User`s manual
EM1500 User’s Manual www.rabbit.com 79
A.2 Specification Table
Table A.1 lists the electrical, mechanical, and environmental specifications for theEM1500.
Table A.1 EM1500 Specifications
Parameter Specification
Microprocessor Low-EMI Rabbit 3000 at 44.2 MHz
Ethernet Port 10/100Base-T
Backup Battery 3 V lithium coin-type, 950 mA·h, supports RTC and SRAM
LEDS
4 total: PWR (red), ACT (yellow), LINK (green), USER (red
and green)
Digital Inputs 3, protected to ±36 V DC, can handle short spikes ±40.
Digital Outputs
2, sink up to 750 mA each, -0.5 to V
in
+ 0.5 V DC max.
1
1. Diode clamp to V
in
and GND
Relay Output SPDT, 1 A @ 30 V DC, 0.3 A @ 120 V AC
Serial Ports
1 DTE RS-232
1 DCE RS-232
1 RS-485 half duplex
1 configurable serial port (3-, 5-, and 9-wire option)
1 3-wire RS-232
Serial Rate
75 - 230400 bps. 7/8 data bits, N/O/E/M/S parity, 1 stop, max
throughput: 600,000 bps net.
Serial Buffer Capacity 1020 bytes per port.
Flow Control (RS-232)
None, XON/XOFF, RTS/CTS, DTR/DSR, DCD
set independently for each direction (Tx, Rx)
Protocols TCP/IP, telnet, RFC2217, DHCP, ARP, ICMP, DNS
Power 9 V to 36 V DC, 1.5 W typical
Operating Temperature –40°C to +70°C
Humidity 5% to 95%, noncondensing
Connectors
2 DE9 (1 male, 1 female)
one 1 × 9 IDC header with 0.1" pitch
one 1 × 3 IDC header with 0.1" pitch
one 2 × 5 IDC header with 0.1" pitch
RJ-45
RJ-11
1 screw terminal
Size of Enclosure
3.558" × 4.180" × 1.718"
(90 mm × 106 mm × 44 mm)