Instruction/ maintenance manual of the product 2 x E1 ADTRAN
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TRACER 2 x E1 User ’s Manual, 2001 61280004L2-1C TRACER ® 2 x E1 User ’ s Manual.
TRACER 2 x E1 User ’s Manual, 2001 61280004L2-1C.
This equipment has been tested and found to comply with the limits for an intentional radiator, pursuant to Part 15, Subpart C of the FCC Rules. This equipment generates, uses, and can radiate radio frequency energy. If not installed and used in accordance with the instructions, it may cause interference to radio communications.
TRACER 2 x E1 User’s Manual 61280004L2-1C Radio Frequency Interference Statement ii • The installed antenna must not be located in a manner that allows exposure of the general population to the direct beam path of the antenna at a distance less than 15 feet (4.
TRACER 2 x E1 User ’s Manual 61280004L2-1C T able of Contents iii Page Section 1. Tracer Description Introduction .................................................................................................................................... 1 Applications .
TRACER 2 x E1 User’s Manual 61280004L2-1C T able of Contents iv E1 Interfaces ..................................................................................................................... 13 Link Planning ....................................
TRACER 2 x E1 User ’s Manual 61280004L2-1C T able of Contents v Main Menu Screen ...................................................................................................... 27 E1 Status / Configuration / Loopback Screen ..................
TRACER 2 x E1 User’s Manual 61280004L2-1C T able of Contents vi Carrier Sync Status or E1 Mux Sync Status ............................................................... 41 RFC Link Up Status .........................................................
TRACER 2 x E1 User ’s Manual 61280004L2-1C T able of Contents vii Illustrations Figure 1-1. Typical Application ................................................................................................. .1 Figure 1-2. Bandwidth Division .....
TRACER 2 x E1 User’s Manual 61280004L2-1C T able of Contents viii.
INTRODUCTION The Dual E1 version of TRACER provides two, individual E1 transports via a 2.4 GHz or 5.8 GHz, direct sequence, spread spectrum microwave link. The transmitter output power is 20 dBm maximum while the receiver sensitivity is -89 dBm @ 2.4 GHz and -87 dBm @ 5.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 1 TRACER Description 2 Direct Sequence A direct sequence transmitter spreads the signal by mixing the data with the output of a pseudorandom number generator which changes state at a rate higher than the data rate.
TRACER 2 X E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 3 E1 Interfaces The E1 interfaces conform to the ITU G.703 and G.704 electrical and signaling interface recommendations. Two interfacing configurations are allowed - two pair of BNC coaxial connectors or two 15-pin sub-D connectors and RJ48 connectors.
TRACER 2 x E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 4 A block diagram of the BBP is shown in Figure 1-5 . VT100 RS-232 Interface An RS-232 interface is provided via a 25-pin D connector for attaching a VT100 compatible terminal.
TRACER 2 X E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 5 • Loss of signal • Code violation • CRC error • Framing error • Remote alarm • UA1 A seven-day error history of the E1 interfaces and radio link is also provided.
TRACER 2 x E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 6 As a rule, a green LED indicates a normal situation, a red LED indicates an error situation, and a yellow LED indicates a configuration option. LEDs indicating overall system integrity are listed below.
TRACER 2 X E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 7 The LEDs that indicate error conditions in the spread spectrum data pump and RFC are listed below. All of these LEDs are visible through the front panel. Any one of these LEDs indicates an error condition that precludes system operation.
TRACER 2 x E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 8 Built-In T ests The TRACER has several features to aid in site setup and later debugging. These diagnostics include E1 loopbacks and a link test with BERT (Bit Error Rate Test) data.
TRACER 2 X E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 9 Three SMA connectors, located on the RFC module, provide RF and IF connection points.
TRACER 2 x E1 User ’ s Manual 61280004L2-1C Section 1 TRACER Description 10 Figure 1-11. Mastmount RFC Housing Up Angle V iew Eye Level V iew WARNING Mounting Clearances Housing Assembly and Guide for Mounting Bracket Holes Antenna Selection TRACER is intended to be coupled with an antenna that is directional (thus providing signal gain).
