Cisco Systems OC-12/STM-14 No framing c-bit m13, No dsu mode, Cisco digital-link kentrox larscom

Page 6

Cisco IOS Software Configuration for the 1-Port Channelized OC-12/STM-4 (DS3) Line Card

How to Configure the 1-Port Channelized OC-12/STM-4 (DS3) Line Card

You can connect the local (near-end) DS3 port to the remote (far-end) DS3 port using a third-party DSU. Then use the telnet command from the local DS3 port to communicate with the remote DS3 port to verify the DSU mode settings. If necessary, change the DSU mode settings on the local DS3 port to match the DSU mode settings on the remote DS3 port. When the local and remote DS3 ports are configured with matching DSU mode settings, you can start passing data traffic between the near end and the far end of the network.

If the telnet command does not allow the local DS3 port to communicate with the remote DS3 port, it indicates that the DSU mode settings on the local and remote DS3 ports do not match. You can establish direct communication by removing the third-party DSU between the local and remote DS3 ports, and using the default DSU mode, Cisco. When you establish a direct connection between the local and remote DS3 ports, you can use Cisco IOS software commands that are specific to the Cisco Remote Connection Management feature to verify the DSU mode settings on the remote DS3 port. (See Table 1.) After the local and remote DS3 configuration settings match and you verify network connectivity, you can reinsert a third-party DSU into the configuration.

The Cisco Remote Connection Management feature is Cisco proprietary. It works only with the channelized 1-port channelized OC-12/STM-4 (DS3) line card and the 6-port or 12-port DS3 line cards in the Cisco 12000 Series Router.

Table 3 shows the default DS3 channel configuration of an enabled 1-port channelized OC-12/STM-4 (DS3) line card. In serial interface channel configuration mode, select an OC-12 controller for configuration using the interface serial slot/port:channel command.

Table 3

1-Port Channelized OC-12/STM-4 (DS3) Line Card DS3 Channel Configuration Default

 

Values

 

 

 

 

 

 

Parameter

 

Configuration Command

Default Value

 

 

 

DS3 channel, framing mode

[no] framing [c-bit m13]

c-bit

 

 

 

DS3 channel, DSU mode

[no] dsu mode

cisco

 

 

[cisco digital-link kentrox larscom]

 

 

 

 

DS3 channel, DSU subrate

[no] dsu bandwidth Kilobits/sec

44210

bandwidth

 

 

 

 

 

 

DS3 channel, remote requests

[no] dsu remote accept

accept

 

 

 

DS3 channel, far-end DSU

[no] dsu remote fullrate

user-configured value

bandwidth

 

 

 

 

 

 

DS3 channel, payload

[no] scramble

no scramble

scrambling

 

 

 

 

 

 

DS3 channel, loopback mode

[no] loopback

no loopback

 

 

[local network remote]

 

 

 

 

DS3 channel, BER testing

[no] bert pattern

no bert

 

 

[2^15 2^20 2^23 0s 1s ] interval

 

 

 

[1-1440]

 

 

 

 

 

Note You can use Cisco Remote Connection Management only if (1) both ends of the DS3 line are configured for C-bit parity mode, and (2) the FEAC message from the DS3 payload source terminal to the DS3 payload sink terminal is delivered unaltered.

Cisco IOS Release 12.0(8)S

6

Page 5 Page 7
Image 6
Page 5 Page 7
Contents Contents Configuring the OC-12 Controller Router# show controller oc12 1/0Router# configure terminal Routerconfig# controller OC12 1/0Configuring the DS3 Serial Interface Configuration Command Default ValueRouter# copy running-config startup-config Routerconfig# interface serial 1/01Routerconfig-if#ip address 10.1.2.3 Cisco Remote Connection ManagementCisco digital-link kentrox larscom No dsu modeNo framing c-bit m13 No dsu bandwidth Kilobits/secSetting the Sending and Receiving Rate Verifying Local and Remote DS3 Port SettingsSelecting a DSU Mode Configuring the DSU Bandwidth RangeConfiguring the Clock Source Using show Commands to Check System StatusConfiguring Cyclic Redundancy Checks Enabling Payload ScramblingShow controllers oc12 slot/port Router# show controllers oc12 1/0Show controllers oc12 slot/portchannel# Show controllers oc12 detailRouter# show controllers oc12 1/01 Router# show running-config Ip subnet-zeroUsing Loopback Commands OC-12 Controller Loopback ModeLoopback modes Configuration Mode Command Configuring DS3 Port BER Testing DS3 Channel Loopback ModeNo loopback local network remote configuration command Checking Bit Errors Using a Bert Bert Pattern To Invoke CommandEntering Errors in BER Tests Using show Commands to Verify Bert ConfigurationRouter# show controller oc12 1/01 bert Bert Information Explanation BertBert Information Explanation Routerconfig-if#ip address 1.1.5.1 Related Topic Document Title Related DocumentsTechnical Assistance Description Link

OC-12/STM-14 specifications

Cisco Systems OC-12/STM-14 is a high-performance networking solution designed to meet the demands of modern telecommunications and data transport applications. Operating at a data rate of 622 Mbps, the OC-12 (Optical Carrier level 12) and STM-14 (Synchronous Transport Module level 14), this technology provides a reliable and efficient method for organizations to transmit large volumes of data over fiber optic networks.

One of the key features of the OC-12/STM-14 system is its capability for high-speed data transfer. This makes it an ideal choice for service providers looking to deliver broadband services, video streaming, and other bandwidth-intensive applications. With support for multiple protocols, including SONET (Synchronous Optical Network) and SDH (Synchronous Digital Hierarchy), the OC-12/STM-14 can facilitate smooth communication and interoperability between various network devices.

Another significant characteristic of the OC-12/STM-14 is its scalability. Organizations can easily scale their networks by adding additional OC-12/STM-14 connections, accommodating their growing bandwidth needs without a complete overhaul of existing infrastructure. This flexibility is essential for businesses that expect fluctuations in data traffic or are anticipating future expansion.

Additionally, Cisco's OC-12/STM-14 employs advanced error correction and fault tolerance features, ensuring high reliability and minimal downtime. It supports sophisticated monitoring and network management capabilities, allowing administrators to proactively manage network performance and troubleshoot potential issues before they affect service quality.

Security is also a critical aspect of the OC-12/STM-14 architecture. Cisco incorporates robust security protocols to safeguard sensitive data during transmission, ensuring compliance with industry standards and protecting against unauthorized access.

In terms of compatibility, the Cisco OC-12/STM-14 integrates seamlessly with existing infrastructure and can work alongside various routing platforms. This compatibility significantly reduces the cost and complexity associated with upgrading legacy systems.

Ultimately, Cisco Systems OC-12/STM-14 offers a powerful solution for enterprises and service providers looking to enhance their networking capabilities. With its high-speed data transfer, scalability, reliability, and security features, it stands as a cornerstone technology in advanced telecommunications and data networking.
Top Page Image Contents