ATL Telecom AM2048 - Manual (Page 5)

ascom
telecom USER GUIDE AM768A/AM2048A
5
Issue 8
Contents
COMPLIANCE NOTES AND SAFETY INSTRUCTIONS:
................................... 3
1. INTRODUCTION ........................................................................................................................................ 7
2. CONSTRUCTIONAL DETAILS................................................................................................................ 8
3. SYSTEM OVERVIEW .............................................................................................................................. 10
3.1 C OPPER T RANSMISSION ......................................................................................................................... 10
3.2 O PTICAL T RANSMISSION ....................................................................................................................... 11
3.3 DSL T RANSMISSION F RAME ................................................................................................................. 12
3.4 C ONTROL C IRCUIT ................................................................................................................................. 12
3.5 A LARM I NTERFACE ............................................................................................................................... 13
3.6 U SER I NTERFACE M ODULES .................................................................................................................. 13
4. INSTALLATION ......................................................................................................................................... 14
4.1 C ONNECTION OF P ROTECTIVE E ARTH .................................................................................................... 14
4.2 P OWER O N S EQUENCE ........................................................................................................................... 14
4.3 L OGGING O N ......................................................................................................................................... 14
4.4 S ETTING M ASTER /S LAVE MODE . ........................................................................................................... 15
4.5 S ETTING THE U SER I NTERFACE ............................................................................................................. 15
4.6 S ETTING THE N X 64K U SER D ATA R ATE ............................................................................................... 16
4.7 S ELECTING THE C IRCUIT C ONFIGURATION ............................................................................................ 16
4.7.1 Point to Point Link........................................................................................................................ 17
4.7.2 Point to Multipoint Link................................................................................................................ 20
4.8 B RINGING INTO S ERVICE ....................................................................................................................... 22
4.9 T RANSMISSION P ARAMETERS ................................................................................................................ 23
4.9.1 Transmission Range...................................................................................................................... 23
4.9.2 End to End Delay.......................................................................................................................... 24
4.9.3 Jitter.............................................................................................................................................. 24
4.10 G.703 I NTERFACE O PTIONS ................................................................................................................... 25
4.10.1 Unstructured Operation................................................................................................................ 25
4.10.2 Structured Operation .................................................................................................................... 26
4.10.3 Structured Working, CRCs Enabled ............................................................................................. 27
4.10.4 ETS 300 233 Loopbacks ............................................................................................................... 28
5. PHYSICAL INTERFACES ....................................................................................................................... 30
5.1 M AINS P OWER S UPPLY .......................................................................................................................... 30
5.1.1 240V Plug Top PSU...................................................................................................................... 30
5.1.2 240V In Line PSU ......................................................................................................................... 30
5.1.3 110V In-line PSU .......................................................................................................................... 30
5.2 DC P OWER INLET .................................................................................................................................. 30
5.3 C OPPER T RANSMISSION L INE ................................................................................................................ 31
5.4 O PTICAL T RANSMISSION L INE ............................................................................................................... 31
5.5 S ERIAL C ONTROL .................................................................................................................................. 31
5.6 A LARM I NPUT /O UTPUT P ORT ................................................................................................................ 32
5.7 I NTERFACE M ODULES ........................................................................................................................... 33
5.7.1 G.703 ............................................................................................................................................ 33
5.7.2 X.21............................................................................................................................................... 34
5.7.3 V.35............................................................................................................................................... 35
5.8 F RONT P ANEL ........................................................................................................................................ 36
5.8.1 Controls ........................................................................................................................................ 36
5.8.2 Indicators...................................................................................................................................... 37