Manuals / Allied Telesis / Computer Equipment / Switch

Allied Telesis 86241-06 manual DS3 Configuration

Models: 86241-06

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Page 25

Patch 86241-06 For Rapier Switches

25

Diagnostic loopback is shown in Figure 3 on page 25. In this loopback mode the transmit signal is connected straight to the receive signal.

Figure 3: Diagnostic Loopback.

Far End

TX

RX

RX

TX

DS3 NSM

DS33

In C-bit parity mode it is also possible for the switch to request a loopback at the far end. This is shown in Figure 4 on page 25. This is achieved using the FEAC channel. The switch can also respond to remote loopback requests via the FEAC channel from the far end. This results in a near end Line Loopback (see above).

Figure 4: Remote Loopback.

Far End

TX

RX

RX

TX

DS3 NSM

DS34

Note that it is possible to configure near end local and remote loopbacks at the same time.

DS3 Configuration

The DS3 interface on the switch is automatically configured by the software modules when the switch sets up. Certain aspects of the DS3 signal can be altered to allow the switch to connect to another vendor’s equipment via the DS3 interface.

The configuration of the DS3 interface can be changed with the command:

SET DS3=instance [CLOCK={LOOPINTERNAL}] [CMTCE={ONOFF}] [DIRECTION={TRANSMITRECEIVE}] [EIC=equipment-id] [FAC=facility-id] [FDET={ONOFF}] [FIC=frame-id] [GENNO=generator-id][LIC=location-id] [PARAM15=threshold] [PARAM24=threshold] [PORT=port-id] [PRIM15=threshold] [PRIM24=threshold] [UNIT=unit-id] [TYPE=[{PIDISIDTSID}]

The CLOCK parameter specifies the clock source for the DS3 interface. The default is LOOP timing where the clock is derived from the received DS3 signal. If INTERNAL is selected the DS3 transmit signal is timed using an internal clock.

The CMTCE parameter specifies whether the terminal-to-terminal path-maintenance link is switched on. When CMTCE is set to OFF the maintenance link is switched off and the C-bits in M-subframe 5 are all set to one. If CMTCE is set to ON the maintenance link is switched on. The path

Patch 86241-05 for Software Release 2.4.1 C613-10340-00 REV E

Image 25

Allied Telesis 86241-06 manual DS3 Configuration

Contents

Patch For Rapier Switches PCR Module SWI PCR Module IPG LevelPCR Module PIM Level PCR Module BGP LevelPCR 03064 Module Snmp Level PCR Module SSH LevelPCR Module SWI Level PCR Module Utility LevelPCR Module FR, PPP Level PCR 03100 Module Dhcp LevelPCR 03108 Module Mlds Level PCR 03113 Module Dvmrp LevelPCR Module DS3 Level PCR 03123 Module Dhcp LevelPCR Module IPV6 Level PCR Module Ospf LevelPCR Module DS3 Network affecting No PCR 02315 Module Snmp Network affecting NoPCR Module IPv6, SWI, IPG, Vlan Network affecting No PCR Module IPG, SWI, Vlan Network affecting NoPCR Module User Network affecting No PCR Module Install Network affecting NoPCR Module Utility Network affecting No PCR Module Firewall Network affecting NoPCR Module Network affecting No PCR Module IPG Network affecting NoPCR Module Ospf IPG Network affecting No PCR Module Ping Network affecting NoPCR Module TELNET, PING, IPV6, Network affecting No PCR 02523 Module QOS, Utility Network affecting NoPCR 02529 Module FIREWALLNetwork affecting No PCR 02532 Module FIREWALLNetwork affecting NoPCR Module Classifier Network affecting No PCR 02538 Module Dvmrp Network affecting NoPCR Module IPV6 Network affecting No PCR Module SWI Network affecting NoPCR 02579 Module FIREWALLNetwork affecting No PCR 02574 Module DVMRPNetwork affecting NoPCR 02587 Module OSPFNetwork affecting No PCR 02467 Module Core Network affecting NoPCR Module IPG, PIM, SWI Network affecting No PCR 02469 Module TMNetwork affecting NoPCR 02495 Module Vlan Network affecting No PCR 02498 Module Vlan Network affecting NoPCR 02509 Module DVMRPNetwork affecting No PCR 02502 Module Ping, IPv6Network affecting NoPCR Module DNS Relay Network affecting No PCR Module Vrrp Network affecting NoPCR Module Tpad Network affecting No PCR Module BGP Network affecting NoPCR 02277 Module Dvmrp Network affecting No PCR Module TELNET, TTY Network affecting NoPCR 02292 Module IPSECNetwork affecting No PCR 02303 Module INSTALLNetwork affecting NoPCR 02294 Module IKMPNetwork affecting No PCR 02301 Module IPGNetwork affecting NoPCR Module IPG/FIREWALL Network affecting No PCR Module FR Network affecting NoPCR Module IPG, ETH Network affecting No PCR Module Ipsec Network affecting NoPCR Module BGP, IPG Network affecting No PCR Module PPP Network affecting NoPCR 02348 Module Enco Network affecting No PCR Module SCC, SYN, PPP Network affecting NoPCR Module VRRP, TRG Network affecting No PCR Module FFS, FILE, TTY Network affecting NoPCR 02397 Module Dvmrp Network affecting No PCR Module SNMP, CORE, SHOW, Network affecting No PCR Module Trace Network affecting NoPCR Module STP Network affecting No PCR Module IPG Network affecting No Module VrrpPCR 02452 Module IPv6Network affecting No PCR 02450 Module IPV6Network affecting NoPCR 02457 Module IPV6Network affecting No PCR 02463 Module DVMRP, IPG Network affecting NoPCR Module Switch Network affecting No PCR Module DHCP, IPG Network affecting No DS3 InterfacesBit Parity Mode Loopbacks DS3 Configuration Patch Release Note Disable DS3 Debug Disable DS3 Test Enable DS3 Debug Create Framerelay Show Framerelay Dynamic Port Security Availability