Related Manuals for Black Box Abeo G.703 LAN
Summary of Contents for Black Box Abeo G.703 LAN
- Page 1 A A b b e e o o G G . . 7 7 0 0 3 3 L L A A N N E E x x t t e e n n d d e e r r s s Manual and Installation guide MXU9020...
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Page 2: Table Of Contents
Abeo LAN over X.21/V.35 Extenders Chapter 1 Introduction About the unit Performance Safety Electromagnetic Compatibility EN55022 Declaration FCC Declaration Chapter 2 Description of parts Rear Panels Status Display - Rear Panel Status Display - LAN ports Power Supply Unbalanced BNC E1 Line Port Balanced RJ-45 E1 Line Port 2.6.1 Connecting to a terminal device 2.6.2 Connecting to a network device... - Page 3 Abeo LAN over G.703 Extender 1.1 About the MXU9020 The Black Box MXU9020 is a four port auto-sensing 10/100BASE-T Ethernet Switch with an E1 Uplink. The product can be used to extend four LAN ports across a WAN link to a remote site.
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Page 4: Performance
Abeo LAN over G.703 Extender 1.2 Performance Switching and filtering is performed at wirespeed: 148810 packets/second The MXU9020 can handle a traffic level of 4064 packets/second over the E1 link. 1.3 Safety The MXU9020 should not be connected to cabling which would be required by BS6701 to be equipped with over-voltage protection. -
Page 5: Rear Panels
2.1 Rear Panel All connections into and out of the MXU9020 are made through the rear panel which is shown in schematic form below for both AC and DC powered models. Black Box MXU9020 Black Box MXU9020-DC 2.2 Status Display rear panel There is a status LED on the right hand side of the rear panel which indicates the status of the unit as shown in the figure below. -
Page 6: Power Supply
Abeo LAN over G.703 Extender 2.4 Power Supply The MXU9020 is powered by a mains supply with an input voltage of 100-250VAC, 50-60Hz with an input current of 60 to 24mA, and an input consumption of 6 watts approximately. The MXU9020 is provided ex-factory with a 250mA internal fuse. Mains power is connected via the IEC inlet on the rear of the unit. -
Page 7: Balanced Rj-45 E1 Line Port
Abeo LAN over G.703 Extender 2.6 Balanced RJ 45 E1 Line Port The layout of the female RJ-45 line or network port mounted on the rear panel is shown below. Function Tx tip Tx ring Tx shield Rx tip Rx ring Rx shield Not connected Not connected... -
Page 8: Connecting To A Network Device
Abeo LAN over G.703 Extender 2.6.2 Connecting to a network device. A connection from the network port to a network device such as an E1 line or an NTU requires a crossover cable. Connections are defined in the table below. DSU port Network Network... -
Page 9: Cable Lengths And Types
Abeo LAN over G.703 Extender 2.6.4 Cable lengths and types Cable lengths should be restricted to those defined below: Max Length (Metres) Belden 8132 (28 AWG) Belden 9841 (24 AWG) Note: The totoal maximum attenuation of the cable attached to the network port must not exceed 6dB when measured at 1.024 MHz. -
Page 10: Lan Ports
Abeo LAN over G.703 Extender 2.7 LAN Ports The four LAN ports are supported by an array of four RJ-45 female connectors mounted on the rear panel of the MXU9020. These ports automatically sense the LAN interface and switch between MDI and MDI-X configurations. -
Page 11: Setting-Up The Bit Switches
There is an explanatory label on the unit’s base which defines the bit-switch set-up options and alarms. MXU9020 www.blackbox.co.uk White ® with BLACK BOX 5th black diamond 3.1.1 Bit switch definitions The default settings of the bit-switch are shown in bold. Bit-switch Control... -
Page 12: Timing
Abeo LAN over G.703 Extender 3.1.2 Timing TIMING determines the source for the LINE E1 transmit clock, and is set by bit-switch no1. The options are ON or OFF. With the switch set to ON, the E1 transmit clock is derived from the MXU9020’s own internal oscillator. - Page 13 Abeo LAN over G.703 Extender 3.1.8 MAC FCS On older units, bit-switch 7 to enabled the transmission of the MAC FCS. This function has now been disabled and the MXU9020 always strips the MAC FCS from the Ethernet packet. 3.2 Connecting up 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.
- Page 14 Abeo LAN over G.703 Extender Black Box MXU9020 Black Box MXU9020 Black Box MXU9020 Black Box MXU9020 Black Box MXU9020 Black Box MXU9020 MXU9020 MXU9020...
- Page 15 Abeo LAN over G.703 Extender 4.1 Alarms The Status LED on the MXU9020 rear panel shows alarm conditions as shown in the table: Status LED Meaning No mains power present On Green Status OK On Red E1 WAN port LOS 4.2 Troubleshooting Step 1: Verifty the power supply Check the status LED on the right hand side of the rear panel of the unit at both ends of the...
- Page 16 Abeo LAN over G.703 Extender Other steps It may be useful to set the AUTO MDI/MDI-X bit switch to DISABLED, in which case the port presents a fixed MDI-X interface to the LAN. Note that for 100M full duplex operation between the MXU9020 and a fixed (i.e. non- negotiating) LAN port, Bit-switch 7 must be set to 100M FD.
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Page 17: Chapter 5 Specifications
86 KPa - 106 KPa Disclaimer Black Box Network Services (UK) Ltd reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of BBNS (UK) Ltd to notify any person of such revision or changes.