Cronyx FMUX/S-4E1-E2 Скачать руководство пользователя страница 23 | Manualshive

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FMUX/S-4E1-E2 Multiplexer

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Copyright © 2007 Cronyx

23

When working with the BER tester the following two options should be considered.

1. Link testing via the remote loop. A BER tester is enabled on the local device, and a loop
directed towards the link is enabled on the remote device:

AIS

AIS

AIS

Local multiplexer:

BER tester enabled,

AIS output to all E1 ports

TST indicator on, LERR indicator on

on errors

Remote multiplexer:

loop on the optical link enabled,

AIS output to all E1 ports,

TST indicator flashes regularly,

LERR indicator on

BERT

AIS

AIS

AIS

AIS

AIS

AIS

..

.

..

.

2. BER testers are enabled in both directions. BER testers are enabled on the local and the
remote device (such configuration allows separate measurements of link error rates in
both transmission directions):

Local multiplexer:

BER tester enabled,

AIS output to all E1 ports

TST indicator on, LERR indicator on

on errors

BERT

BERT

AIS

AIS

AIS

AIS

AIS

AIS

..

.

..

.

Remote multiplexer:
BER tester enabled,

AIS output to all E1 ports

TST indicator on, LERR indicator on

on errors

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Содержание FMUX/S-4E1-E2

Страница 1: ...Copyright 2007 Cronyx Multiplexer FMUX S 4E1 E2 4 E1 Channels E2 Link Installation and Operation Manual Document Version 1 0E 14 12 2007...

Страница 2: ...3 Ordering information 7 1 4 Technical specifications 7 E1 interface 7 E2 interface 7 Emergency alarm interface 8 Console port 8 SNMP management port 8 Diagnostic modes 8 Dimensions and weight 9 Elec...

Страница 3: ...n the link 21 Link remote loop 21 3 5 Built in BER tester 22 Section 4 Control via the console port 24 4 1 Upper level menu 24 4 2 Menu structure 26 4 3 Link statistics menu 27 4 4 Port statistics men...

Страница 4: ...and repair operations must not be performed by the operator or the user Cronyx reserves the right to make changes to technical characteristics and design of the device without the prior notification...

Страница 5: ...iplexer allowing to transmit up to four E1 channels over a E2 link Each of the E1 channels is transmitted independently The synchronization frequency of each link is non dependent on the synchronizati...

Страница 6: ...er RS 232 console port remote management over SNMP via a dedicated Ethernet 10Base T port emergency alarms dry relay contacts compact design 1U for rack mounting built in power supply unit for mains o...

Страница 7: ...n The FMUX S 4E1 E2 device may be ordered with two power options as follows 1 FMUX S 4E1 E2 BNC SNMP AC 176 264 VAC 50 Hz 2 FMUX S 4E1 E2 BNC SNMP DC 36 72 VDCx 1 4 Technical specifications E1 interfa...

Страница 8: ...150 to 350 m or 200 to 400 m for the ATT734A cable set from the console Overvoltage protection TVS Overcurrent protection Fuse Emergency alarm interface Connector type DB 9 female Relay contact type...

Страница 9: ...890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567 Copyright 2007 Cronyx 9 Dimensions and weight Design 1U for a 19 rack Size 444 mm x 262 mm x 44 mm Weig...

Страница 10: ...efore switching on there is a ground terminal screw on the front panel provided for this purpose When installing the multiplexer allow for at least 10 cm of free space next to the front panel for inte...

Страница 11: ...ctors as follows E2 link TX and RX the E1 ports the SNMP Ethernet 10Base T port the console the emergency alarm and the power supply Emergency alarm Console E1 ports Power Grounding RX TX SNMP Power s...

Страница 12: ...is a M4 screw on the front panel for device grounding Before switching the device on and before connecting other cables the multiplexer unit must be properly grounded E2 link TX and RX connectors Sta...

Страница 13: ...for connection to the hub Console port connector A DB 9 female connector is used for console connection The console port has a stan dard RS 232 DCE interface and utilizes the following settings async...

Страница 14: ...B 9 female connector is used for emergency alarm connection 3 input contact 4 closed to the middle contact 9 during normal operation open on error 5 open during normal operation closed to the middle c...

Страница 15: ...nce number on the figure correspond to numbers in the table LERR LOS RERR LOW TST PWR 0 1 2 3 SNMP 7 8 10 9 1 2 4 3 CONSOLE ALARM TX RX 5 6 No Indicator State Description 1 LERR Red Errors on the link...

Страница 16: ...ght port is not used flashes loop enabled on the port double flashes tributary loop enabled on the port 5 SNMP EACT Green Ethernet data transmission in progress 6 SNMP ELINK Green Ethernet cable conne...

Страница 17: ...er failure no signal or loss of frame synchronisation on the link for links in the In use state no signal in one of the E1 ports a signal from en external input sensor on the remote device is received...

