not move to the locked position, the port
adapter is not completely seated in the midplane. Carefully pull the port adapter halfway out of the slot,
reinsert it, and move the port adapter lever or other mechanism to the locked position.
Caution To prevent jamming the carrier between the upper and the lower edges of the port adapter slot, and to
ensure that the edge connector at the rear of the port adapter mates with the connection at the rear of the
port adapter slot, make certain that the carrier is positioned correctly, as shown in the cutaway in the
following illustrations.

3-5
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Catalyst RSM/VIP2—Removing and Installing a Port Adapter
Note: You must first remove the
Catalyst RSM/VIP2 from the chassis
before removing a port adapter from
the Catalyst RSM/VIP2.
Step 2
With the screw removed, grasp the
handle on the front of the
port adapter (or blank port adapter)
and carefully pull it out of its slot,
away from the edge connector at
the rear of the slot. (See A.)
Step 3
To install the port adapter, carefully
align the port adapter carrier
between the upper and the lower
edges of the port adapter slot.
(See B.)
Step 4
Install the screw in the rear of the
port adapter slot. Do not overtighten
the screw. (See A.)
Step 6
Reinstall the Catalyst RSM/VIP2
motherboard in the chassis and
tighten the captive installation
screw on each side of the Catalyst
RSM/VIP2 faceplate. (See C.)
26521
Upper edge
Lower edge
Carrier
A
B
UTP
TX
CHANNEL 1
AUX
CONSOLE
RX
TX
CHANNEL 0
RX
SLOT 1
RESET
PCMCIA
SLOT 0
CPU HALT
PCMICA
EJECT
STATUS
ROUTESWITCHMODULE
ENABLED
C
Screw
Step 1
To remove the port adapter,
remove the screw that secures
the port adapter (or blank
port adapter). (See A.)
Step 5
Carefully slide the new
port adapter into the port adapter
slot until the connector on the
port adapter is completely seated in
the connector at the rear of the
port adapter slot. (See B.)
Slot
guide

3-6
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
FlexWAN Module—Removing and Installing a Port Adapter
Note: You must first remove the
Catalyst 6000 FlexWAN module
from the chassis before removing a
port adapter from the Catalyst 6000
FlexWAN module.
Step 2
With the screw removed, grasp the
handle on the front of the
port adapter (or blank port adapter)
and carefully pull it out of its bay,
away from the edge connector at
the rear of the bay. (See A.)
Step 3
To install the port adapter, carefully
align the port adapter carrier
between the upper and the lower
edges of the port adapter bay.
(See B.)
Step 5
Install the screw in the rear of the
port adapter bay. Do not overtighten
the screw. (See A.)
Step 6
Reinstall the Catalyst 6000 FlexWAN
module in the chassis, and tighten
the captive installation screw on
each side of the Catalyst 6000
FlexWAN module faceplate. (See C.)
33113
B
A
C
Step 1
To remove the port adapter,
remove the screw that
secures the port adapter (or
blank port adapter). (See A.)
Step 4
Carefully slide the new
port adapter into the port adapter
bay until the connector on the
port adapter is completely seated in
the connector at the rear of the
port adapter slot. (See B.)
Slot
guide
Screw
FAN
LED
2
3
4
5
6
7
8
9
SUPERVISOR I
STATUS
SYSTEM
ACTIVE
PWR MGMT
RESET
CONSOLE1%PCMCIA EJECT
LINK
LINK
SUPERVISOR I
WS-X6K-SUP1
STATUS
SYSTEM
ACTIVE
PWR MGMT
RESET
CONSOLE
SwitchLoad
100%
1%
DTE/
DCE
PCMCIAEJECT
PORT1
LINK
PORT2
LINK
8PORTGIGABITETHERNET
WS-X6408
1
LINK
STATUS
2345678
LINK
LINK
LINK
LINK
LINK
LINK
LINK
8PORTGIGABIT ETHERNET
WS-X6408
1
LINK
STATUS
2345678
LINK
LINK
LINK
LINK
LINK
LINK
LINK
8PORTGIGABITETHERNET
WS-X6408
1
LINK
STATUS
2345678
LINK
LINK
LINK
LINK
LINK
LINK
LINK
24PORT100FX
WS-X6224
STATUS
24PORT100FX
WS-X6224
STATUS
24PORT100FX
WS-X6224
STATUS
1
LINK
2
LINK
3
LINK
4
LINK
5
LINK
6
LINK
7
LINK
8
LINK
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LINK
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1
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LINK
STATUS

