Patton electronic 2720/I Series Switch S2, S2 Summary Table, Switches S2-1, S2-2, and S2-3

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Patton

2701/IRouter

Bridge

Ethernet LAN

PEC Device w/ Serial I/F

Figure 1. Cisco router with serial interface, configured as PPP Half Bridge.

For example, the customer site is assigned the addresses 192.168.1.0/24 through 192.168.1.1/24. The address 192.168.1.1/24 is also the default gateway for the remote network. The above settings remove any routing/forwarding intelligence from the CPE. The associ- ated Cisco configuration will set serial interface (s0) to accommodate half bridging for the above example.

Authentication is optional under PPP. In a point-to-point leased- line link, incoming customer facilities are usually fixed in nature, there- fore authentication is generally not required. If the foreign device requires authentication via PAP or CHAP, the PPP software will respond with default Peer-ID consisting of the units Ethernet MAC address and a password which consists of the unitÕs Ethernet MAC address.

Some networking systems do not define network numbers in pack- ets sent out over a network. If a packet does not have a specific desti- nation network number, a router will assume that the packet is set up for the local segment and will not forward it to any other sub-network. However, in cases where two devices need to communicate over the wide-area, bridging can be used to transport non-routable protocols.

Figure 2 illustrates transparent bridging between two routers over a serial interface (s0). Bridging will occur between the two Ethernet Interfaces on Router A (e0 and e1) and the two Ethernet Interfaces on Router B (e0 and e1).

3.1.1 Switch S2

The table below shows the default configurations for Switch S2. A description of all S2 options follows this table.

S2 SUMMARY TABLE

Position

Function

Factory Default

Selected Option

 

 

 

 

 

 

 

S2-1

Data Rate

On

 

 

 

 

S2-2

Data Rate

On

 

1.536 Mbps

 

 

 

(DTE Rate)

 

 

S2-3

Data Rate

On

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S2-4

Framing & Coding

Off

 

ESF/B8ZS

 

 

 

 

 

 

 

 

S2-5

DS Zero Rate

On

 

64 kbps

 

 

 

 

 

 

 

S2-6

Clock Mode

Off

 

Network

S2-7

Clock Mode

Off

 

Network

 

 

 

 

 

S2-8

Reserved

Off

 

Reserved

 

 

 

 

 

 

 

Switches S2-1, S2-2, and S2-3

Use Switches S2-1, S2-2 and S2-3 to set the DTE data rate. Each setting represents an nx56/nx64 setting. Individual channel set- tings can be configured through the software control port.

S2-1

S2-2

S2-3

Speed

Off

Off

Off

Clear Channel (Unframed)

On

Off

Off

112kbps/128kbps

Off

On

Off

224kbps/256kbps

On

On

Off

336kbps/384kbps

Off

Off

On

448kbps/512kbps

On

Off

On

672kbps/768kbps

!

no ip routing

!

interface Ethernet0

ip address 1.1.1.1 255.255.255.0 bridge-group 1

2701/I

Serial Interface

E1/FE1 Link

Router A

S0

Off

On

On

896kbps/1024kbps

On

On

On

1344kbps/1536kbps

Switch S2-4: Line Framing and Coding

!

interface Serial0

ip address 1.1.1.1 255.255.255.0 encapsulation PPP bridge-group 1

!

interface Serial1

ip address 2.2.2.2 255.255.255.0 bridge-group 1

S1

Router B

e0

LAN

e0

LAN

S1

S0

e1

LAN

LAN

Using Bridge-Groups, multi- ple remote LANs can be bridged over the wide-area.

LAN

Use Switch S2-4 to control the Network Line Framing and Coding Options. Set these options to be the same as the Line Framing and Coding Options given to you by your Service Provider. If you are using two Model 2720s together as short range modems, set both units iden- tically.

S2-4 Line Framing & Coding

!

bridge 1 protocol ieee

Serial Interface

2701/I

Off ESF/B8ZS

On D4/AMI

!

