Hardware Installation Guide
Page 3
... Submitting a Service Request i-vi Overview 1-1 Clock Card Overview 1-1 Clock Source Overview 1-2 Modes of Operation 1-2 Interface Specifications and Pinouts 1-3 LEDs 1-4 Clock Card Location in the Cisco uBR7246 VXR Chassis 1-5 Preparing for Installation 2-1 Required Tools and Equipment 2-1 Software Requirements 2-1 Safety Guidelines 2-2 Safety Warnings 2-2 Electrical Equipment Guidelines 2-3 Preventing Electrostatic Discharge Damage 2-4 FCC Class A Compliance 2-4 Removing...
... Submitting a Service Request i-vi Overview 1-1 Clock Card Overview 1-1 Clock Source Overview 1-2 Modes of Operation 1-2 Interface Specifications and Pinouts 1-3 LEDs 1-4 Clock Card Location in the Cisco uBR7246 VXR Chassis 1-5 Preparing for Installation 2-1 Required Tools and Equipment 2-1 Software Requirements 2-1 Safety Guidelines 2-2 Safety Warnings 2-2 Electrical Equipment Guidelines 2-3 Preventing Electrostatic Discharge Damage 2-4 FCC Class A Compliance 2-4 Removing...
Hardware Installation Guide
Page 7
... the Cisco uBR7246 VXR Chassis, page 1-5 Clock Card Overview The Cisco Cable Clock Card (see Figure 1-1) is a dual-port field-replaceable component that is designed to provide a reliable national clock signal to a Global Positioning System (GPS) receiver generating a T1 clock signal. OL-26705-01 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal...
... the Cisco uBR7246 VXR Chassis, page 1-5 Clock Card Overview The Cisco Cable Clock Card (see Figure 1-1) is a dual-port field-replaceable component that is designed to provide a reliable national clock signal to a Global Positioning System (GPS) receiver generating a T1 clock signal. OL-26705-01 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal...
Hardware Installation Guide
Page 8
... a national clock signal throughout the chassis midplane to a supported cable interface line card, thus synchronizing communications over all cable interfaces in the Cisco uBR7246 VXR to either holdover or freerun operation. This is the normal mode of 10-11. Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 1-2 OL-26705...
... a national clock signal throughout the chassis midplane to a supported cable interface line card, thus synchronizing communications over all cable interfaces in the Cisco uBR7246 VXR to either holdover or freerun operation. This is the normal mode of 10-11. Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 1-2 OL-26705...
Hardware Installation Guide
Page 11
...card has lost contact with the clock card installed. Chapter 1 Overview Clock Card Location in the Cisco uBR7246 VXR Chassis The chassis slot of the Cisco uBR7246 VXR chassis into which the clock card can be installed is on to either a primary or secondary external clock... become the clock source for the Cisco uBR7246VXR Universal Broadband Router 1-5 OL-26705-01 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246 VXR. Note Freerun mode is correctly installed in and recognized by the Cisco uBR7246 VXR chassis. FAULT Amber Indicates a hardware failure...
...card has lost contact with the clock card installed. Chapter 1 Overview Clock Card Location in the Cisco uBR7246 VXR Chassis The chassis slot of the Cisco uBR7246 VXR chassis into which the clock card can be installed is on to either a primary or secondary external clock... become the clock source for the Cisco uBR7246VXR Universal Broadband Router 1-5 OL-26705-01 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246 VXR. Note Freerun mode is correctly installed in and recognized by the Cisco uBR7246 VXR chassis. FAULT Amber Indicates a hardware failure...
Hardware Installation Guide
Page 12
MCI6 DS US 1 US 2 US 5 uBR - Clock Card Location in the Cisco uBR7246 VXR Chassis Chapter 1 Overview Figure 1-4 Clock Card Location in the Cisco uBR7246 VXR Optional Fast Ethernet port (MII receptacle and RJ-45 receptacle) PCMCIA slots Auxiliary port Console port... DS US1 US 2 US 5 uBR - MCI6 US 5 DS Cable F connectors 31496 I/O controller Port adapters Cable interface line cards Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 1-6 OL-26705-01 MCI6 DS US1 US 2 uBR - CLK-T1 FAULT US ENABLED 0 US ENABLED 0 US...
MCI6 DS US 1 US 2 US 5 uBR - Clock Card Location in the Cisco uBR7246 VXR Chassis Chapter 1 Overview Figure 1-4 Clock Card Location in the Cisco uBR7246 VXR Optional Fast Ethernet port (MII receptacle and RJ-45 receptacle) PCMCIA slots Auxiliary port Console port... DS US1 US 2 US 5 uBR - MCI6 US 5 DS Cable F connectors 31496 I/O controller Port adapters Cable interface line cards Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 1-6 OL-26705-01 MCI6 DS US1 US 2 uBR - CLK-T1 FAULT US ENABLED 0 US ENABLED 0 US...
Hardware Installation Guide
Page 16
...can radiate radio-frequency energy and, if not installed and used in a commercial environment. Operation of the strap to an unfinished chassis surface. • When installing a component, use any available ejector levers or captive installation screws to meet these requirements. Although...radio. • Plug the equipment into an outlet that are integral components of the antistatic strap. Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 2-4 OL-26705-01 Port adapters and processor modules comprise printed circuit boards that ...
...can radiate radio-frequency energy and, if not installed and used in a commercial environment. Operation of the strap to an unfinished chassis surface. • When installing a component, use any available ejector levers or captive installation screws to meet these requirements. Although...radio. • Plug the equipment into an outlet that are integral components of the antistatic strap. Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 2-4 OL-26705-01 Port adapters and processor modules comprise printed circuit boards that ...
Hardware Installation Guide
Page 18
... unless you begin installation, read Chapter 2, "Preparing for Installation" for a list of parts and tools required for the Cisco uBR7246VXR Universal Broadband Router 3-2 OL-26705-01 Warnings and Cautions Observe the following warnings and cautions when installing or removing the clock card... connect the primary and/or secondary DB-15 T1 cables until the clock card has been installed in the chassis. Removing the clock card from the chassis before powering off the Cisco uBR7246 VXR. never touch the clock card's components or connector pins. (See Figure 3-1.) Figure 3-1 Handling...
... unless you begin installation, read Chapter 2, "Preparing for Installation" for a list of parts and tools required for the Cisco uBR7246VXR Universal Broadband Router 3-2 OL-26705-01 Warnings and Cautions Observe the following warnings and cautions when installing or removing the clock card... connect the primary and/or secondary DB-15 T1 cables until the clock card has been installed in the chassis. Removing the clock card from the chassis before powering off the Cisco uBR7246 VXR. never touch the clock card's components or connector pins. (See Figure 3-1.) Figure 3-1 Handling...
Hardware Installation Guide
Page 20
...-T1 FAULT US ENABLED 0 US 1 US 2 uBR - MCI6 DS Step 3 Unscrew the captive installation screws on an antistatic surface with its chassis slot. PRI ENABLE LOS ACTIVE HOLDOVER FREERUN SEC uBR - Step 5 Place the clock card on the front of the clock card. MCI6 DS...ENABLED 0 US1 US 2 US 5 uBR - MCI6 DS US ENABLED 0 US 1 US 2 US 5 uBR - CLK-T1 FAULT 31511 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 3-4 OL-26705-01 MCI6 DS US ENABLED 0 US1 US 2 US 5 uBR - MCI6 DS uBR - Clock Card ...
...-T1 FAULT US ENABLED 0 US 1 US 2 uBR - MCI6 DS Step 3 Unscrew the captive installation screws on an antistatic surface with its chassis slot. PRI ENABLE LOS ACTIVE HOLDOVER FREERUN SEC uBR - Step 5 Place the clock card on the front of the clock card. MCI6 DS...ENABLED 0 US1 US 2 US 5 uBR - MCI6 DS US ENABLED 0 US 1 US 2 US 5 uBR - CLK-T1 FAULT 31511 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 3-4 OL-26705-01 MCI6 DS US ENABLED 0 US1 US 2 US 5 uBR - MCI6 DS uBR - Clock Card ...
Hardware Installation Guide
Page 21
... VXR is powered off. CLK-T1 FAULT Step 3 With the printed circuit board aligned in its chassis slot. CLK-T1 FAULT 31512 OL-26705-01 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 3-5 PRI ENABLE LOS ACTIVE HOLDOVER FREERUN SEC uBR - Step 5 Connect the DB-15 T1 cable...
... VXR is powered off. CLK-T1 FAULT Step 3 With the printed circuit board aligned in its chassis slot. CLK-T1 FAULT 31512 OL-26705-01 Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router 3-5 PRI ENABLE LOS ACTIVE HOLDOVER FREERUN SEC uBR - Step 5 Connect the DB-15 T1 cable...