3-7
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco 7200 Series Routers and Cisco 7200 VXR Routers—Removing and
Installing a Port Adapter
Step 1
To remove the port adapter, place
the port adapter lever in the
unlocked position. (See A.) The
port adapter lever remains in the
unlocked position.
Step 2
Grasp the handle of the port adapter
and pull the port adapter from the
router, about halfway out of its slot.
If you are removing a blank port
adapter, pull the blank port adapter
completely out of the chassis slot.
Step 3
With the port adapter halfway out of
the slot, disconnect all cables from
the port adapter. After disconnecting
the cables, pull the port adapter
from its chassis slot.
Step 4
To insert the port adapter, carefully
align the port adapter carrier
between the upper and the lower
edges of the port adapter slot.
(See B.)
Step 5
Carefully slide the new port adapter
halfway into the port adapter slot.
(See B.)
Step 6
With the port adapter halfway into
the slot, connect all required cables
to the port adapter. After connecting
all required cables, carefully slide
the port adapter all the way into the
slot until the port adapter is seated
in the router midplane.
Step 7
After the port adapter is properly
seated, lock the port adapter lever.
(See A.)
27996
2
0
4
1
3
5
6
FAST SERIAL
EN
TD
TC
RD
RC
LB
CD
TD
TC
RD
RC
LB
CD
TD
TC
RD
RC
LB
CD
TD
TC
RD
RC
LB
CD
TOKENRING
0
1
2
3
Cisco 7200
Series
CPURESET
ENABLED
MII
EN
RJ45
EN
RJ45
LINK
1OPWR
OK
RJ-45
FAST ETHERNET INPUT/OUTPUT CONTROLLER
PCMCIA
EJECT
SLOT 0
SLOT 1
FE MII
ENABLED
MII
LINK
RJ45
FASTETHERNET
0
ETHERNET10BT
ENABLED
0
2
1
3
LINK
0
1
2
3
Port adapter lever
(locked position)
Port adapter lever
(unlocked position)
Note: This adapter
removal applies to any
port or service adapter.
A
B
MII
EN
RJ45
EN
RJ45
LINK
1OPWR
OK
RJ-45
CPURESET
FAST ETHERNET INPUT/OUTPUT CONTROLLER
ENABLED
PCMCIA
EJECT
SLOT 0
SLOT 1
FE MII
2
4
6
Cisco 7200
Series
1
3
5
ETHERNET10BT
ENABLED
0
2
1
3
LINK
0
1
2
3
ENABLED
MII
LINK
RJ45
FASTETHERNET
0
TOKEN RING
0
1
2
3
Slot
guide

3-8
PA-MC-T3 Port Adapter Installation and Configuration
OL-2695-05
Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco uBR7200 Series Routers—Removing a Port Adapter
Port adapter lever
(locked position)
Port adapters
Port adapter lever
(unlocked position)
Port adapter
retention clip
(locked position)
Port adapters
Port adapter
retention clip
(unlocked position)
Step 1
To remove the port adapter,
unlock the port adapter
retaining mechanism. The port
adapter lever remains in the
unlocked position.
Place the port adapter lever
(Cisco uBR7223, see A), or
the port adapter retention clip
(Cisco uBR7246 and Cisco
uBR7246 VXR, see B) in the
unlocked position. Either
mechanism remains in the
unlocked position.
Step 2
Grasp the handle of the port
adapter and pull the port
adapter from the router, about
halfway out of its slot.
If you are removing a blank
port adapter, pull the blank
port adapter completely out of
the chassis slot.
Step 3
With the port adapter halfway
out of the slot, disconnect all
cables from the port adapter.
After disconnecting the cables,
pull the port adapter from its
chassis slot.
26523
Note: This adapter
removal applies to any
port or service adapter.
A
B

