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WC3445
www.metrodata.co.uk
Metrodata WAN-in-a-CAN
WC3445 LAN Extender
Installation Guide
Metrodata Ltd
Fortune House
Crabtree Office Village
Eversley Way
Egham
Surrey TW20 8RY
United Kingdom
tel: +44 (0) 1784 744700
fax:+44 (0) 1784 744730
email: support@metrodata.co.uk
Part No: 76-02-054E
website: www.metrodata.co.uk/support
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Summary of Contents for Metrodata WAN-in-a-CAN WC3445
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Page 1: Installation Guide
WC3445 www.metrodata.co.uk Metrodata WAN-in-a-CAN WC3445 LAN Extender Installation Guide Metrodata Ltd Fortune House Crabtree Office Village Eversley Way Egham Surrey TW20 8RY United Kingdom tel: +44 (0) 1784 744700 fax:+44 (0) 1784 744730 email: support@metrodata.co.uk Part No: 76-02-054E website: www.metrodata.co.uk/support... - Page 2 1 INTRODUCTION 1. 1 About the WC3445 The Metrodata WC3445 is a four port auto sensing 10/100BaseT Ethernet Switch with a bit- switch selectable E3/DS3 Uplink. The product can be used to extend four LAN ports across a WAN link to a remote site. Each LAN port may be connected to a single LAN workstation or to a hub or switch supporting multiple workstations.
- Page 3 INTRODUCTION 1. 2 Performance Switching and filtering is performed at wirespeed: 148810 packets/second. The WC3445 can handle a traffic level of 64120 packets/second over the E3 link and 82236 packets/second over the DS3 link. 1. 3 Safety The WC3445 should not be connected to cabling which would be required by BS6701 to be equipped with over-voltage protection.
- Page 4 WC3445 DESCRIPTION OF PARTS 2 WC3445 DESCRIPTION OF PARTS 2. 1 Rear panel All connections into and out of the WC3445 are made through the rear panel which is shown in schematic form below for both AC and DC powered models. SUBSCRIBER PORT 10/100 BASE T Line Activity...
- Page 5 WC3445 DESCRIPTION OF PARTS 2. 4 Power Supply The WC3445 is powered by a mains supply with an input voltage of 100-250VAC 50-60Hz and with an input current of 60 to 24 mA, depending upon the input voltage. Power consumption is approximately 6 watts. The WC3445 is provided ex-factory with a 250mA internal fuse.
- Page 6 WC3445 DESCRIPTION OF PARTS 2. 5 Unbalanced BNC E3/DS3 Line port The network is connected to the BNC connectors at the rear of the unit as shown below : Function Signal Ring Shield Figure 2.4 BNC connection Cable lengths should be restricted to those defined below: Cable E3 Max Length DS3 Max Length...
- Page 7 WC3445 DESCRIPTION OF PARTS 2. 6 LAN ports The four LAN ports are supported by an array of four RJ45 female connectors mounted on the rear panel of the WC3445. These ports automatically sense the LAN interface and switch between MDI and MDI-X configurations.
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Page 8: Installation And Setup
No mains power present Flashing Green PRBS test in progress Flashing Red Flashing Red PRBS error detected On Green Metrodata Ltd On Red WAN Port LOS TW20 8RY UK Tel +44 (0) 1784 744700 Fax +44 (0) 1784 744730 WC3445... - Page 9 INSTALLATION & SET-UP Note: On older units, bit-switch 7 enabled the transmission of the MAC FCS. This feature has now been removed. 3 . 1. 2 Timing TIMING determines the source for the LINE transmit clock, and is set by bit-switch No1. The options are ON or OFF.
- Page 10 INSTALLATION & SET-UP 3 . 1. 8 MAC FCS On older units, bit-switch 7 enabled the transmission of the MAC FCS. This feature has now been removed and the WC3445 always strips the MAC FCS from the ethernet packet. . 3 .
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Page 11: Optional Rackmounting
INSTALLATION & SET-UP 3. 3 Optional rackmounting Rackmounting kits may be used to mount two WC3445 units side by side in a 19” rack. The first two of these kits have a flat mounting plate with separate cut-outs for power cables and signal cables. - Page 12 INSTALLATION & SET-UP SUBSCRIBER PORT 10/100 BASE T SUBSCRIBER PORT 10/100 BASE T Line Line Activity Activity Tx Rx Tx Rx Green: Link/Act Green: Link/Act Yellow: Speed Yellow: Speed Part No: 80-05-256 WC3445 WC3445 Recessed space to accommodate fibre bends Figure 3.4 2-unit recessed rackmount plan &...
- Page 13 ALARMS, TROUBLESHOOTING & TESTING 4 ALARMS, TROUBLESHOOTING & TESTING 4. 1 Alarms The Status LED on the WC3445 rear panel shows alarm conditions as shown below: Status LED Meaning No mains power present Flashing Green PRBS test in progress Flashing Red PRBS error detected On Green Status OK...
- Page 14 ALARMS, TROUBLESHOOTING & TESTING WC3445 with DS3 interface - Step 3B If the status LED is red, first check that the PORT SELECT bit-switch is set to DS3. If it is set correctly, try swapping the LINE BNC connections at that unit. If the status LED remains red try looping the BNC connections on the unit with a short piece of cable.
- Page 15 86 KPa - 106 KPa Disclaimer Metrodata Ltd makes no representations or warranties with respect to the contents hereof and specifically dis- claims any implied warranties or merchantability or fitness for any particular purpose. Further, Metrodata Ltd reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Metrodata Ltd to notify any person of such revision or changes.
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