background image

A-6    

61181031L3-5A

Содержание Total Access OC-3 L3

Страница 1: ...igure 19 Path Trace Menu 24 Figure 20 Synchronization Messages Menu 25 Figure 21 Display Options Menu 25 Figure B 1 OC 3 MUX Menu Tree 1 TABLES Table 1 Compliance Codes 3 Table 2 DS3 Line Build Out Pr...

Страница 2: ...PS Automatic Protection Switching TEST ENABLE Operates over a standard temperature range of 40 C to 65 C Automatically detects operation in Total Access 3000 3010 shelf Meets NEBS Level 3 GR 1089 CORE...

Страница 3: ...ards and is intended to be installed in Restricted Access Locations only and only in type B or E equipment This device complies with Part 15 of the FCC rules Operation is subject to the following two...

Страница 4: ...ace Physical connection to the network interface is via dual SC connectors on the OC 3 MUX Signal specifications are as follows Fiber Type Single mode Wavelength 1310 nm Optical Budget 13 dB minimum T...

Страница 5: ...he locally dropped DS3 on the incoming OC 3 signal When detected the OC 3 MUX reports the RFI to the SCU for status condition reporting purposes The OC 3 MUX sends an RFI to the far end when it determ...

Страница 6: ...or Out of Lock LOCKOUT OFF YELLOW APS is enabled APS is Locked out due to INHIBIT Traffic will not switch away from the OC 3 MUX on detection of fault conditions NOTE To turn OFF the LED and to disabl...

Страница 7: ...3s and access modules switch The online OC 3 MUX detects an equipment failure both DS3s and access modules switch The online OC 3 MUX detects an STS 1 Path failure and the offline OC 3 MUX does not DS...

Страница 8: ...ervice Maintenance mode or the Out of Service Unassigned mode DS3 Line Build Out can also be changed while the related DS3 is out of service regardless of the OC 3 MUX service state Figure 4 Configura...

Страница 9: ...The DS3 1 DS3 2 Service State options are as follows Out of Service Unassigned This is a factory default read only state of the DS3 In order for a DS3 to be in this state the user must un map it dele...

Страница 10: ...shown on the screen are explained in the following subsections Shelf 1 Slot B Total Access System 01 06 03 16 54 Unacknowledged Alarms None DS3 Provisioning 1 DS3 1 Service State In Service DS3 1 Lin...

Страница 11: ...lly be reflected in the other unit WARNING When Linked Provisioning is enabled changes made to one card may potentially affect traffic on the other card even though the other card is in the In Service...

Страница 12: ...All data packets are sent in information frames and are acknowledged by the peer Lost packet recovery is handled by the data link Window Size This option identifies the maximum number of sequentially...

Страница 13: ...and B clock outputs derive timing from the receive fibers External Clock In A and B clock outputs derive timing from the external clock inputs This option can be used to daisy chain up to six shelves...

Страница 14: ...card The status of the OSI stack is displayed in the status menu and can also be obtained through SNMP 2 After the upgrade and reboot of one card is complete make sure it boots up properly and carrie...

Страница 15: ...tware option is only available following a successful software download Downloaded software will not take effect until unit is rebooted If OC 3 and or DS3 traffic is online on this card traffic will t...

Страница 16: ...Fail indicates that one or more failures have been detected on the transmit side RX Fail RX Fail indicates that one or more failures have been detected on the receive side Normal Normal indicates tha...

Страница 17: ...real time alarms for the MUX module The date time and a brief description of the alarm are included The alarm is displayed until the condition is cleared NOTE This is not an alarm history log All alar...

Страница 18: ...menu listed below The display reports if the performance registers have recorded any errors since the error summary was last initialized or the Reset Performance Registers command was last asserted Me...

Страница 19: ...Monitoring statistics in 15 minute intervals over a 24 hour period Navigate from this menu to a menu to choose which statistic to monitor After a selection is made a complete log of 15 minute interval...

Страница 20: ...03 09 08 Unacknowledged Alarms None STS 1 1 Performance Monitoring 1 STS 1 1 Daily 2 STS 1 1 Quarter Hourly 3 STS 1 1 Far End Daily 4 STS 1 1 Far End Quarter Hourly 5 STS 1 1 Daily Thresholds 6 STS 1...

