ABB ProtectIT REL 551 2.5 Installation And Commissioning Manual page 5

Installing the serial communication cable for RS485 SPA/IEC .......... 37
RS485 serial communication module ........................................... 37
Informative excerpt from EIA Standard RS-485 ........................... 39
Data on RS485 serial communication module cable .................... 41
Installing the 56/64 kbit data communication cables.......................... 42
Chapter 6 Checking the external circuitry .................................... 45
Overview ............................................................................................ 46
Checking the CT and VT circuits ....................................................... 47
Checking the power supply................................................................ 48
Checking the binary I/O circuits ......................................................... 49
Binary input circuits....................................................................... 49
Binary output circuits .................................................................... 49
Chapter 7 Energising the terminal................................................. 51
Overview ............................................................................................ 52
Energising the terminal ...................................................................... 53
Checking the self supervision signals ................................................ 55
Reconfiguring the terminal............................................................ 55
Setting the terminal time ............................................................... 55
Checking the self supervision function ......................................... 55
Navigating the menus .............................................................. 55
Self supervision HMI data............................................................. 56
Chapter 8 Configuring the 56/64 kbit data
communication modules .............................................. 57
Configuring the fibre optical modem .................................................. 58
Calculation of optical power budget ................................................... 59
Configuring the short range fibre optical modem ............................... 60
Configuring the short range galvanic modem .................................... 64
Configure the interface modules for V.36, X.21 and RS530 .............. 66
Configuring the interface modules for G.703 co-directional............... 68
Fault tracing ....................................................................................... 69
Comfail function ....................................................................... 69
Explanation of contents in column 2 of table 42 ...................... 70
Configuring the transceiver 21-15xx .................................................. 73
Co-directional operation..................................................................... 74
Contra-directional operation............................................................... 76
Configuring the transceiver 21-16xx .................................................. 78
X.21 operation .............................................................................. 78
G.703 co-directional operation...................................................... 79
Chapter 9 Setting and configuring the terminal........................... 81
Contents