3-9
PA-MC-T3 Port Adapter Installation and Configuration
OL-2695-05
Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco uBR7200 Series Routers—Installing a Port Adapter
Step 1
To insert the port adapter, carefully
align the port adapter carrier
between the upper and the lower
edges of the port adapter slot.
Step 2
Carefully slide the new port adapter
halfway into the port adapter slot.
Step 3
With the port adapter halfway into
the slot, connect all required cables
to the port adapter. After connecting
all required cables, carefully slide
the port adapter all the way into the
slot until the port adapter is seated in
the router midplane.
Step 4
After the port adapter is properly
seated, lock the port adapter lever or
retention clip, depending on your
system. (See illustration on
preceding page.)
26524
Inside
slot guide
Metal carrier
PC board

3-10
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco 7201 Router—Removing and Installing a Port Adapter
170902
ALARM
RJ45ENLINK
TXRX
GBIC
GIGABIT ETHERNET0/2
RJ45ENLINK
TXRX
GBIC
GIGABIT ETHERNET0/0
RJ45 ENLINK
TXRX
GBIC
GIGABIT ETHERNET0/1
CISCO7301
SLOT1
CONSOLE
AUX
COMP
ACT
FLASHST
A
TUS
100-240V, 2A, 50/60Hz
24V
=
9A, 48- 60V
=
5A
GE 0/0 GE 0/1 GE 0/2 GE 0/3 AUX
CONSOLE
MNGMNT USE ONLY
FE
LINK
0
FE 0/0
RJ45
SFP SFP SFP SFP
LINK/ACTV ALARM
PWR OK
STATUS
CF
ACTV
COMPACTFLASH
LINK/ACTV
RX
TX
LINK/ACTV
LINK/ACTV
RX
TX
EN
RJ45 EN
ENABLED
RX CELLS
RX CARRIER
RX ALARM
ATM
Cisco 7201
Step 1
Use an ESD wrist strap to ground yourself to the router.
Step 2
To remove the port adapter, place the port adapter lever in the unlocked position. The port adapter lever
remains in the unlocked position.
Step 3
Grasp the handle of the port adapter and pull the port adapter about halfway out of its slot. If you are
removing a blank port adapter, pull the blank port adapter completely out of the chassis slot.
Step 4
With the port adapter halfway out of the slot, disconnect all cables from the port adapter.
After disconnecting the cables, pull the port adapter from the chassis slot.
Caution
The port adapter must slide into the slot guides close to the chassis lid. Do not allow the port adapter
components to come in contact with the system board or the port adapter could be damaged.
Step 5
To insert the port adapter, carefully align the port adapter carrier in the slot guides. Slide the new port
adapter halfway into the chassis.
Step 6
Connect all the required cables to the port adapter. After connecting all required cables, carefully slide the
port adapter all the way into the slot until the port adapter is seated in the midplane.
Step 7
After the port adapter is properly seated, lock the port adapter lever.

3-11
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco 7301 Router—Removing and Installing a Port Adapter
84129
ALARM
RJ45ENLINK
TXRX
GBIC
GIGABIT ETHERNET0/2
RJ45 ENLINK
TXRX
GBIC
GIGABIT ETHERNET0/0
RJ45 ENLINK
TXRX
GBIC
GIGABIT ETHERNET0/1
CISCO7411
SLOT1
CONSOLE
AUX
COMP
ACT
FLASHST
A
TUS
100-240V, 2A, 50/60Hz
24V
=
9A, 48 - 60V
=
5A
A
ENABLED
RXCELLS
RXCARRIER
RXALARM
ATM
BA
Step 1
Use an ESD wrist strap to ground yourself to the router.
Step 2
To remove a port adapter, use a Phillips screwdriver to turn the screw holding the port adapter latch. The screw
should be loose enough to allow the latch to rotate to an unlocked position. (See A.) The latch can rotate 360˚.
Step 3
Grasp the handle and pull the port adapter from the router, about halfway out of its slot. (See B.) If you are
removing a blank port adapter, pull the blank port adapter completely out of the chassis slot.
Step 4
With the port adapter halfway out of the slot, diconnect all cables from the port adapter. After disconnecting
the cables, pull the port adapter from its chassis slot.
Caution
The port adapter must slide into the slot guides close to the chassis lid. (See C.) Do not allow the port
adapter components to come in contact with the system board or the port adapter could be damaged.
Step 5
To insert the port adapter, carefully align the port adapter carrier in the slot guides. (See C.) Slide the new
port adapter halfway into the chassis.
Step 6
Connect all required cables to the port adapter. After connecting all required cables, carefully slide the port
adapter all the way into the slot until the port adapter is seated in the midplane.
Step 7
After the port adapter is properly seated, turn and secure the port adapter latch in the upright, locked
position. (See A.) Tighten the screw to ensure the port adapter remains firmly in place.
B
C

