Cisco 2524 - Router - EN Guía de instalación
CHAPTER
Overview of the Cisco 2524 and Cisco 2525 Routers 1-1
Overview of the Cisco 2524
and Cisco 2525 Routers
1
The Cisco 2524 and Cisco 2525 routers provide LAN and WAN access in a low-cost
modular router platform that can grow with your internetworking needs. The Cisco 2524
offers an Ethernet (attachment unit interface [AUI] or 10BaseT) LAN connection, and the
Cisco 2525 offers a Token Ring (shielded twisted-pair [STP] or unshielded twisted-pair
[UTP]) LAN connection. Both routers can accommodate up to three WAN modules—two
synchronous serial and one Integrated Services Digital Network (ISDN).
The choice of synchronous serial WAN modules is as follows:
•2-wire switched 56-kbps data service unit/channel service unit (DSU/CSU)
•4-wire 56/64-kbps DSU/CSU
•Fractional T1/T1 DSU/CSU
•Five-in-one synchronous serial
Note The five-in-one synchronous serial WAN module gets its name from the five types
of signaling it supports: EIA/TIA-232, EIA/TIA-449, V.35, X.21, and EIA-530. You can
order from Cisco Systems a DB-60 shielded serial transition cable. The router end of the
shielded serial transition cable has a DB-60 connector; the other end of the cable has the
appropriate connector for the standard interface you specify.
The choice of ISDN WAN modules is as follows:
•ISDN Basic Rate Interface (BRI)
•ISDN with integrated network termination 1 (NT1) device
1-2 Cisco 2524 and Cisco 2525 Router User Guide
Features
The ISDN WAN modules are designed so that you cannot insert them into the synchronous
serial WAN slots. A blank slot cover is installed over unused slots.
Features The Cisco 2524 and Cisco 2525 routers include the following features:
•Three slots for WAN modules
•One Ethernet (AUI or 10BaseT) interface on the Cisco 2524 router
•One Token Ring (STP or UTP) interface on the Cisco 2525 router
•Dynamic random-access memory (DRAM) for main system memory and shared
memory
•Nonvolatile random-access memory (NVRAM) for storing configuration information
•Flash memory for running Cisco IOS software
•EIA/TIA-232 console port for connecting a console terminal
•EIA/TIA-232 auxiliary port for connecting a terminal or modem
Note EIA/TIA-232 and EIA/TIA-449 were known as recommended standards RS-232
and RS-449 before their acceptance as standards by the Electronic Industries Association
(EIA) and Telecommunications Industry Association (TIA).
Overview of the Cisco 2524 and Cisco 2525 Routers 1-3
Features
Figure 1-1 shows the front panel, which is the same for both routers.
Figure 1-1 Cisco 2524 and Cisco 2525 Front Panel
Figure 1-2 shows the rear panel of the Cisco 2524 router, and Figure 1-3 shows the rear
panel of the Cisco 2525 router.
Figure 1-2 Cisco 2524 Rear Panel
H1690
SERIAL 1
0
BRI 0
Power
H5045
On/off
switch
Console
port
(RJ-45)
10BaseT
port
(RJ-45)
Ethernet AUI
port (DB-15) LAN
activity
LED
Ethernet
link LED Auxiliary
port
(RJ-45)
1-4 Cisco 2524 and Cisco 2525 Router User Guide
Features
Figure 1-3 Cisco 2525 Rear Panel
Figure 1-4 through Figure 1-9 show the WAN modules. Figure 1-10 shows the blank slot
cover.
Figure 1-4 2-Wire Switched 56-kbps DSU/CSU WAN Module
H5271
Power
On/off
switch
Console
port
(RJ-45)
UTP
port
(RJ-45)
Token Ring
port (DB-9) LAN
activity
LED
Token Ring
in-ring LED Auxiliary
port
(RJ-45)
SERIAL 1
SERIAL 0 BRI 0
H5046
RJ-11
2-WIRE
56K
DSU/CSU
TX LB
RX AL
CD
Carrier
detect
LED
Receive
LED
Alarm
LED
Loopback
LED
Transmit
LED
Captive
screw
C
aptive
screw
Overview of the Cisco 2524 and Cisco 2525 Routers 1-5
Features
Figure 1-5 4-Wire 56/64-kbps DSU/CSU WAN Module
Figure 1-6 Fractional T1/T1 DSU/CSU WAN Module
H5047
RJ-48S
4-WIRE
56K/64K
DSU/CSU
TX LB
RX AL
CD
Carrier
detect
LED
Receive
LED
Alarm
LED
LED
Captive
screw
H5048
RJ-48C
FTI/TI
DSU/CSU
TX LB
RX AL
CD
Carrier
detect
LED
Receive
LED
Alarm
LED
Loopback
LED
Transmit
LED
Captive
screw
C
aptive
screw
MON
IN OUT NET
JACK
Monitor
jack
1-6 Cisco 2524 and Cisco 2525 Router User Guide
Features
Figure 1-7 Five-in-One Synchronous Serial WAN Module
Figure 1-8 ISDN BRI WAN Module
Figure 1-9 ISDN BRI with Integrated NT1 WAN Module
H5049
SERIAL
Captive
screw
C
aptive
screw
ACTIVITY
Serial
activity LED
DB-60
H5050
RJ-45
ISDN-BRI
S/T ACTIVITY
ISDN BRI
activity LED
Captive
screw
C
aptive
screw
H5051
RJ-45
ISDN-BRI
with NTI ACT
U
Captive
screw
C
aptive
screw
NTI
Overview of the Cisco 2524 and Cisco 2525 Routers 1-7
Specifications
Figure 1-10 Blank Slot Cover
Specifications
The specifications of the Cisco 2524 and Cisco 2525 routers are listed in Table 1-1.
