Redback Networks SmartEdge 400 Installation instructions

Mounting the Chassis
4-8 SmartEdge 400 Router Hardware Guide
Install the Cable Management Brackets
The SmartEdge 400 router is shipped with a pair of cable management brackets; the bracket for the front
of the chassis is approximately 1.0 in (2.54 cm) longer than the bracket for the rear of the chassis. When
installed at the front of the chassis, a single bracket accommodates both fiber-optic and nonfiber cables.
To install the bracket for the front of the chassis, align it with the three screw holes at the right side of the
chassis and secure it with three 10-32 x 0.25-inch screws provided with the bracket; tighten each screw
using 15.0 inch-lbs torque (1.7 Newton-meters) maximum; see Figure 4-4.
The cable management bracket for the rear of the chassis routes the DC power cables and the DS-3 and E3
cables attached to the BNC connectors; you can install the bracket on either side of the chassis.
To install the bracket, align it with the three screw holes at the right or left side of the rear of the chassis
and secure it with three 10-32 x 0.25-inch screws provided with the bracket; tighten each screw using
15.0 inch-lbs torque (1.7 Newton-meters) maximum; see Figure 4-4, which illustrates the installation on
the right side of the chassis.
Figure 4-4 Installing the Cable Management Brackets

Mounting the AC Power Tray
Installing the Hardware 4-9
Mounting the AC Power Tray
The AC power tray provides slots for two AC power supplies; it allows a SmartEdge 400 router to be
installed at a site for which DC power sources are not available. An AC power supply connects to the
SmartEdge 400 chassis with a pair of AC power tray jumper cables using connectors on the rear of the AC
power tray.
The following sections describe the tasks to mount the AC power tray:
• Install the AC Power Tray Mounting Brackets
• Install the AC Power Tray
If you do not install the optional AC power tray, you must install or have available an external fuse panel,
either a standalone unit or incorporated in a DC power supply system, or circuit breaker panel, to be used
with the SmartEdge 400 router. We recommend that the panel provide separate A- and B-side power
connectors, so that the power redundancy provided by the SmartEdge 400 architecture can be used.
Install the AC Power Tray Mounting Brackets
Two pairs of mounting brackets, for 19-inch and 23-inch racks, are shipped with the AC power tray. Each
bracket requires two 10-32 x 0.25-inch screws, which are shipped with the brackets.
To install either version of the mounting brackets for the AC power tray, perform the following steps:
1. Position a mounting bracket against one side of the AC power tray, lining up the screw holes in the
bracket with the screw holes in the side of the AC power tray. Ensure that the bracket position
corresponds to the position of the chassis mounting brackets. Figure 4-5 and Figure 4-6 illustrate the
proper orientation for installing the brackets.
2. Using a Phillips screwdriver, secure the bracket to the AC power tray with the 10-32 x 0.25-inch screws
provided with the brackets; tighten each screw using 15.0 inch-lbs torque (1.7 Newton-meters)
maximum.
3. Repeat steps 1 and 2 to install the second bracket on the other side of the AC power tray.

Mounting the AC Power Tray
4-10 SmartEdge 400 Router Hardware Guide
Figure 4-5 Installing AC Power Tray Brackets for Flush Mount Position
Figure 4-6 Installing AC Power Tray Brackets for Extended Mount Position
Install the AC Power Tray
You mount the AC power tray directly below the chassis. To install the AC power tray in the rack, you need
four 12-24 or equivalent screws. Perform the following steps; see Figure 4-7:
1. Position the AC power tray directly below the SmartEdge 400 chassis so that the screw holes in the AC
power tray mounting brackets are aligned with the screw holes in the rack just below the chassis.
2. Using a Phillips screwdriver, secure the AC power tray to the rack with four 12-24 or equivalent screws;
tighten each screw using 30.0 inch-lbs torque (3.4 Newton-meters) maximum.

