Patton electronics 2121 User Manual

Also see for 2121: User manual Specification sheet

Contents

Patton electronics 2121 User Manual Manual pdf 5 page image

74.0 INSTALLATIONThe 2121/2135C is equipped with Network, DTE, and powerinterfaces. This section briefly describes connnection to each inter-face.4.1 CONNECT TO 10BASET ETHERNET PORTThe shielded RJ-45 Ethernet port on the Model 2121/2135C isdesigned to connect directly to a 10BaseT network. Figure 3shows the 10BaseT RJ-45 port pin description. You may makeconnections up to 300 feet using type 4 or 5 cable.4.1.1 Connect the 10BaseT Ethernet Port to a HubThe Model 2121/2135C 10BaseT interface is configured asDTE (Data Terminal Equipment). Use the diagram below to con-struct a cable to connect the 2121/2135C to a 10BaseT Hub.2121/2135C 10BaseT HubRJ-45 Pin No. RJ-45 Pin No.1 (TX+)..........................1 (RX+)2 (TX-)..........................2 (RX-)3 (RX+).........................3 (TX+)6 (RX-)..........................6 (TX-)4.1.2 Connect the 10BaseT Ethernet Port to a PC (DTE)The Model 2121/2135C 10BaseT interface is configured asDTE (Data Terminal Equipment). To connect the 2121/2135C toanother DTE such as a 10BaseT network interface card in a PC,construct a 10BaseT crossover cable as shown in the diagrambelow.2121/2135C 10BaseT DTERJ-45 Pin No. RJ-45 Pin No.1 (TX+) 1 (TX+)2 (TX-) 2 (TX-)3 (RX+) 3 (RX+)6 (RX-) 6 (RX-)1 TD+ (data output from Ethernet)2 TD- (data output from Ethernet)3 RD+ (data input to Ethernet)4 (no connection)5 (no connection)6 RD- (data input to Ethernet)7 (no connection)8 (no connection)Figure 3. Model 2121/2135C Ethernet connector pinout4.3 POWER CONNECTIONThe Model 2121/2135C offers either an AC or DC power sup-ply.The 2121/2135C provides a strap selectable power supply.4.3.1 AC Power Supply (100-240VAC)The Model 2121/2135C uses a 5VDC, 2A universal input 100-240VAC, power supply (center pin is +5V). The universal inputpower supply is equipped with a male IEC-320 connector. Thispower supply connects to the Model 2121/2135C via a barrel jackon the rear panel. A variety of international power cords are avail-able for the universal power supply.The Model 2121/2135C powers up as soon as it is pluggedinto an AC outlet. The unit does not have a power switch.The 2121/2135C is factory set to be used with the AC powersupply.Note: Default setting has strap on position 7 and 8 on J3 forAC power supply. See figure 4 below.8Figure 4. Strap positions 7 and 8 on J3