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ADTRAN D4 U-BR1TE V - page 1
1 Section 61104020L4-5, Issue 3 61104020L4-5C 1. GENERAL This practice provides installation and maintenance procedures for the ADTRAN D4 U-BR1TE V w/PWR and DDS Loopbacks, P/N 1104020L4. Figure 1 is an illustration of the U-BR1TE V. ISDN/DDS The U-BR1TE employs features for both ISDN and DDS transport. ISDN comprises the major functionality and is ...
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ADTRAN D4 U-BR1TE V - page 2
2 Section 61104020L4-5, Issue 3 61104020L4-5C C A U T I O N C A U T I O N ! SUBJECT TO ELECTROSTATIC DAMAGE OR DECREASE IN RELIABILITY. HANDLING PRECAUTIONS REQUIRED. • All Layer 1 maintenance function and performance monitoring as specified in TR-NWT-000397 and TR-TSY-000829. • Distinctive metallic DC test signature to identify either line uni ...
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ADTRAN D4 U-BR1TE V - page 3
3 Section 61104020L4-5, Issue 3 61104020L4-5C In SLC-96 Mode I with D1D counting channel bank, the time slots are allocated as shown in Figure 3 with two time slots per physical channel slot. The unit uses two time slots in one physical slot and a time slot from an adjacent slot when configured for 2B+D operation. When selected for Slot 1, 4, 7, or ...
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ADTRAN D4 U-BR1TE V - page 4
4 Section 61104020L4-5, Issue 3 61104020L4-5C See Figure 4 for additional channel slot deployment restrictions for each bank type. D4 Bank Requirements The COT D4 bank must be configured with an OIU-2 selected for external timing. The COT bank must be provided with an external composite clock synchronized with the network. SLC-96 Bank Requirements ...
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ADTRAN D4 U-BR1TE V - page 5
5 Section 61104020L4-5, Issue 3 61104020L4-5C Table 1. SW1, SW3, and SW6 Option Settings e c i v r e S e p y Te p y T e p y T e p y Te p y Tn o i t p On o i t p O n o i t p O n o i t p On o i t p O 3 - 1 W S ) 1 B () 1 B ( ) 1 B ( ) 1 B () 1 B ( 4 - 1 W S ) 2 B () 2 B ( ) 2 B ( ) 2 B () 2 B ( 5 - 1 W S ) D () D ( ) D ( ) D () D ( N D S ID + B 2n On ...
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ADTRAN D4 U-BR1TE V - page 6
6 Section 61104020L4-5, Issue 3 61104020L4-5C Figure 6 displays the position switch settings at network locations. Front Panel Features The U-BR1TE V front panel features a two position DIP switch, a recessed pushbutton, a rotary switch, a bantam jack, and LEDs, as illustrated in Figure 1. The B1/B2 DIP Switch selects the desired bearer channel, B1 ...
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ADTRAN D4 U-BR1TE V - page 7
7 Section 61104020L4-5, Issue 3 61104020L4-5C 3. TESTING The U-BR1TE V responds to embedded operation channel loopbacks, including B1, B2, and 2B+D, when configured for D channel operation. When used in B1 configuration (non-D channel modes of operation) the U-BR1TE V will respond to an in-band DS0 DP latching loopback sequence. When remote testing ...
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ADTRAN D4 U-BR1TE V - page 8
8 Section 61104020L4-5, Issue 3 61104020L4-5C The front panel bantam jacks accommodate standard DS0 Logic Testers such as the TPI 108/109 RT II or FIREBERD 4000/6000 which perform both the upstream and downstream testing. NOTE On DDS circuits the internal 2047 Pattern Generator on the U-BR1TE V should be used only when the service is operating at 6 ...
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ADTRAN D4 U-BR1TE V - page 9
9 Section 61104020L4-5, Issue 3 61104020L4-5C 4. Depress the recessed TEST pushbutton to initiate the test. The TEST LED will illuminate GREEN and the ERR LED should go out following synchronization to the test pattern from the far end. 5. If the far end unit is a U-BR1TE V using the internal 2047 test pattern, perform steps 1 through 4, choosing t ...
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ADTRAN D4 U-BR1TE V - page 10
10 Section 61104020L4-5, Issue 3 61104020L4-5C IDSL/DDS Description The U-BR1TE V may be deployed in the adjacent to customer position to provide transport for DDS/Frame Relay services with an ADTRAN IDSL OCU-R. This allows pair savings over traditional DDS deployment on local loops up to 18 kft of mixed gauge wire. The IDSL OCU-R is used to termin ...
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ADTRAN D4 U-BR1TE V - page 11
11 Section 61104020L4-5, Issue 3 61104020L4-5C DS0 DP Loopback EOC Remapping Upon receipt of subsequent DS0 DP loopback codes when the D channel is disabled, the U-BR1TE V remaps the subsequent DS0 DP loopback sequences into the respective ISDN EOC loopback messages. This capability will permit all downstream ISDN D channel enabled U-BR1TEs, U-Repe ...
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ADTRAN D4 U-BR1TE V - page 12
12 Section 61104020L4-5, Issue 3 61104020L4-5C Performance Monitoring Local Performance Monitoring is available only for the U-interface, when configured for a leased mode of operation. See the subsections entitled Loopback Tests, Point-to-Point Test , and Local Loopback for applicable test descriptions. ADTRAN U-BR1TE Bidirectional Loopback In LUL ...
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ADTRAN D4 U-BR1TE V - page 13
13 Section 61104020L4-5, Issue 3 61104020L4-5C During a remote end initiated loopback the system transmits ASC 9Eh toward the network, indicating an out-of-service condition generated by the remote end, as shown in Figures 10 and 11. All IDSL/DDS system latching loopbacks, whether initiated by the IDSL DCU-R craft interface, LBK pushbutton, CO, or ...
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ADTRAN D4 U-BR1TE V - page 14
14 Section 61104020L4-5, Issue 3 61104020L4-5C 4. MAINTENANCE The ADTRAN U-BR1TE V does not require routine maintenance for normal operation. 5. WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within ten (10) years from the date of shipment if it does not meet its published specifications or fails while in service. Refer to ...
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