Enclosure Material：18g steel, with lock and tamper
Expansion：Includes mounting standoffs for two point expansion modules (I8, I8-CSI, R8 or RM-4)
Environmental： 0° to 50° C (32° to 122° F)5 to 95% relative humidity, non-condensing
Weight with Enclosure ：4.2 kg (9.3 lbs)
Electrical
Power Requirements：12 VDC (-15/+20%) or 24 VDC (-15/+25%), auto-sensing Board only: 200 mA@12 VDC or 100mA@24VDC; Max. of 3.8 A@12 VDC or3.1A@24 VDC for board plus all attached devices.
Optional PoE Plus Module
Standards Supported：PoE (802.3af), 12.95 W min; PoE Plus (802.3at), 25.5 W min Power negotiation uses two-state physical discovery (LLDP-MED not supported)
PoE Standard Selection：Jumper-selectable
Lock Power Voltage：Jumper-selectable between 12 and 24 VDC; applies to all four outputs Power Available for
Attached Devices2：PoE: 600 mA@12 V or 300 mA@24 V PoE Plus: 1400 mA@12 V or 700 mA@24 V
Heat Dissipation：90 BTU/HR typical
Memory and RTC Backup：Four standard AA alkaline batteries provide automatic database backup to flash memory
Battery Life：Five years (estimated – without power interruptions)
System Memory
Memory：64 MB RAM, 128 MB flash EEPROM
Cardholder capacity
One clearance, one card/person, ten-digit cards ：400,000
Ten clearances, one card/person, ten-digit cards：230,000
One clearance, five cards/person, ten-digit cards：130,000
Ten clearances, five cards/person, 40-digit cards ：85,000 Note – Memory allocation is dynamic and shared between cardholders, event storage, and configuration information.
Network Communications
Ethernet Ports：One, 10/100Base-T
Network Encryption：AES 256-bit, FIPS 197
Readers
Number of Readers Supported ： One, two, or four Types of Readers Supported . Wiegand and RM (RM only for readers 3 and 4) Reader Technologies
Supported：Multi-Technology, Proximity, Smart Card (incl. PIV II & TWIC), Wiegand and Magnetic Stripe (RM only)
Maximum Distance to Door：RM: 1,219 m (4,000 ft); Wiegand: 150 m (500 ft)
Reader Power Available：12 VDC, 1.5 A total (including aux power and RM port power)
RM Bus Communications ：Three ports, RS-485 half duplex, two wire, plus optional two wires for device power (One-reader model does not have RS-485 ports)
Inputs
Supervised Inputs：Eight, single or double-resistor (One-reader model would have four)
Fire Alarm Interlock Inputs：Two, fire alarm input and manual keyswitch override (supervision supported)
Additional Inputs：Tamper switch, power fail, and low battery
Input Expansion：Up to 32 additional inputs using I8 input modules on RM bus (64 additional with 4-reader model)
Auxiliary Power Available ：12 VDC; two (350mA each) (One-reader model has one port)
Outputs
Outputs ：Four, individually configurable via jumper as power sourcing (wet), or dry contact relay (one-reader model has two)
Output Power, Wet：12V or 24 VDC, 0.75A (If iSTAR Edge powered locally, output voltage follows input voltage. If using PoE/PoE Plus, jumper-selectable between 12 and 24 VDC) Output Protection,
Per Output：PTC resettable fuse, 0.75 A, snubber, transzorb
Output Rating, Dry：30V AC/DC, 3 A
Output Expansion：Up to 32 additional Form C relay outputs using R8 output modules on RM bus (up to 64 additional with 4-reader model)
