Instrukcja obsługi ADTRAN TROCU DP

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Section 61291006L2-5
Issue 2, June 1999
CLEI Code #D4D3MPY_ _ _
Model TROCU DP Preferred Option
®
Total Reach All-Rate DDS Dataport
Installation and Maintenance
CONTENTS
1. GENERAL ..................................................................... 1
2. OPTIONS ...................................................................... 2
3. INSTALLATION ........................................................... 3
4. TESTING ....................................................................... 3

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1 2 ON 2. OPTIONS NOTE Select the appropriate OPTIONS and RATE using Do not use in SLC-96 Mode II unless unit is SW1 and faceplate switches as illustrated in Figure 3 provisioned through Digital System-6. and Figure 4. CAUTION NOTE Select only one option rate. Rate is selected on The TROCU DP must be used with an faceplate switch SW2 by pushing one or two appropriate TRDDS-R unit. switches to the right toward the inscribed rates. If either SW56 or 64 is selected, the secondary channel (SC) switc

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In lieu of option switches, the TROCU DP Preferred When inserted into a powered up backplane the Option has been preprovisioned with feature settings TROCU DP and TRDDS-R will synchronize within 30 as indicated in Table 1. to 90 seconds. When synchronized, the SYNC LOSS indicator LED will turn Off. If synchronization cannot Table 1. Preprovisioning be achieved, check the T/R pair for an open circuit or Fg eature Settin short circuit condition, or load coils (see LED Indicators). LNatchingLoopba

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As an enhancement to automated testing capability, TROCU DP TRDDS eliminates false error indication when invoking NIE, CSU, or DSU loopbacks immediately TRDDS-R X following release of OCU loopback. DSU/CSU X Open Loop TROCU DP Bidirectional Loopback Support The TROCU DP will execute a bidirectional loopback Bidirectional loopback when performing an OCU loopback at the TROCU DP as shown in Figure 5. If the TRDDS-R detects a Figure 7. TROCU DP Bidirectional Loopback bidirectional loopback durin

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and manual switch settings by pressing the 6. DEPLOYMENT GUIDELINES momentary Alternate Provisioning (AP) switch The TROCU DP and TRDDS-R use technology located on the front panel. If the channel unit is designed to eliminate the need for repeaters and removed from the system, the unit retains previous concerns over impairments caused by typical noise and provisioning information in nonvolatile Random bridge tap. Table 2 describes cable loss for the Access Memory (RAM). TRDDS Nyquist frequency o

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7. WARRANTY AND CUSTOMER SERVICE ADTRAN will replace or repair this product within 10 years from the date of shipment if it does not meet its published specifications or fails while in service (see: ADTRAN Carrier Networks Equipment Warranty, Repair, and Return Policy and Procedure, document: 60000087-10A). Contact Customer And Product Service (CAPS) prior to returning equipment to ADTRAN. For service, CAPS requests, or further information, contact one of the following numbers: ADTRAN Technical