3-12
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco 7304 PCI Port Adapter Carrier Card—Removing and Installing a Port
Adapter
You can install one single-width port adapter in a Cisco 7304 PCI port adapter carrier card. This section
provides step-by-step instructions for removing and installing a port adapter in a Cisco 7304 PCI port
adapter carrier card.
Caution When performing the following procedures, wear a grounding wrist strap to avoid ESD damage to the
Cisco 7304 PCI port adapter carrier card. Some platforms have an ESD connector for attaching the wrist
strap.
Warning During this procedure, wear grounding wrist straps to avoid ESD damage to the card. Do not directly
touch the backplane with your hand or any metal tool, or you could shock yourself. Statement 94
To remove and install a port adapter in a Cisco 7304 PCI port adapter carrier card, refer to Figure 3-2
and do the following:
Step 1 If the Cisco 7304 PCI port adapter carrier card is still in the router, you must remove the Cisco 7304 PCI
port adapter carrier card before removing a port adapter.
Step 2 To remove the port adapter from the Cisco 7304 PCI port adapter carrier card, turn the port adapter lock
from its locked and horizontal position shown in A of Figure 3-2 to its unlocked and vertical position
shown in B of Figure 3-2.
Step 3 Grasp the handle of the port adapter and pull the port adapter from the Cisco 7304 PCI port adapter
carrier card. (You have already disconnected the cables from the port adapter when removing the
Cisco 7304 PCI port adapter carrier card.)
Step 4 To insert the port adapter in the Cisco 7304 PCI port adapter carrier card, locate the guide rails inside
the Cisco 7304 PCI port adapter carrier card that hold the port adapter in place. They are at the top left
and top right of the port adapter slot and are recessed about an inch, as shown in C of Figure 3-2.
Step 5 Carefully slide the port adapter in the Cisco 7304 PCI port adapter carrier card until the port adapter
makes contact with the port adapter interface connector. When fully seated, the port adapter front panel
should be flush with the face of the Cisco 7304 PCI port adapter carrier card.
Step 6 After the port adapter is properly seated, turn the port adapter lock to its locked and horizontal position,
as shown in A of Figure 3-2.

3-13
PA-MC-T3 Port Adapter Installation and Configuration
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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Figure 3-2 illustrates how to remove and install a port adapter in a Cisco 7304 PCI port adapter carrier
card.
Figure 3-2 Cisco 7304 PCI Port Adapter Carrier Card—Port Adapter Removal and Installation
84657
7300-CC-PA
OIR
STATUS
7300 PA CARRIER
ENABLED
RX CELLS
RX CARRIER
RX ALARM
ATM
A
C
7300-CC-PA
OIR
STATUS
7300 PA CARRIER
B
7300-CC-PA
ENABLED
RX CELLS
RX CARRIER
RX ALARM
ATM