Страница 21: ...ckout Status indicates whether the clock controller is allowed to switch to the protection ALLOWED or are prohibited from switching to protection INHIBIT MUX APS Lockout overwrites DS3 APS Lockout MUX...

Страница 22: ...S3 2 transmit traffic source This is a toggle operation and the DS3 2 traffic will switch if it is not inhibited by an alarm or an APS lockout STS 1 Mapping Menu Figure 17 represents the OC 3 MUX grap...

Страница 23: ...E 8 DS1 8 E 15 DS1 15 E 22 DS1 22 E 2 DS1 2 E 9 DS1 9 E 16 DS1 16 E 23 DS1 23 E 3 DS1 3 E 10 DS1 10 E 17 DS1 17 E 24 DS1 24 E 4 DS1 4 E 11 DS1 11 E 18 DS1 18 E 25 DS1 25 E 5 DS1 5 E 12 DS1 12 E 19 DS1...

Страница 24: ...be displayed out of the three STS 1s Show Path Trace The Show Path Trace option is used to display the trace message received from the far end node A null message is displayed as a blank line Send Pa...

Страница 25: ...ges Menu Figure 21 Display Options Menu Shelf 1 Slot B Total Access System 01 08 03 16 55 Unacknowledged Alarms None Synchronization Messages Primary External Clock Unavailable Clock Failure Secondary...

Страница 26: ...ration ADTRAN does not recommend that repairs be attempted in the field Repair services may be obtained by returning the defective unit to ADTRAN Refer to Warranty and Customer Service section for fur...

Страница 27: ...Optical Budget 13 dB minimum Transmit Level 8 to 15 dBm Receive Level 8 to 15 dBm Optics Intermediate Reach Rate 155 52 Mb s Power Input Voltage Range 42 C to 56 C Maximum Current Draw 2 5 A Maximum P...

Страница 28: ...28 61181031L3 5A...

Страница 29: ...nd Systems do not There are two types of Intermediate Systems A Level 1 IS routes packets to a destination within an area or to the nearest Level 2 IS for destinations outside the area A Level 2 IS ro...

Страница 30: ...ed the ISO DCC format as defined in GR 253 CORE and the Private format The ISO DCC format is 26 hex characters indicated by an Authority Format Identifier AFI value of 39 e g 3940F0000000000000000000...

Страница 31: ...meter has three possible values Disabled User Network If SDCC communications are not needed the DCC mode should be set to Disabled The central office side of the data link is typically the Network sid...

Страница 32: ...the traffic to the Offline MUX 6 Repeat steps 2 5 to change the NSAP area address on the other MUX module Turnup Sequence Follow the steps below for turnup 1 On the SCU set the MUX Auto Provisioning...

Страница 33: ...rsely affect the DCC There may be an LAPD mode mismatch Retrieve the provisioning for both ends of the DCC and verify the correct LAPD mode settings The DCC data link layer is not symmetric One side o...

Страница 34: ...A 6 61181031L3 5A...

Страница 35: ...c Message 2 DS3 Provisioning 1 DS3 1 Service State 2 DS3 1 Line Build Out 3 DS3 2 Service State 4 DS3 2 Line Build Out 5 Local DS3 Framing 3 Mux Provisioning 1 In Service 2 Out Of Service Maintenance...

Страница 36: ...atus Reboot Into New Software 3 Clock Source 4 DCC Options 1 OC 3 DCC 2 System ID 3 NSAP Area Address Terminal ID 5 Access OSI Stack Reboot Into New Address 1 DCC Mode Information Transfer Service Win...

Страница 37: ...econds Line Fault Coun 3 Reset Performance Registers for DS3 1 11 Perform APS switch on DS3 2 7 Protection Configuration Online Offline 1 Allow 2 Inhibit Mux Operational Status 2 Mux APS Lockout Statu...

Страница 38: ...Protection Switches Path Code Violations Path Errored Seconds Path Severely Errored Seconds Path Unavailable Seconds Path Fault Count 3 STS 1 1 Far End Daily 4 STS 1 1 Far End Quarter Hourly 1 Section...

Отзывы: