Patton electronic 2158B 1 TX+/RX+, Tx-/Rx, 3 RX+/TX+, Rx-/Tx, Connecting Power, Configuration

	1 TX+/RX+
1	2 TX-/RX-
2	3 RX+/TX+
3
	4	(no connection)
4
5	5	(no connection)
6	6	RX-/TX-
7
	7 (no connection)
8

8 (no connection)

Figure 4. Model 2158B 10/100Base-T RJ-45 Connector Pinout.

3.3 CONNECTING POWER

The Interconnecting cables shall be acceptable for

external use and shall be rated for the proper applica-

tion with respect to voltage, current, anticipated tem-

CAUTION perature, flammability, and mechanical serviceability.

The Model 2158B does not have a power switch, so it powers up as soon as it is plugged in.

An external AC or DC power supply is available separately. This connec- tion is made via the barrel jack on the rear panel of the Model 2158B. No configuration is necessary for the power supply (See Appendix B for domestic and international power supply and cord options).

DC power (supplied via the power supply jack to the 2158B) must meet the following requirements; DC power supplied must be regulated +5VDC ±5%, 1.0A minimum. Center pin is +5V. The barrel type plug has a 2.5/5.5/10mm I.D./O.D./Shaft Length dimensions.

4.0 CONFIGURATION

The Model 2158B has four DIP switches (S1) for configuring the unit for a wide variety of applications. This section describes switch locations and explains the different configurations.

4.1 CONFIGURING THE HARDWARE DIP SWITCHES

Using a small flat-tip screwdriver, remove the protective cover located on the underside of the Model 2158B (see Figure 5).

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