Table 1-1 System Specifications
Description Specification
Dimensions (H x W x D) 1.75 x 17.5 x 10.56" one rack unit
(4.44 x 44.45 x 26.82 cm)
Weight 10 lb (4.5 kg)
Input voltage, AC power supply
Current
Frequency
Power dissipation
100–240 VAC1
1.2–0.6A
50–60 Hz
40W (maximum), 135.5 Btus2/hr
Input voltage, DC power supply
Current
Power dissipation
40W, 40–72 VDC3
1.5–1.0A
40W (maximum), 135.5 Btus/hr
Processor 20-MHz Motorola 68EC030
H5052
Captive
screw
C
aptive
screw
Do not plug/unplug modules with power on.
BLANK
1-8 Cisco 2524 and Cisco 2525 Router User Guide
Specifications
WAN interface options • 2-wire switched 56-kbps DSU/CSU (RJ-11)
• 4-wire 56/64-DSU/CSU (RJ-48S)
• Fractional T1/T1 DSU/CSU (RJ-48C)
• Five-in-one synchronous serial (DB-60)
• ISDN BRI (RJ-45)
• ISDN BRI with integrated NT1 (RJ-45)
LAN interface options Cisco 2524: Ethernet AUI (DB-15) or 10BaseT (RJ-45)
Cisco 2525: Token Ring STP (DB-9) or UTP (RJ-45)
Synchronous serial interfaces
(five-in-one synchronous serial WAN
module)
• EIA/TIA-232, EIA/TIA-449, V.35, X.21
(NRZ/NRZI4and DTE/DCE5mode)
• EIA-530 (NRZ/NRZI and DTE mode)
• The five-in-one synchronous serial interface uses the
DB-60 connector at the chassis
Console and auxiliary ports Asynchronous serial (RJ-45)
Operating environment 32–104°F (0–40°C)
Nonoperating temperature –40–185°F (–40–85°C)
Operating humidity 5–95%, noncondensing
Noise level 34 dB6@ 3' (0.914 m)
Regulatory compliance • 2-wire switched 56-kbps DSU/CSU module: FCC
Class A, Part 15
• 4-wire 56/64-kbps DSU/CSU module: FCC Class A,
Part 15 and FCC Part 68
• Fractional T1/T1 DSU/CSU module: FCC Class A,
Part 15 and FCC Part 68
1. VAC = volts alternating current.
2. BTU = British thermal unit.
3. VDC = volts direct current.
4. NRZ = nonreturn to zero; NRZI = nonreturn to zero inverted.
5. DTE = data terminal equipment; DCE = data communications equipment.
6. dB = decibels.
Description Specification
Overview of the Cisco 2524 and Cisco 2525 Routers 1-9
FCC Part 68
FCC Part 68
The following text is required for FCC Part 68 regulatory compliance:
The equipment complies with Part 68 of the FCC rules. On the bottom of the equipment is
a label that shows the FCC registration number.
If the equipment causes harm to the telephone network, the telephone company may
temporarily discontinue service. If possible, advance notification is given; otherwise,
notification is given as soon as possible. The telephone company will advise the customer
of the right to file a complaint with the FCC.
The telephone company may make changes in its facility, equipment, operations, or
procedures that could affect the proper operation of the equipment; advance notification
and the opportunity to maintain uninterrupted service will be given.
If you experience difficulty with the Cisco 2524 or Cisco 2525 router, please contact Cisco
Systems at 800 553-NETS (6387) or 408 526-4000 for repair and warranty information. If
your equipment is causing harm to the telephone network, the telephone company may
request that you disconnect the equipment until the problem is resolved.
The module contains no user-serviceable parts.
An FCC-compliant telephone cord and a modular plug is provided with the equipment. The
equipment is designed to be connected to the telephone network or premises wiring using
an FCC-compatible modular jack that is Part 68 compliant.
Table 1-2 lists information that may be required when applying to the local telephone
company for leased-line facilities.
1-10 Cisco 2524 and Cisco 2525 Router User Guide
FCC Part 68
Table 1-2 Information About Leased-Line Facilities
Module Type Service Type Digital Facility
Interface Code Service
Order Code Network
Jack
4-Wire 56/64-kbps
DSU/CSU WAN Module 2.4-kbps digital interface 04DU5-24 6.0F RJ-48S
4.8-kbps digital interface 04DU5-48 6.0F RJ-48S
9.6-kbps digital interface 04DU5-96 6.0F RJ-48S
19.2-kbps digital interface 04DU5-19 6.0F RJ-48S
38.4-kbps digital interface 04DU5-38 6.0F RJ-48S
56-kbps digital interface 04DU5-56 6.0F RJ-48S
64-kbps digital interface 04DU5-64 6.0F RJ-48S
Fractional T1/T1
DSU/CSU WAN Module 1.544-Mbps digital interface 04DU9-ISN 6.0N RJ-48C
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