Keri Systems EP1501 User Manual

Page 9

EP1501

DOC 10107-0036

REV 1.07

Page 9

13. Specifications:

The interface is for use in low voltage, Class 2 circuits only.

The installation of this device must comply with all local fire and electrical codes.

Power Input:

PoE Power Input 12.95 W, compliant to IEEE 802.3af
or
12 Vdc



10 %, 200 mA minimum, 900 mA maximum (local power supply)

Power Output:

12 Vdc @ 650 mA including reader and Auxiliary Power output

Note: For UL, the Power Sourcing Equipment (PSE) such as a PoE enabled network switch and/or PoE
power injectors must be UL Listed under UL294B.

SRAM Backup Battery:

Rechargeable battery

Host Communication:

Ethernet: 10-BaseT/100Base-TX

Inputs:

Two unsupervised/supervised, Programmable End of Line resistors, 1k/1k
ohm, 1 %, ¼ watt standard
One unsupervised input dedicated for cabinet tamper

Outputs:

Two relays: Form-C contacts: 2 A @ 30 Vdc, resistive

Reader Interface:

Power:

12 Vdc



10 %: PoE or local power supply, 180 mA maximum

Data Inputs:

Reader port 1: TTL compatible, F/2F or 2-wire RS-485
Reader port 2: TTL compatible or F/2F

LED Output:

TTL compatible, high > 3 V, low < 0.5 V, 5 mA source/sink maximum

Buzzer Output:

Open collector, 12 Vdc open circuit maximum, 40 mA sink maximum

Cable Requirements:

Power:

1 twisted pair, 18 AWG (when using local 12 Vdc power supply)

Ethernet:

CAT-5, minimum

Alarm Input:

1 twisted pair per input, 30 ohm maximum

Outputs:

As required for the load

Reader data (TTL):

6-conductor, 18 AWG, 500 ft. (152 m) maximum

Reader data (F/2F):

4-conductor, 18 AWG, 500 ft. (152 m) maximum

Reader data (RS-485): 1 twisted pair with drain wire and shield, 24 AWG, 120 ohm impedance,

2000 ft. (610 m) maximum

Environmental:

Temperature:

Storage

-55 to +85 °C

Operating

0 to +70 °C

Humidity:

5 to 95 % RHNC

Mechanical:

Dimension:

5.5 in. (140 mm) W x 2.75 in. (70 mm) L x 0.96 in. (24 mm) H without bracket
5.5 in. (140 mm) W x 3.63 in. (92 mm) L x 1.33 in. (34 mm) H with bracket

Weight:

3.8 oz. (106.4 g) without bracket
4.7 oz. (133.3 g) with bracket