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 11 UNPACK, INSPECT Carefully inspect the TRACER for any shipping damages. If damage is suspected, file a claim immediately with the carrier then contact ADTRAN Customer Service.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 12 Grounding The following grounding instructions are derived from the Underwriters’ Laboratory UL 1459 Standard for Safety: Telephone Equipment dated September 20, 1993.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 13 E1 Interfaces The E1 interface conforms to the ITU G.703 and G.704 electrical and signaling interfaces recommendations. Two interfacing configurations are available: • 75 Ω unbalanced BNC coaxial connectors.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 14 Three loopback functions are provided for diagnostic capability of each E1 interface. The local line loopback (Loop 1 as illustrated in Figure 2-1) loops the incoming E1 signal back out at the E1 framer.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 15 Antenna Feedline Loss Feedline loss is a function of feedline type and length. Feedline loss per 30.48 meters (100 feet) for several types of coax at IF and RF frequencies is detailed in the table below.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 16 Path Loss The free space path loss is given by Loss(dB) = 96.6 + 20 log 10 f + 20log 10 D * 1.609344 where D is distance in kilometers f is operating frequency in GHz A tabulation of various path loss is given below.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 17 The nominal received signal level is -60 dBm. For help in link planning, use the path loss calculation worksheet below.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 18 SETTING THE RFC FREQUENCY PLAN ON NON 1 WATT 2.4 GH Z MODELS The frequency plan designates on which frequencies the TRACER transmits and receives. Plan A corresponds to a transmitting (Tx) center frequency of 2422 MHz and a receive (Rx) center frequency of 2462 MHz.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 19 9. Reattach the cable assemblies from the ports labelled “Tx” and “Rx” on the RFC and the ports labelled “J1” and “J2” on the diplexer. Cable connections should be aligned to each other as follows.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 20 SETTING THE RFC FREQUENCY PLAN ON 5.8 GH Z MODELS The 5.8 GHz RFC operates on Plan A, Tx = 5747 MHz center frequency, Rx = 5827 MHz center frequency or Plan B, Tx = 5827 MHz center frequency, Rx = 5747 MHz center frequency.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 21 CONNECTING THE BBP AND THE RFC The BBP and the RFC are connected by an IF cable, either supplied by ADTRAN (for rackmount assembly) or by the customer (for mastmount assembly). This single connection provides everything the RFC requires.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 22 CO-LOCATING MULTIPLE SYSTEMS When multiple transmitters are to be co-located (installed in the same equipment room or on the same tower), it is advised to set all systems as follows: 1.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 2 Installation 23 REMOTE BERT The TRACER includes a Bit Error Rate Tester (BERT) to verify that the installed system is operating correctly. When the “Remote Test” button is pushed on the local BBP, the remote end will send a BERT pattern for approximately ten seconds.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 2 Installation 24.
VT100 USER INTERFACE The TRACER may be accessed with a VT100 compatible terminal set to 9600 bits per second, 8 data bits, and no parity, connected to the RS-232 port on the back of the unit. Once a terminal is connected, pressing the “Ctrl” and “L” keys will redraw the current screen.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 3 Operation 26 MAIN MENU SELECTIONS System Status Screen The screen in Figure 3-1 displays the status of major system components. This is a status screen only; no configurations can be performed. More detailed information can be obtained by way of the Main Menu (Figure 3-2).
