Cisco Systems 3600 manual Tx Rx Rts Cts

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V.110 Support for Cisco 3600 Series Digital Modems

show modem

The type of display output generated from the show modem slot/port command depends on the version of Cisco IOS software running on the router or access server. For example, the following example shows an example output for a 56K modem card, which carries digital modems that transmit at 56 kbps.

Note 56K modems do not modulate or demodulate data. A pure digital-to-digital connection is made.

See Table 2 for a description of the fields displayed by this modem card.

Router# show modem 0/0

 

 

 

 

 

 

 

 

Mdm Typ

Status

Tx/Rx

G

Duration

TX RX RTS

CTS

DSR

DCD DTR

0/0

Idle

0/0

0

00:00:00

x

x

x

x

Modem 0/0,

Microcom MNP10 K56 Modem

(Select), TTY1

 

 

 

Firmware (Boot) Rev: 3.1(16) (3.0(4))

 

 

 

 

 

DSP Controller (SPX) Rev: 1.1(0) (1.1(0))

 

 

 

 

Modem config: Incoming and Outgoing

 

 

 

 

 

 

Protocol: Normal, Compression: None

 

 

 

 

 

 

Management

port config: Status polling and AT session

 

 

 

Management

port status: Status polling and AT session

 

 

 

TX signals: 0 dBm, RX signals: 0 dBm

 

 

 

 

 

 

Last clearing of "show modem" counters never

 

 

 

 

0 incoming completes, 0 incoming failures

 

 

 

 

0 outgoing completes, 0 outgoing failures

 

 

 

 

0 failed dial attempts, 0 ring no

answers,

0 busied outs

 

 

0 no dial tones, 0 dial timeouts,

0 watchdog timeouts

 

 

 

0 no carriers, 0 link failures,

1

resets 0

recover oob

 

 

 

0 protocol timeouts, 0 protocol

errors, 0 lost events

 

 

 

Transmit Speed Counters:

 

 

 

 

 

 

 

Connection

Speeds

75

300

600

1200

2400

 

4800

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

7200

9600

12000

14400

16800

 

19200

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

21600

24000

26400

28800

31200

 

32000

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

33600

34000

36000

38000

40000

 

42000

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

44000

46000

48000

50000

52000

 

54000

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

56000

 

 

 

 

 

 

 

# of connections

0

 

 

 

 

 

 

 

Receive Speed Counters:

 

 

 

 

 

 

 

 

Connection

Speeds

75

300

600

1200

2400

 

4800

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

7200

9600

12000

14400

16800

 

19200

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

21600

24000

26400

28800

31200

 

32000

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

33600

34000

36000

38000

40000

 

42000

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

44000

46000

48000

50000

52000

 

54000

# of connections

0

 

0

0

0

0

 

0

Connection

Speeds

56000

 

 

 

 

 

 

 

# of connections

0

 

 

 

 

 

 

 

Cisco IOS Release 12.1(5)T

9

Image 9
Contents Support for Cisco 3600 Series Digital Modems Feature OverviewSupported Standards, MIBs, and RFCs Supported PlatformsStandards MIBsConfiguration Tasks Command Reference Show modem Command Modes Command History ExamplesShow modem slot/port group number Release ModificationField Description Hold-reset commandDCD DTR Router show modem 2/10Router# TX RX RTS CTS Show modem slot/port Field Descriptions MNP5 Group Related CommandsShow modem log Command Modes Command HistoryShow modem log slot/port group number Router# show modem logRelated Commands Command Description S29 = 8 V.110 modem standardS57 = 3 User rate for V.110 connection is 3 bps Show modem configuration Show modem configuration slot/portShow modem configuration 0/0 Show modem S29 Modem standardS57 User rate for V.110 connection is 2400 bps Command Connect Speed Range Displayed Show modem connect-speedsShow modem connect-speeds max-speedslot Show modem connect-speeds 400 to 21,600 bps 75 to 1200 bps Router# show modem connect-speeds Router# show modem connect-speeds 12000Router# show modem connect-speeds Show modem connect-speeds Field Descriptions Show modem operational-status slot/port Show modem operational-statusShow modem operational-status shelf/slot/port Router# modem at-mode s/p AT@E1Parameter #9 TX,RX Bit Rate Router# show modem operational-status 0/0Glossary
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3600 specifications

Cisco Systems 3600 is a high-performance modular router series designed for small to medium-sized enterprises and branch offices. Launched in the late 1990s, it has been widely recognized for its flexibility, scalability, and reliability. The series is part of Cisco's extensive networking portfolio and has played a vital role in delivering various services and applications while enhancing operational efficiency.

One of the main features of the Cisco 3600 series is its modular architecture, allowing organizations to customize the router according to their specific needs. The system supports various interface modules that can accommodate different types of connections, including serial, Ethernet, and DSL, which helps in building versatile network solutions. The modularity not only increases the router’s lifespan by enabling upgrades as technology changes but also supports future expansion as the organization grows.

The Cisco 3600 series routers utilize advanced routing protocols, such as RIP, OSPF, EIGRP, BGP, and IS-IS, to ensure efficient data transmission and optimal network performance. This capability allows the routers to adapt to varying traffic demands and complexities, thereby optimizing bandwidth utilization and reducing latency in communications. With extensive memory options, including Flash and DRAM, the 3600 series can handle robust data processing and support intricate routing environments.

Security is another critical feature of the Cisco 3600 series. It includes support for VPNs, firewalls, and other security protocols, providing a secure environment for data transfer. The implementation of features like Access Control Lists (ACLs) and Intrusion Detection Systems (IDS) enhances the overall security posture, making it suitable for organizations looking to protect their sensitive information.

In terms of scalability, Cisco 3600 routers can easily accommodate increased workloads and network growth. This is done through the provision of additional modules and cards to increase capacity and performance. The series can also support multiple WAN connections, enabling seamless integration with various telecommunication services.

Additionally, the Cisco 3600 series is designed for ease of management. Utilizing Cisco's IOS software, network administrators can manage and configure the routers efficiently, thanks to a user-friendly interface and extensive command capabilities. This makes troubleshooting simpler and ensures network availability remains high.

In conclusion, Cisco Systems 3600 series routers combine robust performance, security features, and scalability, making them an invaluable asset for businesses looking to maintain a reliable and efficient networking solution.