Connecting the Power Cables
Installing the Hardware 4-11
Figure 4-7 Positioning an AC Power Tray
Connecting the Power Cables
You can power the SmartEdge 400 router from either a DC or AC power source. To connect the appropriate
type of power source at the installation site, perform the tasks described in the following sections:
• Connect the Ground Cables and C-Bracket
• Connect the DC Power Sources
• Connect the AC Power Sources
Connect the Ground Cables and C-Bracket
The back panels of the SmartEdge 400 chassis and the AC power tray each have a pair of 10-32 studs,
which are used to attach a ground cable to each unit; if the AC power tray is installed, the studs are also
used to attach a C-bracket that provides additional stability for the AC power tray in the event of an
earthquake. The C-bracket installation is required only if the chassis and AC power tray are installed in a
23-inch rack.
The ground cables must be of a size suitable for the installation, and must be installed in accordance with
the National Electrical Code (in the United States), or the applicable local jurisdiction (outside the United
States) installation requirements.
Perform the following procedure for the chassis and, if installed, the AC power tray. To connect a ground
cable, perform the following steps:
1. Using a crimping tool, attach a two-hole lug to one end of the ground cable.
2. Place the connector over the studs at the rear of the chassis or AC power tray.
3. Secure the connection with a pair of lug nuts; with a 7/16-inch torque wrench, tighten the lug nuts using
15.0 inch-lbs torque (1.7 Newton-meters) maximum.

Connecting the Power Cables
4-12 SmartEdge 400 Router Hardware Guide
4. Connect the other end of the cable to an appropriate ground point.
To install the C-bracket, perform the following steps:
1. Place the bracket over the studs on both back panels with the open end of the bracket on the right; slide
the bracket over the studs until it is in full contact with the ground cable lug nuts on both back panels.
2. Secure the connection with a pair of lug nuts on each back panel; with the torque wrench, tighten the
lug nuts using 15.0 inch-lbs torque (1.7 Newton-meters) maximum. See Figure 4-8.
Figure 4-8 C-Bracket and Ground Cable Connections
Connect the DC Power Sources
The SmartEdge 400 chassis has four #8 terminal screws on the rear of the chassis for A- and B-side DC
power cables for full power redundancy. The A- and B-side power cables are connected to separate A- and
B-side connectors on the external fuse panel or circuit breaker panel.
The terminal screws are labeled “RTN_A”, “48V-A”, “RTN_B”, and “48V-B”. Each power cable must be
of a size suitable for the installation and installed in accordance with the National Electrical Code (in the
United States) or applicable local jurisdiction (outside the United States) installation requirements.
Caution Risk of equipment damage. Effective grounding of the chassis or AC power tray depends on the
ground cable connector being in full contact with the chassis or AC power tray. To reduce the
risk of ineffective grounding, always install the ground cables first and secure them with lugs
before installing the C-bracket.

Connecting the Power Cables
Installing the Hardware 4-13
The following DC power source warnings and cautions apply when connecting DC power sources:
Warning Risk of electrical shock. The system uses DC power sources, which can cause severe injury. To
reduce the risk, the DC power sources must be installed only in restricted access areas
(dedicated equipment rooms, equipment closets, or the like) in accordance with Articles
110-17, 110-26, and 110-27 of the National Electric Code, ANSI/NFPA 70. Connect the chassis
to a –48 VDC source that is reliably connected to earth.
Warning Risk of electrical shock. Because a system is fully powered on after all power connections are
made, it can cause shock if a power cable must be disconnected from the chassis. To reduce the
risk, a readily accessible disconnect device, such as a fuse in a fuse panel, must be provided in
the fixed wiring for each DC power source. It must be suitable for the rated voltage and current
specified.
Warning Risk of electrical shock. Safe operation of this equipment requires connection to a ground point.
To prevent possible injury from voltages on the telecommunications network, disconnect all
telecommunications network lines before disconnecting the unit from the ground point.
Warning Risk of electrical shock. This equipment uses –48 VDC power, which can cause shock if
inadequate power sources are connected to it. To reduce the risk, verify that the power sources
for the SmartEdge router meet the power specifications provided in the “Warnings” section in
Chapter 3, “Preparing for Installation,” and ensure that DC power cables meet the
specifications provided in the “Physical Specifications” section in the same chapter before
connecting the power cables.
Warning Risk of electrical shock. After the power cables are connected to the chassis and the fuse panel,
the system is fully powered on; there is no power switch. To reduce the risk, always remove the
fuses for both the A- and B-side power sources in the fuse panel before connecting the power
cables to the chassis.
Warning Risk of electrical shock. Improper grounding can result in an electrical shock. To reduce the
risk, this equipment must be connected to a protective ground in accordance with the
instructions provided in this guide.
Caution Risk of equipment damage. A DC-powered system uses –48 VDC power, is powered from a
fuse panel, and can be damaged by overloaded circuits. To reduce the risk, ensure that the fuses
in the external fuse panel are suitably rated for the installation in accordance with the National
Electrical Code (in the United States) or applicable local jurisdiction (outside the United States)
installation requirements.
Caution Risk of equipment damage. You can permanently damage the chassis if you attempt to apply DC
power to it and the DC power plugs are not installed in the connectors on the rear of the chassis.
To reduce the risk, ensure that the plugs are installed as described in the following procedure.