Страница 18: ...Relay Alarm LOS On Relay Alarm To all ports Loss of input signal from link LOS On Relay Alarm To all ports RERR On High link input signal error rate LERR On Relay Alarm To all ports RERR On E1 port N...

Страница 19: ...pyright 2007 Cronyx 19 3 4 Loops Normal mode Local multiplexer normal operation Remote multiplexer normal operation In the normal mode the indicators must be in the following states Indicator Color No...

Страница 20: ...901212345678901234567890123456789012123456789012345678901234567890121234567890123456789012345678901212345678901234567 Copyright 2007 Cronyx 20 Port loop Local multiplexer loop enabled on port 0 the PO...

Страница 21: ...56789012123456789012345678901234567890121234567890123456789012345678901212345678901234567 Copyright 2007 Cronyx 21 Local loop on the link Local multiplexer local loop enabled TST indicator flashes Rem...

Страница 22: ...length if 223 1 8 388 607 bits The BER tester is controlled from the console see the Test menu section The BER tester calculates the error rate by comparing the data transmitted to link to the data re...

Страница 23: ...he remote device AIS AIS AIS Local multiplexer BER tester enabled AIS output to all E1 ports TST indicator on LERR indicator on on errors Remote multiplexer loop on the optical link enabled AIS output...

Страница 24: ...them in non volatile memory For the console the data rate is equal to 9 600 bits s 8 bits per character no parity 1 stop bit When the terminal is connected the RTS signal for stream control must be p...

Страница 25: ...nk line shows the state of the link OK normal mode frame synchronization present LOS loss of signal in the link LOF loss of frame synchronization AIS theAIS signal is being received dB E2 link receive...

Страница 26: ...ounters 5 Test 6 Configure 0 Reset 7 Login to remote FMUX 1 Link loop Enabled Disabled 2 Remote link loop Enabled Disabled 1 Testing Enabled Disabled 2 Error insertion rate 3 Insert single error 4 Tes...

Страница 27: ...ress Enter or Return Press R to toggle the imposition mode In the imposition mode the screen will not be cleared when information is updated To reset the statistics counters to zero press C The Link s...

Страница 28: ...ession 6 0 days 5 17 01 Mode Normal Sensor Open Link Ok E1 port 0 Receive level 0dB E1 port 1 Receive level 0dB E1 port 2 Receive level 0dB E1 port 3 Unused Errored seconds CV Receive Transmit Status...

Страница 29: ...to the port the all ones code Remote loop remote port loop is enabled Test the BER tester is enabled The lower part of the screen shows E1 port states and statistic counters The displayed information...

Страница 30: ...framing on receive 0 out of sync on monitoring channel 0 loss of framing on monitoring channel 0 payload checksum errors Press any key to continue Link counters E2 link counters out of sync on transm...

Страница 31: ...enu is designed for loop management Loopback Mode Normal Sensor Open Link Ok 1 Link loop Disabled 2 Remote link loop Disabled 3 Ports loop 4 Tributaries loop Command _ The following loops are implemen...

Страница 32: ...1 port 1 loop Disabled 3 E1 port 2 loop Disabled 4 E1 port 3 loop Disabled Command _ E1 port 0 3 loop loop control on E1 ports When a loop is Enabled data received from the port are turned back Tribut...

Страница 33: ...exit The information on the screen is updated once per three seconds To return to the upper level menu you must press Enter or Return Press R to toggle the imposition mode In the imposition mode the s...

Страница 34: ...rn not detected message is output Error rate measurement device modes are not saved in the nonvolatile memory 4 8 Configure menu The Configure menu allows to select multiplexer operating modes Configu...

Страница 35: ...1 E1 port 0 In use 2 E1 port 1 In use 3 E1 port 2 In use 4 E1 port 3 In use Command _ If a port is Unused its LOS and STATE indicators are off and the port state does not affect the alarm signal E2 se...

Страница 36: ...s Enabled 8 Authentication traps Disabled 9 Trap community alert 0 Trap destination IP address 144 206 181 72 Command _ The following parameters should be set for the operation of the SNMP port IP add...

Страница 37: ...e alarm signal generation mode of the remote device to the external input sensor The external sensor has two operating modes Alarm on closed default and Alarm on open In the Alarm on closed mode when...

Страница 38: ...mote menu is given below To disconnect from the remote menu type X Ctrl X Remote login Press X to exit Cronyx FMUX 4E1 SNMP revision D 28 07 2004 Mode Normal Sensor Open Link Ok 1 Link statistics 2 Po...

Страница 39: ...et mask Gateway IP address the IP address of the routing gateway Get community information query access password Get IP address netmask the IP address and length of the subnet mask for the restric tio...

Страница 40: ...e synchronization on the link the LINK DOWN trap switch of the link to the normal mode the LINK UP trap loss of signal at the E1 port the PORT DOWN trap appearance of signal at the E1 port the PORT UP...

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