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 3 Operation 27 Main Menu Screen Pressing “M” on any screen will take the user to the Main Menu (see Figure 3-2 ), from which the subsequent screens can be accessed.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 3 Operation 28 E1 Status / Configuration / Loopback The status of the two E1 interfaces is displayed on this screen. Information such as alarm status, signaling, line coding, and CRC4 Detection framing type are shown.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 3 Operation 29 Link Performance History The screen in Figure 3-6 presents detailed error statistics for the RF link. The data is presented as RFC (Radio Frequency Converter) and LNK (RF Link) representing seconds out of service for each.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 3 Operation 30 E1A Statistics Page The screen in Figure 3-7 presents detailed error statistics for E1A.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 31 GENERAL If you experience a problem with the TRACER system, check to ensure that all connectors, coaxial cables, antennas, and E1s are all properly connected; and that the system configuration ensures proper transmit and receive levels for the RF equipment.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 32 Recommended Actions: 1. Check the RX power using the VT100 user interface or RSSI voltage. 2. Check the far-end transmitter for operation and proper transmit power. 3. Check the RF path using a spectrum analyzer or RSSI voltages for proper alignment.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 33 “LBK-A” or “LBK-B” is Lit This indicator will activate when a software or front panel command E1 loopback has been established. Recommended Action Possible Cause (see list below) • A loopback has been commanded from the VT100 user interface.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 34 ALM is Lit When the ALM light is on (solid), it indicates reception of an UA1 signal at the E1 interface. If the “ ALM ” is blinking, it indicates an RRA alarm has been received.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 35 “T est” Light is Lit or Blinking The test alarm will remain on (solid) during power-up, indicating a self-test is in progress. The light will flash or remain on (solid) if the self-test fails.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 36 I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (011) 256-963-8716. “Fail” Light is Lit After Pressing “Remote T est” Button The Remote Fail light will activate after a Remote Test has failed.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 37 I M P O R T A N T If problems persist after you have followed the Recommended Actions, contact ADTRAN Technical Support at (011) 256-963-8716.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 38 OOF Alarm The OOF alarm is indicated on the E1A or E1B Status/Configuration/Loopback page. Recommended Action Possible Cause (see list below) • The E1 signal has lost framing sync .
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 39 Recommended Actions: 1. Check the far-end equipment for alarms or a LOS condition. 2. Check the E1 connections at the far-end equipment. 3. Reset the far-end equipment. UA1 Alarm This alarm is indicated on the E1A or E1B Status/Configuration/Loopback page.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 40 Code Sync Status The Code Sync Status will indicate NO on the TRACER System Status page when the link is down or not operational. The Code Sync Status will indicate NO when data synchronization has not been achieved between each end of the RF link.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 41 Carrier Sync Status or E1 Mux Sync Status The Carrier Sync status will indicate NO on the TRACER System Status page when frequency synchronization has not been achieved between each end of the the RF Link.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 42 RFC Link Up Status The RF Link Up Status will indicate NO on the TRACER System Status page when communication between the BBP and RFC has failed. Recommended Action Possible Cause (see list below) • Failure of the IF cable.
TRACER 2 x E1 User ’s Manual 61280004L2-1C Section 4 T roubleshooting 43 SES V alues in E1A or E1B Performance History Menu This value indicates the number of Severely Errored Seconds in the E1 data stream. Possible Cause • When CRC is enabled, a severely errored second is listed when more than 805 CRCs occur within that second.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 4 T roubleshooting 44.
This section lists the specifications for the TRACER system. Transmitter Output Power 100 mW Transmitter ...................... +20 dBm, maximum 1 W Transmitter ............................. +30 dBm, maximum (Factory preset to +27 dBm) Frequency Range .
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 5 Specifications 46 Test Points ............................................ RSSI, QPSK Constellation VT100 Terminal ................................... Menu-Driven User Interface, Control of the Remote End, Password Protected (Optional), Event History VT100 Terminal Interface Data Rate .
WARRANTY ADTRAN will replace or repair this product within five years from the date of shipment if it does not meet its published specifications or fails due to defects in materials and workmanship.
TRACER 2 x E1 User’s Manual 61280004L2-1C Section 6 W arranty , Ordering and Return Information 48.
ACRONYMS USED IN THIS MANUAL AMI ........................................................ Alternate Mark Inversion BER ........................................................ Bit Error Rate BBP ........................................................
TRACER 2 x E1 User’s Manual 61280004L2-1C Glossary 50.
The cable connections required for various configurations are detailed below. Terminal Connection (DB-25) Tracer (DCE) Terminal (DTE) Number Name Number Name 2 .............. TXD 2 ............. TXD 3 .............. RXD 3 ............. RXD 4 .........
TRACER 2 x E1 User ’s Manual 61280004L2-1C Appendix A Cable Connections A-2.
An important point after buying a device ADTRAN 2 x E1 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought ADTRAN 2 x E1 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data ADTRAN 2 x E1 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ADTRAN 2 x E1 you will learn all the available features of the product, as well as information on its operation. The information that you get ADTRAN 2 x E1 will certainly help you make a decision on the purchase.
If you already are a holder of ADTRAN 2 x E1, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime ADTRAN 2 x E1.
However, one of the most important roles played by the user manual is to help in solving problems with ADTRAN 2 x E1. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ADTRAN 2 x E1 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
