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WC3445 SPECIFICATIONS

 14

5   WC3445 SPECIFICATIONS

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.

Trademarks

The Trademarks of other Corporations which may be used in this manual are hereby acknowledged.

Copyright © 2006 by Metrodata Ltd, All Rights Reserved

E3 LINE

Definition

E3 LINE Interface

G.703 compliant, Sensitivity -10dB. Line coding HDB3. 

Interface: 

75 ohm unbalanced coax (BNC) Interface selected by bit-switch 

DS3 LINE Interface

G.703 compliant, Sensitivity -10dB. Line coding B3ZS. 

Interface: 

75 ohm unbalanced coax (BNC) Interface selected by bit-switch 

Jitter Tolerance

Per G.823.

Barrier

EN 41003 compliant barrier provided on the E3/DS3 interfaces

Framing

Unframed

Encapsulation

HDLC

Clocking options

E3/DS3 LINE port: Internal or Loop

Line Rate

E3: 34.368 Mbps                     DS3: 44.736Mbps

Maximum packet rate

E3: 64120 pps (packet per sec)                       DS3: 82236 pps (packet per sec)                                             

LED Indicators

Tx/Rx Packet, Alarm

Alarms

E3/DS3 LOS

Diagnostics

External Loop Test initiated by bit-switch

Subscriber (LAN) Ports

Definition

LAN Interface

4 x RJ45, Auto switched MDI or MDI-X, or fixed MDI selected by bit-switch

Operating mode

Auto negotiated 10/100 Mbps, Full / Half Duplex, or 100M FD Fixed

Port filtering rate

148810 pps (packet per sec)

Port switching rate

148810 pps (packet per sec)

Switch mode

Any to Any

MAC address table

4096 entries

Min/Max Packet size

64 bytes / 1522 bytes

General

Definition

Power supply

100-250 VAC, 50-60 Hz, 50 mA  or  minus (36-72) VDC, 200-100mA

Dimensions

202 x 132 x 44 mm (w x d x h) Enclosure only      

202 x 132 x 47 mm (w x d x h) Overall including feet

Environmental

Range

Ambient Temperature

0degC to +50degC

Storage Temperature

-20degC to +70degC

Relative Humidity

0% - 95% non condensing

Barometric Pressure

86 KPa - 106 KPa

Summary of Contents for WAN-in-a-CAN WC3445

Page 1: ...y 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 Metrodata WAN in a CAN WC3445...

Page 2: ...end upon the user s network design and workload characteristics The WC3445 Ethernet Switch can switch between local LANs connected to its four ports and the unit may thus reduce the need for local LAN...

Page 3: ...terminated to the screened connector shell and not connected to any pins of the connector Failure to use the correct connector may compromise EMC compliance 1 5 EN55022 Declaration The WC3445 is a Cl...

Page 4: ...igure 2 2 Rear panel status LED 2 3 Status display LAN ports Each LAN port RJ45 connector on the rear panel has two miniature LEDs mounted on it The left hand green LED shows link activity and the rig...

Page 5: ...200 100mA A Buccaneer type socket is fitted to the rear panel and a plug is provided with the unit for the customer s own wiring The connections are labelled on the rear panel of the WC3445 On some u...

Page 6: ...gure 2 5 Cable lengths Note The total maximum attenuation of each of the cables attached to the network port must not exceed 6dB when measured at 17 184 MHz E3 or 22 368 MHz DS3 The frequency attenuat...

Page 7: ...plex mode There is a miniature LED on the lower right corner of each RJ45 socket on the rear panel which is illuminated yellow when operation is at 100 Mbps The miniature LED on the lower left corner...

Page 8: ...PRBS test Normal Enabled 7 LAN Mode 100M FD Auto negotiate 8 Auto MDI MDI X Disabled Enabled WC3445 LAN TO E3 DS3 CONVERTER AC Metrodata Ltd TW20 8RY UK Tel 44 0 1784 744700 Fax 44 0 1784 744730 Part...

Page 9: ...ribed in the next section The switch is set to ON for normal operation NONE of the unit without any loopbacks With the switch set to OFF Loopback is applied so that Transmitted data Received data on t...

Page 10: ...Safety Notice Ports that are identified as SELV in this manual should only be connected to SELV ports on other equipment in accordance with EN 60950 clause 2 3 Step 1 Mounting The WC3445 is housed in...

Page 11: ...n the two WC3445 units to the rackmount adaptor plate using the screws that you have removed as shown in the illustrations below Then secure the rack mounting plate complete with the two WC3445 units...

Page 12: ...plan elevation Recessed space to accommodate fibre bends WC3445 WC3445 Part No 80 05 256 SUBSCRIBER PORT 10 100 BASE T Green Link Act Yellow Speed Tx Rx Line Activity 1 2 3 4 SUBSCRIBER PORT 10 100 BA...

Page 13: ...nvestigatory action should be taken on the LAN and or its cables Step 3 Establish and verify the WAN links If there is LAN activity then check for WAN activity by observing the green Tx and Rx LED s o...

Page 14: ...esents a fixed MDI X interface to the LAN Note that for 100M full duplex operation between the WC3445 and a fixed i e non negotiating LAN port bit switch 7 must be set to 100M FD If this is not done t...

Page 15: ...lerance Per G 823 Barrier EN 41003 compliant barrier provided on the E3 DS3 interfaces Framing Unframed Encapsulation HDLC Clocking options E3 DS3 LINE port Internal or Loop Line Rate E3 34 368 Mbps D...

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