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3300 ICP Hardware User Guide
66 Release 3.3
3300 ASU and Universal ASU Power
3300 ASU and Universal ASU Pin Allocations
Power Supply Input Specifications
Note: Connector is a Standard Male IEC320 AC input.
Voltage Universal input design, operating input voltages from 90VAC to 264VAC.
It regulates a +5, -48V, -30V, -5V, 70VAC ringing signal, and the –115VAC
Message Waiting Signal.
Current < 1.0A RMS at 90VAC and full rated load.
Frequency AC input frequencies from 47Hz to 63Hz.
Holdover With an input voltage of 120VAC or 240VAC under a full rated load, the
power supply outputs remain in regulation for a minimum of 16ms after loss
of AC mains input voltage.
Brown-Out Recovery Recovers from an AC input brown-out or sag condition automatically.
CIM Connector Pin Allocations
Pin Signal Pin Signal
1 RX+ 5 Not Used
2 RX- 6 TX-
3 TX+ 7 Not Used
4 Not Used 8 Not Used
Note: The 3300 Universal ASU connects to the 3300 Controller over a Category 5 Universal Twisted
Pair (UTP) cross-over cable through a CIM interface. The Category 5 cable is of the same type used
for Ethernet connections and within the cable twisted pairs are arranged as: 1,2: 3,6; 4,5; 7,8. Each
tied pair is connected to a 75 ohm resistor. The 3300 Universal ASU can be located up to 30 meters
(98.4 feet) away from the 3300 Controller. The interface employs a single standard 8-pin modular jack
consisting of 2 balanced signal pairs and is located on the front of the unit.
25 pair Connector Pin Allocations
Pin Signal Pin Signal
Note: Connection of the Tip and Ring (A and B) leads of the ONS lines and LS trunk circuits are
through a 25 pair female D-type connector.
1 ONS Tip 1 26 ONS Ring 1
2 ONS Tip 2 27 ONS Ring 2
3 ONS Tip 3 28 ONS Ring 3
4 ONS Tip 4 29 ONS Ring 4
5 ONS Tip 5 30 ONS Ring 5
6 ONS Tip 6 31 ONS Ring 6
7 ONS Tip 7 32 ONS Ring 7
8 ONS Tip 8 33 ONS Ring 8
9 ONS Tip 9 34 ONS Ring 9
10 ONS Tip 10 35 ONS Ring 10
11 ONS Tip 11 36 ONS Ring 11
12 ONS Tip 12 37 ONS Ring 12
13 ONS Tip 13 38 ONS Ring 13