Connecting the Power Cables
4-14 SmartEdge 400 Router Hardware Guide
To connect the DC power cables, perform the following steps; see Figure 4-9:
1. Ensure that the DC jumper connector blocks are installed.
To enable either or both DC power connections, a DC jumper connector block are installed in the
connectors labeled “DC Input A” and “DC Input B”. Both blocks are installed even if you are
connecting only one DC power source. The chassis is shipped with these blocks installed.
2. Connect the negative power cable as follows:
a. Using a crimping tool, attach a ring or open lug to one end of a power cable. This step is optional.
b. If you have attached a ring lug to the DC power cable, remove the plastic safety cover over the
terminal block; the cover is attached by tension only.
c. Using a Phillips screwdriver, loosen the terminal screw labeled “–48V” on the left side (the A-side)
of the power tray.
d. Thread the power cable through the cable guide at the side of the chassis.
e. Connect the cable; perform one of the following actions, depending on the type of lug:
• Ring lug—Remove the terminal screw and place the ring lug over the terminal screw hole; then
insert and partially tighten the screw to hold the cable in place.
• Open lug or bare wire—Loosen the terminal screw and slide the ring lug or bare wire under the
screw; then partially tighten the screw to hold the cable in place.
f. With the Phillips screwdriver, tighten the screw using 10.0 inch-lbs torque (1.1 Newton-meters)
maximum.
3. Repeat step 2 to connect the positive power cable to the connector labeled “RTN”.
4. If you are connecting dual power sources, repeat steps 2 and 3 to connect the power cables to the
terminal screws labeled “RTN_B” and “48V-B”.
5. If you removed the plastic safety cover, install it over the DC terminal block; see Figure 4-10.
Figure 4-9 DC Power Connections

Connecting the Power Cables
Installing the Hardware 4-15
Figure 4-10 Installing the Plastic Safety Cover
Connect the AC Power Sources
To connect the SmartEdge 400 router to AC power sources, perform the following steps; see Figure 4-11:
1. Connect the AC power tray to the chassis:
a. Remove the DC jumper connector blocks from the connectors labeled “DC Input A” and
“DC Input B”.
b. Insert one end of an AC tray jumper cable in each of the “DC Input A” and “DC Input B”
connectors. The plugs are keyed so that you cannot install them incorrectly; install the plug with the
notched side down. Install both cables, even if the AC power tray contains a single power supply.
c. Insert the plug at the other end of each cable in the AC power tray connectors labeled
“48V_A Output” and “48V_B Output”, respectively.
3. Install the AC power cords:
a. Insert the ends of the retention clips in the openings provided on each side of the AC power cord
connectors on the rear of the AC power tray.
b. Insert an AC power cord in the connector for an installed power supply on the rear of the AC power
tray and pull down the retention clip to secure the plug. (Match the label by the power cord
connector with the label by the power supply slot.)
c. If the tray includes dual power supplies, repeat steps a and b for the second AC power cord.
Note If you connect the other end of the AC power cord to a building outlet, you will power on the
system; there is no ON/OFF switch on the AC power tray. Do not connect the AC power cords to
the building outlets until you have completed the installation.

Completing the Installation for the Cards
4-16 SmartEdge 400 Router Hardware Guide
Figure 4-11 AC Power Connections
Completing the Installation for the Cards
The chassis is shipped with all cards already installed, but you might need to install the transceivers in the
ports on any installed Gigabit Ethernet cards and an optional mass-storage device in the external slot in the
controller cards. These tasks are described in the following sections:
• Install Transceivers for Gigabit Ethernet Cards
• Install a Mass-Storage Device
Note the following guidelines for the installation of SmartEdge 400 cards:
• Card slots in the SmartEdge 400 chassis are numbered sequentially from top-to-bottom; see
Figure 4-12.
• Slots 5 and 6 are reserved for controller cards only.
— DS-3 and E3 cards can be installed only in slots 3 and 4; they cannot be installed in slots 1, 2, 5, or 6.
— Optical, Ethernet, and Gigabit Ethernet cards can be installed in any of slots 1 to 4.

