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PWR / DDS
1102040L4
ACT
UBR1TE III
CR LP
B
2
B
1
Section 61102040L4-5B
Issue 2, January 2001
CLEI Code #5SC597IF_ _
SLC-5 U-BR1TE III w/PWR and DDS Loopbacks
ISDN 2B1Q Interface
Installation and Maintenance
CONTENTS
1. GENERAL .............................................................................. 1
2. INSTALLATION .................................................................... 3
3. TESTING ................................................................................ 8
4. MAINTENA
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transport of 2B+D information. Block error rate • Loopback release in response to TIPs generated performance over the T1 facility is monitored and is from the network direction per TR62310. available to the network. • Remap all subsequent DS0 DP loopback codes into respective eoc loopbacks to loopback The SLC-5 U-BR1TE III incorporates a feature that respective downstream U-Repeaters, TRISDN allows for detection of ISDN capable and non-ISDN elements, and U-BR1TES when optioned for capable SLC-5
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The U-BR1TE III will function with any ISDN 2B1Q U-interface that is ANSI T1.601 compliant. I 2B+D 2B+D Empty 2. INSTALLATION 12 3 C A U T I O N C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE Available OR DECREASE IN RELIABILITY. II 2B+D Empty for Other HANDLING PRECAUTIONS REQUIRED. Services 45 6 After unpacking the unit, inspect it for damage. If damage is noted, file a claim with the carrier, then contact ADTRAN. See Warranty and Customer Available Service. III for Other 2B+D Empty Ser
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Interface Requirements The U-BR1TE III unit includes two interfaces. The NOTE loop-side interface is an ISDN U-interface which is When the U-BR1TE III is optioned for B1 or B2, used to deliver Basic Rate service. The carrier-side the SLC-2000 slot must be provisioned for D interface is a SLC-5 or SLC-2000 channel bank only. If the U-BR1TE III is optioned for 2B, interface which is used to insert data into the 1.544 then the SLC-2000 slot must be provisioned for Mbps T1 stream. Only the polarit
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Table 2. Internal Switch Option Settings Sl witchLn abeFn unctio Descriptio SW1-1 B1Se ervice Level Selection Selects the service level. The U-BR1TE III may b SW1-2 B2 optioned to deliver full ISDN (2B+D) or any of the SW1-3 D following levels of service. Service SW1-1 SW1-2 SW1-3 Service Type O OOn OOn p p p p pt t t t tiiiiio o o o on n n (() ( (() B B B B B1 1 1 1 1) ) ) (() ( (() B B B B B2 2 2 2 2) ) ) () ( (() (D D D D D) ) ) ID SDN *n 2B+ OnOn O LB eased (128 kbps) 2nOnOf Of ID SDN/ DDS
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Figure 5 displays the position switch settings at ISDN network locations. SLC-5 SLC-5 COT RT 2-Wire 2-Wire L L Loop T Carrier U U Customer N L NT1 T T Note: Channel Channel Refer to Table 2 for switch Bank Bank function descriptions. Adjacent Adjacent to Customer (Source) to Switch SW2- SW2- 1 - LUNT (COT) 1 - LULT (RT) 2 - ADJ 2 - ADJ SW1- SW1- 5 - OFF 5 - OFF D4/SLC- 96 D4/SLC-96 SLC-5 SLC-5 2-Wire COT RT COT RT 2-Wire 2-Wire Loop L T Carrier L L
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Figure 6 displays the position switch settings at IDSL/DDS network locations. SLC 5 AB 4W 2-Wire Digital C D E Local 4W DS0 DP 4W DS0 DP Loop T1 T1 Customer 4W DS0-DP U-BR1TE or or IDSL OCU-R 1 Premises or DCS 1B OCU DP DCS COT RT D4 D4 SW2- 1 - LULT 2 - ADJ SW1- 1 - B1 2 - OFF 3 - OFF 4 - OFF 5 - PWR Non-ADTRAN U-BR1TE 1B+D A 2-Wire 2W BC DE Local 4W DS0 DP Digital Loop T1 U-BR1TE U-BR1TE or T1 U-BR1TE Customer IDSL OCU-R 2 1B 1B+D OCU DP Premises 1B+D COT D4 RT D4 1102040L4 Equip
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Front Panel Features When used in B1 configuration (non-D channel modes The RJ-45 jack allows front panel test access for local of operation) the U-BR1TE III will respond to an in- or downstream loopbacks. The address select knob band DS0 DP latching loopback sequence. When (SW3) determines which element is being looped remote testing is not available, or during back. Table 3 lists the loopback options. troubleshooting, the U-BR1TE III front panel provides local test capabilities for use with
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To initiate a point-to-point test, perform the Local Loopback following: The U-BR1TE III incorporates a special test mode to provide a local 2B+D bilateral loopback. Once 1. Connect the DS0 digital tester to the RJ-45 jack. invoked, this test allows an upstream and downstream 2. Configure the test set for Near Logic and 64kbps. test set to send a straight-away test pattern. To put the 3. Select the desired test direction and bearer U-BR1TE III into this test mode, select ADR7 on the channel u
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When the U-BR1TE III operation is normal, the of the U-interface between the LULT and the NT1. ADR7 position of SW1 does not have a function. Performance Monitoring TR829 The U-BR1TE III supports performance monitoring remotely from the ISDN switch. NOTE This test option is only available on power up of IDSL/DDS Description the U-BR1TE III. The U-BR1TE III may be deployed in the adjacent to customer mode to provide transport for DDS/Frame Relay services with an ADTRAN IDSL OCU-R. This I
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DS0 DP Loopback eoc Remapping 3. Minimum of 100 loopback enable (LBE) bytes Upon receipt of subsequent DS0 DP loopback codes (X1010110). when the D channel is disabled, the U-BR1TE III 4. Minimum of 32 far-end voice (FEV) bytes remaps the subsequent DS0 DP loopback sequences (X1011010). into the respective ISDN eoc loopback messages. This capability will permit all downstream ISDN D If the U-interface of the U-BR1TE III is not in sync, channel enabled U-BR1TEs, U-Repeaters, and the unit transmit
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Remote End Initiated LBK Tests If errors exist the loopbacks can help determine the The U-BR1TE supports loopbacks generated from source; either the local loop or the IDSL OCU-R. the IDSL OCU-R which allow testing to be performed During a remote end initiated loopback the IDSL/DDS without coordination with the CO or test center. system transmits ASC 9Eh towards the network, Loopbacks initiated by the OCU-R front panel LBK indicating an out-of-service condition generated by the pushbutton, aid i
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IDSL/DDS Trouble Code Contact Customer and Product Service (CAPS) prior The IDSL/DDS system provides a quick diagnosis in to returning equipment to ADTRAN. the case of a circuit condition where continuity is For service, CAPS requests, or further information, broken. The trouble code type received by a tester contact one of the following numbers: determines whether the open condition is occurring on the local loop or at the customer premises. In the ADTRAN Sales event of a 2-wire DSL loss of s
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14 Section 61102040L4-5, Issue 2 61102040L4-5B
