Honeywell UDC2500 manual Auxiliary Output and Digital Inputs Option Connections

Installation

Table 2-7 Terminals for connecting a UDC to a MDI Compliant Hub or Switch

UDC Terminal	UDC Signal Name	RJ45 Socket Pin #
Position 14	Shield	Shield
Position 15	RXD-	6
Position 16	RXD+	3
Position 17	TXD-	2
Position 18	TXD+	1

Switch Signal

Name

Shield

TXD-

TXD+

RXD-

RXD+

Table 2-8shows how to connect a UDC directly to a PC utilizing a straight-through cable (wiring the UDC cable this way makes the necessary cross-over connections)

Table 2-8 Terminals for connecting a UDC directly to a PC utilizing a straight-

through cable

UDC Terminal	UDC Signal Name	RJ45 Socket Pin #
Position 14	Shield	Shield
Position 15	RXD-	2
Position 16	RXD+	1
Position 17	TXD-	6
Position 18	TXD+	3

PC Signal Name

Shield

TXD-

TXD+

RXD-

RXD+

Auxiliary Output 1 Digital Inputs 1

12	+	Auxiliary
	_	Load
13		0 - 1000 Ω

Connect shield to ground at one end only.

	+
10	_
11	+
12
	_
13

Connect shield to ground at one end only.

Digital

Input #1

Digital

Input #2

1 Auxiliary Output and Digital Input 2 are mutually exclusive.

Figure 2-17 Auxiliary Output and Digital Inputs Option Connections

30 UDC2500 Universal Digital Controller Product Manual 4/07