Completing the Installation for the Cards
Installing the Hardware 4-17
Figure 4-12 Card Slots in the SmartEdge 400 Chassis
Table 4-2 summarizes the slot assignments for the SmartEdge 400 cards.
Table 4-2 Slot Assignments for SmartEdge 400 Cards
Card Slots Available
Controller 5, 6
OC-48c/STM-16c (any version),
OC-12c/STM-4c, OC-3c/STM-1c
1 to 4
ATM OC-12c/STM-4c (any version),
ATM OC-3c /STM-1c (any version)
1 to 4
ATM DS-3 3 and 4
Channelized OC-12 to DS-3 or DS-1,
Channelized STM-1 to E1
1 to 4
DS-3 (any version),
Clear-Channel E3
3 and 4
Channelized E1 1 to 4
Ethernet (any version) 1 to 4
Gigabit Ethernet (any version) 1 to 4

Completing the Installation for the Cards
4-18 SmartEdge 400 Router Hardware Guide
Install Transceivers for Gigabit Ethernet Cards
If this chassis includes the first or second version of the Gigabit Ethernet traffic card, you must install a
gigabit interface converter (GBIC) transceiver in each port; if the chassis includes the third version of the
Gigabit Ethernet traffic card, you must install a small form-factor pluggable (SFP) transceiver in each port.
These tasks are described in the following sections:
• Install a GBIC Transceiver
• Install an SFP Transceiver
Install a GBIC Transceiver
Perform the following steps to install a GBIC transceiver:
1. Put on an antistatic wrist strap (one is shipped with the system), and attach it to an appropriate grounded
surface.
2. With the receive connector at the left (the receive connector is distinguished by the arrow that points to
the rear of the transceiver), hold the transceiver as shown in Figure 4-13, and slide it into the opening
for the port until the rear connector is seated and the locking mechanism snaps into place.
• If the locking mechanism is a pair of latching tabs, they will snap into place.
• If the locking mechanism is a wire handle, push it down until it snaps into place.
Figure 4-13 Installing a GBIC Transceiver
Caution Risk of data loss. You can corrupt the system if you attempt to install transceivers (either GBICs
or SFPs) that are not purchased from Redback®, because these items have not been tested with
the SmartEdge router. To reduce the risk, install only the transceivers purchased from Redback.
These components have been tested with the SmartEdge router.
Note Do not attach the wrist strap to a painted surface; there is an ESD convenience jack located in
the lower right corner of the air intake panel on the front of the chassis.

Completing the Installation for the Cards
Installing the Hardware 4-19
Install an SFP Transceiver
Perform the following steps to install an SFP transceiver:
1. Put on an antistatic wrist strap (one is shipped with the system), and attach it to an appropriate grounded
surface.
2. Ensure that the latching mechanism is closed (in the up position).
3. With the receive connector at the left (the receive connector is distinguished by the arrow that points to
the rear of the transceiver), hold the transceiver as shown in Figure 4-14, and slide it into the opening
for the port until the rear connector is seated with an audible click.
4. Remove the dust cover.
Figure 4-14 Installing an SFP Transceiver
Note Do not attach the wrist strap to a painted surface; there is an ESD convenience jack located in
the lower right corner of the air intake panel on the front of the chassis.

Completing the Installation for the Cards
4-20 SmartEdge 400 Router Hardware Guide
Install a Mass-Storage Device
Each controller card has an external slot on the front panel in which you can install an optional Type I or
Type II mass-storage device.
To install a mass-storage device, perform the following steps:
1. Hold the device so that its pin-hole side faces the slot in the controller front panel.
2. Horizontally align the device as close to the bottom edge of the slot as possible and perpendicular to it;
see Figure 4-15.
3. Slowly insert the device in the slot. If the device does not engage the connectors with approximately
0.5 inches (1.27 cm) of the device outside the slot, do not continue. Remove the device and repeat this
step.
Figure 4-15 Installing a Mass-Storage Device
Note If you install a mass-storage device in the active controller card, the standby controller card, if
installed, must also have a mass-storage device installed; however, the device types (Type I or
Type II) need not match.
Caution Risk of equipment malfunction. On early versions of the XCRP Controller card, it is possible to
slide the mass-storage device into the slot without the internal pins engaging the device. When
this happens, it is not always possible to retrieve the device from the slot; the controller card
must be removed from the chassis and the front panel removed from the card. To reduce the risk,
ensure that you position the device as described in step 3.