3-14
PA-MC-T3 Port Adapter Installation and Configuration
OL-2695-05
Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
Cisco 7401ASR Router—Removing and Installing a Port Adapter
57643
Step 1
To remove the port adapter, use a number 2 Phillips screwdriver to loosen the screw on the port adapter
latch. Rotate the port adapter latch until it clears the faceplate of the port adapter. (See A.) The latch can
rotate 360˚.
Step 2
Pull the port adapter from the router, about halfway out of its slot. (If you remove a blank port adapter, keep
the blank port adapter for use in the router if you should ever remove the port adapter. The port adapter slot
must always be filled.)
Step 3
With the port adapter halfway out of the slot, disconnect all cables from the port adapter. After
disconnecting the cables, pull the port adapter completely out of the chassis slot.
Step 4
To insert the port adapter, locate the port adapter slot guides inside the Cisco 7401ASR router. They are
near the top, and are recessed about 1/2 inch. (See B.)
Caution
The port adapter must slide into the slot guides under the chassis lid. Do not allow the port adapter
components to come in contact with the system board, or the port adapter could be damaged.
Step 5
Insert the port adapter in the slot guides halfway, and then reconnect the port adapter cables.
Step 6
After the cables are connected, carefully slide the port adapter all the way into the slot until the port adapter
is seated in the router midplane. When installed, the port adapter input/output panel should be flush with the
face of the router.
Step 7
After the port adapter is properly seated, rotate the port adapter latch to the upright locked position and use
a number 2 Phillips screwdriver to tighten the latch screw. If needed, loosen the latch screw to rotate the
latch over the port adapter. Finish the installation by tightening the latch screw.
ENABLED
RX CELLS
RX CARRIER
RX ALARM
TX
RX
ENHANCED ATM
ENABLED
RXCELLS
RXCARRIER
RXALARM
TX
RX
ENHANCED ATM
B
A
LockedUnlocked

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Chapter 3 Removing and Installing Port Adapters
Port Adapter Removal and Installation
VIP—Removing and Installing a Port Adapter
Note: You must first remove the VIP
from the chassis before removing a port
adapter from the VIP.
Step 1
To remove the port adapter, remove
the screw that secures the port
adapter (or blank port adapter).
(See A.)
Step 2
With the screw removed, grasp the
handle on the front of the port adapter
(or blank port adapter) and carefully pull
it out of its slot, away from the edge
connector at the rear of the slot. (See A.)
Step 3
To insert the port adapter, carefully align
the port adapter carrier between the
upper and the lower edges of the port
adapter slot. (See B.)
Step 4
Carefully slide the new port adapter into
the port adapter slot until the connector
on the port adapter is completely seated
in the connector at the rear of the port
adapter slot. (See B.)
Step 5
Install the screw in the rear of the port
adapter slot on the VIP. Do not
overtighten the screw. (See A.)
Step 6
Carefully slide the VIP motherboard into
the interface processor slot until the
connectors at the rear of the VIP are
completely seated in the connectors at
the rear of the interface processor slot.
Use the ejector levers to seat the VIP in
the interface processor slot. Tighten the
captive installation screws on the VIP.
(See C.)
26520
Screw
Lower edge
Carrier
Upper edge
EJECT
SLOT0
SLOT 1
NORMAL
CPUHALT
RESET
AUX.
CONSOLE
ROUTE SWITCH PROCESSOR
A
B
C
Captive
installation
screw

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Chapter 3 Removing and Installing Port Adapters
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 “Cables, Connectors, and
Pinouts” section on page 1-5.
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 Figure 1-3).
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.)
Figure 3-3 Attaching 75-Ohm RG-59 Coaxial Cables to a PA-MC-T3
10881
To TX port
on external
T3 equipment
To RX port
on external
T3 equipment
ENABLED LOOP ALARM
OOF AIS LOS FERF
TX
MULTI-CHANNEL DS3
RX
BNC
cables
Attach ferrite
sleeve here
Attach ferrite
sleeve here

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Chapter 3 Removing and Installing Port Adapters
Connecting a PA-MC-T3 Cable
Caution To prevent system problems and to maintain the proper cable connection sequences, connect the RX and
TX ports on your PA-MC-T3 as indicated in Step 2.
Step 2 Attach the network ends of your two 75-ohm coaxial cables to your external T3 equipment as follows:
•Attach the coaxial cable from the PA-MC-T3 TX port to the RX port on your external T3 equipment.
•Attach the coaxial cable from the PA-MC-T3 RX port to the TX port on your external T3 equipment.
This completes the procedure for attaching 75-ohm coaxial cables to a PA-MC-T3. Proceed to Chapter 4,
“Configuring the PA-MC-T3” to configure the interfaces on the PA-MC-T3.

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Chapter 3 Removing and Installing Port Adapters
Connecting a PA-MC-T3 Cable