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CONTENTS
1.0 Warranty Information ................................................................. 3
1.1 Radio and TV Interference............................................................ 3
1.2 CE Notice...................................................................................... 3
1.3 Service.......................................................................................... 4
2.0 General Information.................................................................... 5
2.1 Features........................................................................................ 5
2.2 Description.................................................................................... 5
3.0 Installation................................................................................... 7
3.1 Connecting the Twisted-Pair Line Interface.................................. 7
3.2 Line Interface—Connecting the 10/100Base-T Ethernet Interface 8
Connecting the 10/100Base-T Ethernet Port to a Hub or PC....... 9
3.3 Connecting Power ...................................................................... 10
3.4 Power Input Connector ............................................................... 10
External AC universal power supply........................................... 10
External 48 VDC power supply................................................... 11
3.5 Console Port ............................................................................... 12
4.0 Operation................................................................................... 13
4.1 Front Panel LED Status Monitors ............................................... 13
A
Specifications ........................................................................... 14
A.1 General Characteristics .............................................................. 14
A.2 WAN Characteristics ................................................................... 14
A.3 Ethernet ....................................................................................... 14
A.4 Extension distance and rate ....................................................... 15
A.5 LED Indicators ............................................................................ 16
A.6 Power and Power Supply Specifications .................................... 16
A.7 Environmental ............................................................................. 16
A.8 Dimensions ................................................................................. 16
B
Models 2156 and 2157 Series Factory
Replacement Parts and Accessories...................................... 17
C
Models 2156 and 2157 Series Interface Pin Assignment ...... 18
C.1 10/100Base-T Interface .............................................................. 18
RJ-45.......................................................................................... 18
C.2 CopperLink Interface .................................................................. 18
RJ-11.......................................................................................... 18