Connecting and Routing the Cables
Installing the Hardware 4-21
Connecting and Routing the Cables
The following sections describe the tasks to connect and route the cables:
• Connections for Management Access
• Connections for System Management Cables
• Connections for Traffic Card Cables
• Connect and Route the Cables at the Front of the Chassis
• Connect and Route the Cables at the Rear of the Chassis
• Connect the Equipment and Network Ends of the Cables
Appendix A, “Cables and Pin Assignments,” describes SmartEdge 400 cable specifications.
Connections for Management Access
Connecting a console terminal or management workstation to the SmartEdge 400 router is often a
two-stage process. Initially the console terminal is connected to the Craft port (also referred to as the
console port) to configure the Ethernet port (also referred to as the management port); configuring the
management port and modifying the configuration of the console port is described in the Basic System
Configuration Guide for the SmartEdge OS. When the configuration is complete, you might need to alter
the connections for normal operations.
This section describes all types of management access connections:
• Management Workstation
• Local or Remote Console Terminal
Management Workstation
A management workstation is connected to the SmartEdge 400 router using the Ethernet port on the front
of a controller card. This type of connection provides access to the SmartEdge OS command-line interface
(CLI) after you have configured the port. Figure 4-16 shows the connections to the Ethernet ports on a pair
of controller cards.
Two types of connections are supported:
• Local connection using a shielded Ethernet crossover cable
• Remote connection using a shielded Ethernet straight cable
Neither type of connection is suitable during a reload operation, because the Ethernet port is disabled until
the reload is complete.

Connecting and Routing the Cables
4-22 SmartEdge 400 Router Hardware Guide
Figure 4-16 Connections for a Management Workstation
Local or Remote Console Terminal
A local or remote console terminal is connected to the SmartEdge 400 router using the Craft port on the
front of a controller card. This type of connection provides access to the SmartEdge OS CLI, either directly
or through a terminal server. Figure 4-17 shows the connection to the Craft port.
This port is always available; all system messages are directed to this port during a reload operation.
Figure 4-17 Connections for a Local or Remote Console
Note A null modem is needed when connecting this cable to a modem; it is not needed when connecting
it to a PC or terminal server.

Connecting and Routing the Cables
Installing the Hardware 4-23
Connections for System Management Cables
System management cables provide additional inputs and outputs that can enhance the operation of the
system. None of these connections are required for a SmartEdge 400 router to function correctly. See
Figure 4-18 for the location of the connectors for these cables on the rear of the chassis. The external timing
cable is the only system management cable supported in this release.
Figure 4-18 Connections for System Management Cables
An external timing cable provides a connection from an external synchronization source, such as a building
integrated timing supply (BITS) or synchronization supply unit (SSU), to a SmartEdge 400 router. Each
cable consists of two individually shielded, twisted wire pairs: one pair for the synchronization input and
another pair for the synchronization output. Two connections are possible: one from a primary source and
one from a secondary source. Either connection can provide timing for the entire chassis (input), regardless
of the configuration of the controller cards.
Note Support for the status and control port is dependent on the release of the operating system.

Connecting and Routing the Cables
4-24 SmartEdge 400 Router Hardware Guide
Connections for Traffic Card Cables
All traffic card cables, with the exception of the DS-3 and E3 cables, are connected to the front panels of
the cards; DS-3 and E3 cables are connected to the rear of the chassis. See the “Traffic Card Cables” section
in Appendix A, “Cables and Pin Assignments,” for cable specifications.
Not all ports are enabled on a low-density version of a traffic card; low density traffic cards are identified
by the label on the lower ejector lever.
Table 4-3 lists the port data for traffic cards; in the table, ER, IR, LR, and SR abbreviations are used for
Intermediate Reach, Long Reach, and Short Reach, respectively.
Table 4-3 Traffic Card Port Data
Type of Traffic Card/Description
Physical
Ports
Low-Density
Version
Low-Density
Port Numbers1
1. Support for the low-density version of a traffic card is dependent on the release of the operating system.
SONET/SDH
OC-48c/STM-16c SR
OC-48c/STM-16c LR
OC-12c/STM-4c IR
OC-3c/STM-1c IR
1
1
4
8
No
No
Yes
Yes
–
–
1 to 2
1 to 4
ATM
ATM OC-12c/STM-4c IR
Enhanced ATM OC-12c/STM-4c IR
2-port ATM OC-3c/STM-1c IR
4-port ATM OC-3c/STM-1c IR
ATM DS-3
1
1
2
4
12
No
No
No
Yes
Yes
–
–
–
1, 3
1 to 6
Channelized SONET
Channelized OC-12 to DS-1 IR
Channelized OC-12 to DS-3 IR
1
1
No
No
–
–
Channelized SDH
Channelized STM-1 to E1 IR 3 Yes 1
PDH
3-port Channelized DS-3
12-port Channelized DS-3
Clear-Channel DS-3
Clear-Channel E3
Channelized E1
3
12
12
6
24
No
Yes
Yes
No
Yes
–
1 to 6
1 to 6
–
1 to 12
Ethernet
10/100 Ethernet
FX-100 Ethernet
Gigabit Ethernet (any version)
12
12
4
Yes
No
Yes
1 to 6
–
1, 3

