Phihong USA Corporation • 47800 Fremont Blvd. Fremont, CA 94538 • Tel: 1.510.445.0100 Fax: 1.510.445.1678

www.phihong.com or www.midspans.com

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Contents

Overview ............................................................................................................................................... 5

1. Safety Procedures ............................................................................................................................ 6

1.1. General Precautions ................................................................................................................. 6

2. Midspan Hardware Setup ................................................................................................................. 8

2.1. Physical Hardware Appearance ................................................................................................ 8

2.2. Connecting Ethernet Cables ................................................................................................... 11

2.3. Midspan Accessories .............................................................................................................. 14

2.4. Powering Up Midspan ............................................................................................................ 15

2.5. LED Indicators ........................................................................................................................ 16

2.6. Technical Specifications ......................................................................................................... 17

3. Midspan Monitoring and Control --- HTTP Protocol ...................................................................... 18

3.1. Port Control Webpage ............................................................................................................ 18

3.2. Administrative Management Webpage ................................................................................... 21

3.3. Network Settings Webpage .................................................................................................... 21

3.4. SNMP Community String Webpage ...................................................................................... 23

3.5. System Tools Webpage .......................................................................................................... 24

4. Midspan Monitoring and Control with MIB Browser --- SNMP Protocol ....................................... 26

4.1. Structure of Management Information (SMI) of Phihong Midspan ......................................... 26

4.2. Phihong Midspan MIB ............................................................................................................ 28

4.3. Notes for Using Phihong Midspan MIB .................................................................................. 32

4.4. Using MG-SOFT MIB Browser to run Phihong Midspan ........................................................ 33

5. Field Firmware Updating ................................................................................................................ 39

5.1. Updating Microprocessor Flash Contents with POEA-x.x.bin ................................................ 39

5.2. Updating EEPROM Contents with POEB-x.x.bin ................................................................... 42

6. Troubleshooting .............................................................................................................................. 44

7. Frequently Asked Questions ......................................................................................................... 45