Руководство по эксплуатации ADTRAN SHDSL T1

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Section 61182210L1-5A
Issue 1, August 2003
Total Access SHDSL T1/E1 Line Terminating Unit
Installation and Maintenance Practice
CONTENTS
1. General ................................................................... 1
2. Description ............................................................. 1
3. Installation.............................................................. 2
SHDSL
1182210L1
4. Provisioning ........................................................... 4
PWR
5. Operation.............

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• Factory default restoration via VT100 menu screens 1. This device may not cause harmful interference. or SNMP commands 2. This device must accept any interference received, • Firmware upgrade using YModem or TFTP including interference that may cause undesired connection operation. • Receives remote NTU’s firmware upgrades via Changes or modifications not expressly approved by YModem or TFTP connection ADTRAN could void the user’s authority to operate this • Automatically updates the Circ

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Shipping Contents 1. If present, remove the Access Module Blank (P/N The contents include the following items: 1181953L1) from the appropriate access module slot of the Total Access 3000 chassis. • SHDSL T1/E1 LTU 2. Hold the unit by the front panel while supporting • SHDSL T1/E1 LTU Installation and Maintenance the bottom side with the ejector latch at the bottom, Practice and the latch opened to engage the chassis edge when it is plugged in. CAUTION 3. Align the module edges to fit in t

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4. PROVISIONING All provisioning will be handled through the SCU NOTE communication link, either through the menu access or To ensure proper display background, select SNMP. There are no onboard DIP switches or jumpers. VT100 terminal emulation under Settings. The unit will retain provisioning data in a nonvolatile memory device in case of a loss of power to the module. Total Access 3000 system management and provi- Password and User ID sioning is facilitated by a series of intuitive menus

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Customer Port The SHDSL T1/E1 LTU operates in either E1 mode or NOTE T1 mode. When the LTU is in T1 mode, all related E1 options will be non-applicable. A non-appli- E1 Mode cable option setting is still changeable, but will In E1 mode the port features are as follows: not take affect until the option become appli- cable. • Carries information at the rate of 2.048 Mbps • Uses CCS framed format with or without CRC-4 • Operates in either Alternate Mark Inversion (AMI) 5. OPERATION or High-Den

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6 Issue 1, August 2003 61182210L1-5A SHDSL Version 1. LTU 1. Unit Information Vendor List Number Main 2. NTU Vendor Issue Number Menu Vendor Software Version 1. Data Mode = E1, Timeslots 1. Data Type = E1 Unit Identification Code (CLEI) 1. Unit Options Vendor ID 2. Local Management = Enabled 1. Disabled 2. Data Rate = 3 Vendor Model Number 1. Internal 2. Enabled 3. Apply Settings Vendor Serial Number 3. Clock Source = Internal Manufacture Date 2. External 1. In Service 4. Service State = In S

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Table 4. Configuration Options List Category Option Setting Default Unit Options Data Mode For Data Type = T1, Data Rate can Data Type = 1 be from 3 to 24 timeslots (i.e. 200 kbps to 1.544 Mbps) For Data Type = E1, Data Rate can Data Rate = 24 be from 3 to 32 timeslots (i.e., 192 kbps to 2.048 Mbps) Local Management 1 = Disabled Enabled 2 = Enabled Clock Source 1 = Internal Internal 2 = External Service State 1 = In Service Out of Service - 2 = Out of Service - Unassigned Maintenance 3 = Out

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Table 4. Configuration Options List (Continued) Category Option Setting Default E1 Options (E1 Mode Only) Line Coding 1 = AMI HDB3 2 = HDB3 Framing Mode 1 = Unframed CCS 2 = CCS 3 = CCS w/CRC-4 Idle Pattern 00h to FFh FFh ISDN - PRA V3 (CCS or 1 = Disabled Disabled CCS w/CRC-4 Mode Only) 2 = Enabled Test options Loopback Timeout 0 = Disabled Disabled 1 to 999 Minutes = Timeout BERT Pattern 1 = ALT 2e15 – 1 2 + 2047 3 = 2e15 – 1 4 = QRSS BERT Pattern Polarity 1 = Normal Normal 2 = Inverted Table

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Table 6. T1 Port Statistics Definitions Statistic Framing Mode Definition Errored Seconds (ES) Unframed LOS condition or BPV’s > 0 SF LOS or LOF condition, or if BPV’s > 0 or FE’s > 0 ESF LOS or LOF condition, or if BPV’s > 0 or FE’s > 0 Severely Errored Seconds (SVS) Unframed LOS condition or BPV’s > 1544 SF LOS or LOF condition, or if BPV’s > 1544 or if FE’s > 8 ESF LOS or LOF condition, or if BPV’s > 1544 or if FE’s > 8 Unavailable Seconds (UAV) N/A If 10 continuous SES’s, then UAS If 10 con

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10 Issue 1, August 2003 61182210L1-5A