Cisco 1750 Guida all'installazione
i
Cisco 1750 Router Hardware Installation Guide
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1
Cisco 1750 Router Overview
This chapter introduces the Cisco 1750 router, also referred to in this guide as “the
router,” and covers the following topics:
•Key Features
•Rear-Panel Ports and LEDs
•Front-Panel LEDs
•Router Memory
•Unpacking the Router
•Additional Required Equipment
Figure 1 shows the Cisco 1750 router.
Key Features
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Figure 1 Cisco 1750 Router
Key Features
The Cisco 1750 router is a voice-and-data capable router that provides
Voice-over-IP functionality (VoIP) and can carry voice traffic (for example,
telephone calls and faxes) over an IP network. Using one to four WAN
connections, the router links small-to-medium-size remote Ethernet and
FastEthernet LANs to central offices. Table 1 lists the router key features.
17468
PWRACT
PORT0
PORT1
PORT1
OK
PORT0
SLOT1
PORT0
SLOT0 SLOT2ETH
PORT1 COL
Cisco
1700
SERIES
ROUTER
Table 1 Key Features
Feature Description
One FastEthernet (10/100BaseTX)
port
•Operates in full- or half-duplex mode (with manual
override available).
•Supports autosensing for 10- or 100-Mbps operation.
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Key Features
Cisco interface cards •Supports two slots for either WAN interface cards (WICs)
or voice interface cards (VICs).
•Supports one VIC-only slot.
•Supports the following WICs: ISDN BRI (U and S/T), 56-
or 64-kbps DSU/CSU, FT1/T1 DSU/CSU, high-speed
serial, dual-serial, and 2Async/Sync.
•Supports the following VICs: 2FXS, 2FXO, 2E&M.
•Changes in WAN interface configuration can be made as
your network requirements change.
Console port Supports router configuration and management from a
connected terminal or PC. Supports up to 115.2 kbps.
Auxiliary port Supports modem connection to the router, which can be
configured and managed from a remote location. Supports up
to 115.2 kbps.
Security slot Supports Kensington or similar lockdown equipment.
SNMP support Supports Simple Network Management Protocol (SNMP) to
manage the router over a network.
AutoInstall support Supports AutoInstall to download configuration files to the
router over a WAN connection.
Cisco ConfigMaker support Supports Cisco ConfigMaker application, a wizards-based
software tool, to configure a network that includes the
Cisco 1750 router.
Cisco Voice Manager support Supports Cisco Voice Manager to help you install and operate
voice and fax services over the IP network.
Compatible with Cisco Networked
Office stack
Stackable with other Cisco Networked Office stack products.
Table 1 Key Features (continued)
Feature Description
Rear-Panel Ports and LEDs
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Rear-Panel Ports and LEDs
This section describes the router rear-panel ports and LEDs, which are shown in
Figure 2 and described in Table 2 and Table 3.
Figure 2 Rear-Panel Components and LEDs
Table 2 Rear-Panel Connectors
Connector/Slot Label/Color Description
Ethernet port 10/100-Mbps
ETHERNET
(yellow)
Router connection to the local Ethernet network. This
port autosenses the speed (10 or 100 Mbps) and duplex
mode (full or half) of the device to which it is connected
and then operates at the same speed and in the same
duplex mode.
Auxiliary port AUX
(black)
Modem connection for remote configuration using
Cisco IOS software.
Console port CONSOLE
(light blue)
Terminal or PC connection for local configuration using
Cisco IOS software.
+5, +12, -12 VDC
CONSOLE
AUX
Cisco 1750
10/100 ETHERNET
SLOT 2
SEE MANUAL BEFORE INSTALLATION
1
IN USE
VIC
2FXO
PVDM OK
SLOT 1
SLOT 2 OKFDXSLOT 0 OKSLOT 1 OK 100 LINK
THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS
SLOT 0
Power
socket
Power switch
17469
FDX/100/LINK LEDs
Auxiliary port
Kensington-compatible
locking socket
WIC/VIC
slot 1
10/100-Mbps
Ethernet port
PVDM
OK LED
Slot 0
OK LED
Slot 1
OK LED
WIC/VIC
slot 0
Ground
wire
Console port
Slot 2
OK LED
0
IN USE
SEE MANUAL BEFORE INSTALLATION
1
IN USE
VIC
2FXS
0
IN USE
VIC
slot 2
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Rear-Panel Ports and LEDs
Use the rear-panel LEDs during router installation to confirm that you have
correctly connected all cables to the router.
WIC/VIC slot SLOT 0 Supports either a Cisco WIC or VIC. For detailed
information, refer to the Cisco WAN Interface Cards
Hardware Installation Guide that comes with every
card.
WIC/VIC slot SLOT 1 Supports either a Cisco WIC or VIC. For detailed
information, refer to the Cisco WAN Interface Cards
Hardware Installation Guide that comes with every
card.
VIC slot SLOT 2 Supports one Cisco VIC. For detailed information, refer
to the Cisco WAN Interface Cards Hardware
Installation Guide that comes with every card.
Power socket +5, +12, –12
VDC
Router connection to the external power supply.
Protective earth Ground wire Router connection to earth ground by using a green and
yellow 14 AWG ground wire.
Table 2 Rear-Panel Connectors (continued)
Connector/Slot Label/Color Description
Table 3 Rear Panel LEDs
LED Label Color Description
FDX Green On—Ethernet port is operating in full-duplex mode.
Off—Ethernet port is operating in half-duplex mode.
100 Green On—Ethernet port is operating at 100 Mbps.
Off—Ethernet port is operating at 10 Mbps.
LINK Green On when the Ethernet link is up.
SLOT 0 OK Green On when either a WIC or VIC is correctly inserted in the
card slot.
SLOT 1 OK Green On when either a WIC or VIC is correctly inserted in the
card slot.
Front-Panel LEDs
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Front-Panel LEDs
Use the router front-panel LEDs to determine network activity and status on the
Ethernet port and on the WIC and VIC ports. The front-panel LEDs are illustrated
in Figure 3 and described in Table 4.
Figure 3 Front-Panel LEDs
SLOT 2 OK Green On when a VIC is correctly inserted in the card slot.
PVDM OK Green On when a packet voice data module (PVDM) is
correctly inserted in the card slot.
Table 3 Rear Panel LEDs (continued)
LED Label Color Description
17470
PWR
ETH
ACT
PORT0
PORT1
PORT1
OK
PORT0
SLOT1
PORT0
SLOT0 SLOT2
PORT1 COL
Table 4 Front-Panel LEDs
LED Color
Cards
Supported LED Meaning
PWR Green – On when DC power is being supplied to the router.
OK Green – On when the router has successfully booted up and the
software is functional. This LED blinks during the
power-on self-test (POST).
Refer to the “OK LED Diagnostics” section in the
“Troubleshooting” chapter for information on how to use
this LED for router diagnostics.
ETH
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Front-Panel LEDs
ACT Green – Blinks when there is network activity on the Ethernet port.
COL Yellow – Blinks when there are packet collisions on the local
Ethernet network.
SLOTØ
PORTØ Green ISDN On when the first ISDN B channel is connected.
Serial and
CSU/DSU
Blinks when data is being sent to or received from the port.
2-port serial
VIC-2E&M
VIC-2FXO
VIC-2FXS
PORT1 – Serial and
CSU/DSU
Off.
Green ISDN On when the first ISDN B channel is connected.
2-port serial Blinks when data is being sent to or received from the port.
VIC-2E&M
VIC-2FXO
VIC-2FXS
Table 4 Front-Panel LEDs (continued)
LED Color
Cards
Supported LED Meaning
Front-Panel LEDs
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SLOT1
PORTØ Green ISDN On when the first ISDN B channel is connected.
Serial and
CSU/DSU
Blinks when data is being sent to or received from the port.
2-port serial
VIC-2E&M
VIC-2FXO
VIC-2FXS
PORT1 – Serial and
CSU/DSU
Off.
Green ISDN On when the first ISDN B channel is connected.
2-port serial Blinks when data is being sent to or received from the port.
VIC-2E&M
VIC-2FXO
VIC-2FXS
SLOT2
PORTØ Green VIC-2E&M Blinks when data is being sent to or received from the port.
VIC-2FXO
VIC-2FXS
PORT1 Green VIC-2E&M Blinks when data is being sent to or received from the port.
VIC-2FXO
VIC-2FXS
Table 4 Front-Panel LEDs (continued)
LED Color
Cards
Supported LED Meaning
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Router Memory
Router Memory
This section describes the types of memory stored in the router and how to find
out how much of each the router has.
For instructions on how to upgrade memory in the router, refer to the “Installing
and Upgrading Memory and Data Modules” appendix in this guide.
Types of Memory
The router has the following types of memory:
•Dynamic RAM (DRAM)—This is the main storage memory for the router.
DRAM is also called working storage and contains the dynamic configuration
information. The router stores a working copy of Cisco IOS software,
dynamic configuration information, and routing table information in DRAM.
•Nonvolatile RAM (NVRAM)—This type of memory contains the startup
configuration.
•Flash memory—This special kind of erasable, programmable memory
contains a copy of the Cisco IOS software. The Flash memory structure can
store multiple copies of the Cisco IOS software. You can load a new level of
the operating system in every router in your network and then, when
convenient, upgrade the whole network to the new level. The Flash memory
on the router is stored on mini-Flash modules.
Router Memory
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Amounts of Memory
Use the show version command to view the amount of DRAM, NVRAM, and
Flash memory stored in your router. The following example shows the output of
the show version command. The bold text displays the amount of memory stored
in this router.
1750# show version
Cisco Internetwork Operating System Software
IOS (tm) C1700 Software (C1700-SV3Y-M), Experimental Version
12.0(19980308:184442) [syaji-grammy-v6 189]
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Mon 22-Mar-99 12:58 by syaji
Image text-base: 0x80008088, data-base: 0x806B2BB8
ROM: System Bootstrap, Version 12.0(1)XA1,RELEASE SOFTWARE (fc1)
Router uptime is 15 minutes
System restarted by power-on
System image file is “flash:syaji/c1700-sv3y-mz”
cisco 1750 (MPC860) processor (revision 0x00) with 24576K/8192K bytes
of memory.
Processor board ID 0000 (1314672220), with hardware revision 0000
M860 processor: part number 0, mask 32
Bridging software.
X.25 software, Version 3.0.0.
1 FastEthernet/IEEE 802.3 interface(s)
2 Low-speed serial(sync/async) network interface(s)
2 Voice FXS interface(s)
2 Voice E & M interface(s)
32K bytes of non-volatile configuration memory.
8192K bytes of processor board System flash (Read/Write)
Configuration register is 0x0
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