Connecting and Routing the Cables
Installing the Hardware 4-25
Connect and Route the Cables at the Front of the Chassis
Cable connections are made with standard cables. Appendix A, “Cables and Pin Assignments,” describes
the standard SmartEdge 400 cables and pin assignments.
To route the cables at the front of the chassis, perform the following steps:
1. Put on an antistatic wrist strap (one is shipped with the system), and attach it to an appropriate grounded
surface.
2. Connect and route the management access cables, depending on the type of management access you
have selected; see Figure 4-16 on page 4-22 for connecting a management workstation and Figure 4-17
on page 4-22 for connecting a local or remote console. To connect and route the cables, perform the
following steps:
a. Thread the system ends of the cables through the cable management bracket at the right side of the
chassis.
b. Insert each cable in the appropriate connector on the card.
c. Tie-wrap the cables from each controller card to form a bundle, and then tie each bundle to the cable
guide.
3. Starting with the traffic card installed in slot 4, connect and route the traffic card cables; see Figure 4-19:
a. Thread the system ends of the cables through the cable management bracket at the right side of the
chassis.
b. Insert each cable in the appropriate connector on the card.
c. Tie-wrap the cables from each controller card to form a bundle, and then tie each bundle to the cable
management bracket.
4. Repeat step 3 for the traffic cards in slots 3, 2, and 1.
Laser Risk of severe damage to your eyes. All versions of the optical cards are Class 1 products, which
use lasers to convert electrical signals to optical signals that can damage your eyes. To reduce the
risk when handling these optical cards, keep the connectors covered until you are ready to connect
the fiber-optic cables. When you remove a cover, do not stare into or directly view the laser beam
emerging from the connector.
Caution Risk of damage to fiber-optic cables. Fiber-optic cables are fragile and are easily damaged when
bent. To reduce the risk, never step on a cable; never twist it when connecting it to or
disconnecting it from an traffic card.
Note Do not attach the wrist strap to a painted surface; there is an ESD convenience jack located in
the lower right corner of the air intake panel on the front of the chassis.

Connecting and Routing the Cables
4-26 SmartEdge 400 Router Hardware Guide
Figure 4-19 Cable Routing at the Front of the SmartEdge 400 Chassis
Connect and Route the Cables at the Rear of the Chassis
Cable connections for the DS-3 and E3 ports are made with standard cables. Appendix A, “Cables and Pin
Assignments,” describes the standard SmartEdge 400 cables and pin assignments. Slots and ports for the
DS-3 and E3 cards are labeled on the rear panel of the chassis. To connect and route the cables at the rear
of the chassis, perform the following steps:
1. Put on an antistatic wrist strap (one is shipped with the system), and attach it to an appropriate grounded
surface.
2. For ATM DS-3, DS-3, and E3 cards installed in slots 3 and 4, attach the cables to the BNC connectors
at the rear of the chassis.
a. Thread the system ends of the cables through the cable management bracket at the left or right side
of the chassis.
b. Connect the cables to the BNC connectors; because of the close proximity of the connectors, a
Trompeter tool (to insert or extract BNC cables) can help you make the connections; see
Figure 4-20.
c. Gather the BNC cables and tie-wrap them so that each bundle contains both the transmit and receive
cables for each port on a single card; then attach the bundles to the cable management bracket.
Note Do not attach the wrist strap to a painted surface; there is an ESD convenience jack located in
the lower left corner of the on the rear of the chassis.

Connecting and Routing the Cables
Installing the Hardware 4-27
3. Optional. Connect and route the external timing cables; see Figure 4-21:
Attach the DB-9 ends of the external timing cables to the primary and secondary connectors, labeled
“Primary” and “Secondary”, at the left rear of the SmartEdge 400 chassis; tie the cables to the rack.
4. Tie and route the chassis ground cable and the DC power cables on the A- and B-sides, if installed, to
convenient locations on the rack.
Figure 4-20 Using a Trompeter Tool
Figure 4-21 Cable Routing at the Rear of the SmartEdge 400 Chassis
Note Support for the status and control port is dependent on the release of the operating system.