E1/FE1 Link

Figure 2. Transparent bridging between two routers over a serial interface.

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Contents User Manual Warranty Information Table of ContentsWarranty Statement Radio and TV InterferenceFCC Information Service Information CE NoticeIndustry Canada Notice General Information FeaturesGeneral Product Description PPP Operational BackgroundSwitches S2-1, S2-2, and S2-3 Switch S2Switch S2-4 Line Framing and Coding S2 Summary TableSwitch S2-8 Reserved Switch S2-6 and S2-7 Clock ModeLine Framing Options Line Coding OptionsS1 Summary Tabe Off Software ConfigurationVT100 Helpful Hints Introduction to Main MenuLine Coding B8ZS default Options AMI, B8ZS, B7ZS System ConfigurationLine Format ESF default Options ESF, D4, Unframed Options Network, Internal, External DS0 Line Rate 64kbps default Options 64kbps, 56kbpsDefault Config Source Switch default Option EEPROM, Switch ESF Carrier Loops Enabled default Options Enabled, Disabled54 Loops RDL Only Enabled default Options Enabled, Disabled Local Loop Idle default System DiagnosticsTest Pattern Idle default Options Idle or Sending Remote Loop Idle defaultError Insertion Off default Options On, Off SpacebarValid Interval Count & Current Interval Time Error CountersNI Status Password Current DIP Switch SettingsRx PRM Unit InformationNetwork Interface Connection DC Power SupplyDTE Interface Connection ALM LED DescriptionsT1 Link Operating Local Loopback LL Loop V.54 & Telco DiagnosticsOperating Remote Digital Loopback RL CSU LoopQrss BIT Error Rate V.52 DiagnosticsPatton NETLINK-T1 Model Specifications Patton NETLINK-T1 Model Cable Recommendations Wire Gauge Capacitance ResistancePatton Electronics Model 2720 Interface PIN Assignment Patton NETLINK-T1 Model Interface PIN AssignmentPatton NETLINK-T1 Model EIA-530 Interface PIN Assignment DB-25 Female Connector, Terminal Interface

2720/I Series specifications

The Patton Electronic 2720/I Series is a cutting-edge solution designed for businesses seeking reliable and high-performance network connectivity. This series provides a range of features tailored to meet the demands of modern telecommunications, making it ideal for both enterprises and service providers.

One of the standout features of the 2720/I Series is its ability to support multiple protocols, making it versatile for various networking environments. It supports both E1 and T1 interfaces, facilitating seamless integration with different types of communication lines. This adaptability ensures that users can maintain a consistent and efficient communication system, regardless of their existing infrastructure.

The 2720/I Series incorporates advanced technologies that enhance its performance and reliability. Notably, it features robust error detection and correction capabilities, which are essential for preserving data integrity during transmission. This is particularly important in business applications where data loss or corruption can have significant repercussions.

Security is another critical aspect of the 2720/I Series. With built-in encryption support, it ensures that sensitive data remains protected during transit. This makes the series suitable for organizations that handle confidential information and prioritize security in their communication channels.

The 2720/I Series also stands out with its user-friendly management interface. Administrators can easily configure and monitor the devices through a web-based interface, simplifying the management process and minimizing downtime. This intuitive design allows for quick adjustments and troubleshooting, which is vital for maintaining optimal network performance.

Power over Ethernet (PoE) capability is another significant feature of the 2720/I Series. This technology allows the device to receive power through the same cable used for data transmission, reducing clutter and simplifying installation. The ability to deliver power to remote devices enhances the deployment flexibility and efficiency.

In terms of physical characteristics, the 2720/I Series is designed for durability and reliability. It is housed in a rugged casing that can withstand various environmental conditions, making it suitable for deployment in challenging environments.

Overall, the Patton Electronic 2720/I Series combines versatility, reliability, and advanced technology, making it a valuable asset for any organization looking to enhance its communication infrastructure. Its robust features and user-friendly management capabilities make it a preferred choice for managing complex networking challenges effectively.
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