Crestron PAC2 Specifications download pdf (Page 13)

Crestron PAC2 Professional Automation Control System

Operations Guide – Doc. 5941A Professional Automation Control System: PAC2 • 9

Connectors, Controls & Indicators (Continued)

# CONNECTORS

CONTROLS &

INDICATORS

DESCRIPTION

6 BACKUP NET INPUT

24 Y

Z G

(1) 4-pin 3.5 mm detachable terminal block

backup Cresnet port;

Connects to the NET port of a backup control

system and power supply

24: Power (24 Vdc)

Y: Data

Z: Data

G: Ground

7 PWR LED (1) Green LED, indicates power supplied to

unit via AC line or BACKUP NET INPUT

8 Reset Buttons

HW-R – Hardware reset (reboots the control

system)

SW-R – Pressing this in combination with

HW-R button performs a system restart

without loading the program. Pressing it

alone momentarily while the system is

running restarts the program

9 NET LED (1) Yellow LED, indicates Cresnet bus

activity

10 ERR LED (1) Red LED, indicates control system has

generated an error message

11 LAN (A – B) LEDS

LNK – Indicate the Ethernet card has

established a valid Ethernet connection

ACT – Indicate communication (activity) at

the respective port on the Ethernet card

12 FAULT (and LED)

(1) 2-pin 3.5 mm detachable terminal block;

Contract closure output;

Relay closed when PAC become inactive;

Connects to digital input of backup control

system;

(1) Red LED, indicates PAC2 has become

inactive, FAULT output is active (relay

closed)

13 RELAY OUTPUT

(1 – 8)

1 2 3 4

5 6

(2) 8-pin 3.5 mm detachable terminal blocks

comprising (8) normally open, isolated

relays;

Rated 1 amp, 30 volts ac/dc;

MOV arc suppression across contacts

14 S3 Z-BUS (1) Z-Bus expansion slot;

Accepts all Z-Bus control cards

15 MEMORY EXPANSION (1) Type II Compact Flash card slot for

memory expansion (up to 4 GB)

16 COMPUTER

(1) DB9 female’

RS-232 computer console port

(Continued on following page)

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Crestron PAC2 Specifications Page 13

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