EIR203 Series Quick Start
Guide
Package Contents
• EIR203 Series Industrial, Unmanaged, Ethernet Switch
• Quick Start Guide (One per shipment)
• Power Terminal Block (installed)
• Fiber Optic Dust Covers (installed on fiber optic models)
If any item is missing or damaged, contact B&B Electronics
for a replacement
EIR203 (3 Fiber)
1 Power Terminal Block 2 Position, Removable
2 PWR LED ON When Power Applied
3 Fiber Optic SPD LED Normally OFF (100BaseFx)
3 Fiber Optic LINK LED ON When Fiber Port Linked
4 Fiber Ports Number and type depends on Model
5 RJ45 Ports Number depends on model
6 RJ45 LINK LED On when RJ45 Port Linked
Flashes When Data Transmitted
6 RJ45 SPD LED On if 100 mbps
Front Panel
EIR203 (1 Fiber, 2 RJ-45)
DIN Rail Mounting
B&B ELECTRONICS QUICK START GUIDE
© 2008 by B&B Electronics. All rights reserved.
1. Slide and hold the DIN clip toward the bottom of the
switch. Angle the top portion of the DIN mount over the
top of DIN Rail.
2. Move the switch so that it is parallel with the DIN Rail.
3. Let go of the DIN Clip. The spring should return it to its
original position.
EIR203 1308qsg-1/2
Attach Power Leads
External Supply Required
Warning: Work Safe – Equipment
damage or electrical shock hazard
exists. DO NOT ATTACH OR REMOVE
LEADS WITH THE POWER SUPPLY
ENERGIZED!
1. Loosen the screw to open the terminal block lead clamp.
2. Insert the power lead. TB will accept 12-28 AWG wire.
3. Tighten the screw to close the terminal block lead clamp.
Ensure the clamp holds the lead securely. However, do not
over tighten.
NOTE: For replacement Terminal Block order Part # 7444.
Attach RJ45 Cable
If equipped)
MDI Cable Pinout
Pin Signal
1 Tx+
2 Tx-
Female RJ45
1. Auto MDI/MDI-x is
supported. A straight
through or cross-over
cable may be used.
2. 10/100BaseT auto
negotiation and full/halfduplex are supported.
3 Rx+
6 Rx-
MDI-X Cable Pinout
Pin Signal
1 Rx+
2 Rx3 Tx+
6 Tx-
815-433-5100 Fax 433-5104 www.bb-elec.com orders@bb-elec.com support@bb-elec.com
International Headquarters: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA
European Headquarters: Westlink Commercial Park Oranmore Co. Galway Ireland
+353 91 792444 Fax +353 91 792445
www.bb-europe.com orders@bb-europe.com support@bb-europe.com
Attach Fiber Optic Cable
if equipped)
Warning: Work Safe – Fiber Optic
equipped models are Class I
Laser/LED devices. To avoid causing
serious damage to your eyes, DO NOT
STARE DIRECTLY INTO THE LIGHT.
1. Slider Guide
2. Slider Ridges
3. Slide
1. Ensure your fiber optic cable is terminated with
the correct connector type. EIR203 switches use
SC or ST connectors.
2. Fiber optic type for each port is located on the
product’s side label. When connecting the cable
to the switch, be sure to line up the slider guide
on the cable and switch connectors.
3. Connect the fiber optic transmitter to the
downstream device’s receiver and vice-versa.
Mode and Distance Type Wavelength
Multi-mode (2 km) 62.5/125 µm 1310 nm
Single-mode (15 km) 9/125 µm 1310 nm
Single-mode (40 km) 9/125 µm 1310 nm
Single-mode (80 km) 9/125 µm 1550 nm
Output Power RCVR Sensitivity
Multi-mode (2 km) -19 to -14 dBm ≤ -32 dBm
Single-mode (15 km) -15 to -8 dBm ≤ -32 dBm
Single-mode (40 km) -5 to 0 dBm ≤ -34 dBm
Single-mode (80 km) -5 to 0 dBm ≤ -34 dBm
Fiber Optic Cable Information
Installation Complete
© 2008 by B&B Electronics. All rights reserved.
EIR203 1308qsg-2/2
Mechanical Diagram
B&B ELECTRONICS QUICK START GUIDE
1. When the network cables are attached and power
is applied, installation is complete.
2. The switch will automatically discover network
devices, populate its MAC address table, and
pass traffic to the appropriate ports.
International Headquarters: 707 Dayton Road PO Box 1040 Ottawa, IL 61350 USA
815-433-5100 Fax 433-5104 www.bb-elec.com orders@bb-elec.com support@bb-elec.com
European Headquarters: Westlink Commercial Park Oranmore Co. Galway Ireland
+353 91 792444 Fax +353 91 792445
www.bb-europe.com orders@bb-europe.com support@bb-europe.com