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Industrial Modbus
Ethernet to Serial Gateways
MESR900 Series - Fiber Models
ENVIRONMENTAL
Operating Temperature -40 to 80°C (-40 to 176°F)
Operating Humidity 0 to 95% Non-condensing
MTBF MESR90X ~ 132309 hours
MTBF MESR92X ~ 102593 hours
MTBF Calc Method Parts Count Reliability Prediction
NETWORK
Serial Memory 8 KB per port
Network Memory 4 KB
IP Port Addresses
5300 – Heartbeat and configuration
Setting in TCP Mode (paired mode)
8899 – MESR 9xx Update
LAN 10/100 Mbps Auto-detecting
Ethernet IEEE 802.3 auto detecting & auto MDI/MDX 10/100
PROTOCOLS
TCP, IPv4, ARP, HTTP 1.0, ICMP/PING, DHCP/BOOTP
IP Mode Static, DHCP
TCP User definable
OTHER
Mode
Modbus RTU Master / Slave
Modbus ASCII Master / Slave
Search
Serial direct COM and Ethernet
Auto search or specific IP
Diagnostics Display PC IP, ping, save test config. (text readable)
Firmware Upgrade Vlinx Manager
ETHERNET PASS-THROUGH PORT (MESR92X)
Standards IEEE 802.3, 802.3u, 802.3x
Processing Type
Store and Forward with 802.3x full duplex, non blocking
flow control
Flow Control IEEE 802.3x flow control, back pressure flow control
MAC Address Table 2K
CONFIGURATION SOFTWARE
Vlinx Manager
Windows 2000, XP (32/64 bit), 2003 Server (32/64 bit),
Vista (32/64 bit), 2008 Server (32/64 bit), Win 7
(32/64 bit)
REGULATORY
Compliance FCC, CE, NEMA TS2
UL Listed, File E222870
UL Class 1 Division 2 Groups A, B, C, D (HAZLOC),
File E245458
SPECIFICATIONS
SERIAL TECHNOLOGY
RS-232 TD, RD, RTS, CTS, DTR, DSR, DTD, GND
RS-485 2-Wire Data A(-), Data B(+), GND
RS-422/485 4-Wire TDA(-), TDB(+), RDA(-), RDB(+), GND
Serial Connector DB9M or Removable Terminal Blocks, 12 to 28 AWG
Data Rate Up to 230.4 Kbps
FIBER OPTIC TECHNOLOGY
MESR9xx-Mx MESR9xx-Sx
Type / Wavelength Multi-mode / 1310 nm Single-mode / 1310 nm
Output Power (-) 19 to (-) 14 dBm (-) 15 to (-) 8 dBm
Receive Sensitivity ~ (-) 32 dBm ~ (-) 32 dBm
Cable 62.5 / 125 µm 9 / 125 µm
Connector SC or ST SC or ST
Range 2 km (1.2 miles) 15 km (9.3 miles)
POWER
Source External
Input Voltage 10 to 48 VDC (58 VDC Maximum)
Connector Removable Terminal Block (12 – 28 AWG)
POWER
CONSUMPTION
MESR90x 4.0 Watts
MESR92x 6.0 Watts
MECHANICAL
LED Indicators Serial Port, Ethernet Link, Ready
Switches Reset Button
Dimensions MESR92x: 14.86 x 10.11 x 2.96 cm (5.85 x 3.98 x 1.16 in)
Enclosure 35mm DIN mount, Plastic, IP 30
Weight MESR92x: 0.45 lbs (201.4 g)
eDrawing Available on website
