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Cirius LM User Manual 2016

Page 76

8. Cirius x4 and x16 Detailed Specifications

Full specifications for the platform are detailed below. All parameters apply to both
the x4 and the x16 unless otherwise stated.

GENERAL

Configuration

1U high, 19” rack mounted IDU, designed for weather
protected indoor use

Dimensions

4.2 x 43.6 x 27.5 cm (1.65 x 17.2 x 10.8 in)

Weight

3.25 kg (7 lb 2 oz)

Operating
Temperature

-5 to +45 deg C (23 to 113 deg F)

Humidity

0 to 95% non-condensing

MTBF

> 500,000 hours per Telcordia SR-332

Compliance

IDU designed to meet the following specifications:

•

ETSI: EN 312 207-2-2

•

FCC: 47 CFR part 101

MODEM

Configuration

Programmable FPGA-based modem, upgradable via
firmware release

Programmable
Modulation Modes

QPSK, 8PSK, 16QAM, 32QAM, 64QAM, 128QAM,
256QAM

Programmable
Channel
Bandwidths

Customizable at any arbitrary channel size up to 30 MHz,
including the following standards:

•

CEPT/ETSI: 3.5, 7, 14 and 28 MHz

•

ANSI/FCC: 2.5, 5, 10, 20 and 30 MHz

Programmable
Symbol Rates

Up to 25 Mbaud

Programmable
Data Rates

Up to 170 Mbps

Programmable
Forward Error
Correction

Customizable Reed-Solomon coding from RS(100,16,8) to
RS(255,24,12)
Customizable interleaving frame length from 1 to 12
codewords

End-to-End
Latency

= 1 ms, depending on modulation, FEC and interleaver
configuration. E.g. 100 us end-to-end latency for 128 QAM
modulation, 28 MHz channel and 4 code word interleaving

Link Quality
Metrics

ITU-T G.826 link statistics

Содержание SM Cirius LM

Страница 1: ...Cirius LM User Manual 2016 Page 1 SM Cirius LM Digital Microwave Radio Indoor Unit IDU Outdoor Unit ODU Hybrid IP TDM Ethernet 16 T1 User s Manual ...

Страница 2: ...et Management Ports 15 1 3 2 3 Ethernet Port Front Panel LEDS 15 1 3 3 Overhead Alarm Interface 16 1 3 3 1 Auxiliary Serial Channel 16 1 3 3 2 Form C Relay Outputs0 17 1 3 3 3 Bi Level Alarm Inputs 17 1 3 3 4 Bi Level Alarm Outputs 17 1 3 4 Serial Console Interface 17 1 3 5 Front Panel IDU Status LEDs 18 1 3 6 Front Panel ODU Status LEDs 18 1 3 7 DC Power 19 1 3 8 ODU Interfaces 19 2 TERMINAL MANA...

Страница 3: ...or Management Computer Network Configurations 53 3 3 Firmware Update 56 3 3 1 Step 1 Setting Up Solarwinds TFTP Server 56 3 3 2 Step 2 Establish Ethernet Connection to IDU 59 3 3 3 Step 3 Execute Upgrade 59 4 ETHERNET FEATURES OVERVIEW 63 4 1 VLAN based Security Features 63 4 2 Port Based QoS Priority Features 64 4 3 Port Based Rate Limiting 65 4 4 Ethernet Flow Control 66 5 LINK AGGREGATION SUPPO...

Страница 4: ...net ports and an RS 232 serial console port On board Ethernet Switch together with dual dedicated management Ethernet ports supports daisy chaining of Ethernet Management Supported remote management software protocols include a web HTTP GUI interface telnet and SNMP Overhead admin serial channel interface transported as side channel over the link Two FormC general purpose relays Two Alarm Bi level...

Страница 5: ... discussion 5 Serial Console Interface RS 232 interface supports text menu command line interface Used for development and advanced diagnostics only Recommend using HTML GUI interface via management Ethernet ports for management interface 6 Modem port Not used 7 Overhead Alarm Interface Overhead and alarm signal interface See Section 1 2 3 for discussion 8 Ethernet ports 9 E1 T1 ports 10 Cross con...

Страница 6: ...led discussion 5 Serial Console Interface RS 232 interface supports text menu command line interface Used for development and advanced diagnostics only Recommend using HTML GUI interface via management Ethernet ports for management interface 6 Overhead Alarm Interface Overhead and alarm signal interface See Section 1 2 3 for discussion 7 Ethernet ports 8 E1 T1 ports Not shown Ground stud on back p...

Страница 7: ...our T1 channels or zero to four E1 channels with the remainder of the capacity allocated to Ethernet transport Lines are matched to 100 ohm in T1 mode and 120 ohm in E1 mode RX refers to input into IDU T1 E1 port TX refers to output from the IDU 75 ohm E1 configurations are also available Contact factory for details Pin Signal Name 1 RX Ring 2 RX Tip 3 Shield Return Gnd 4 TX Ring 5 TX Tip 6 Shield...

Страница 8: ...he two Ethernet management ports Management port 0 and 2 provide 10 100BaseT interfaces to the IDU with standard RJ 45 pinouts These ports allow management access to the IDU s internal CPU An internal Ethernet switch also provides layer 2 switching functions between these two ports and the far side terminal The Ethernet PHYs provide MDI MDIX cross connect with auto detect so both straight thru and...

Страница 9: ... signals associated with auxiliary serial channel relays and alarms are provided over a DB 26 interface with connector pinouts and signal assignments as defined in Figure 6 and Table 3 below Figure 6 Pinout for High density DB 26 Connector as seen looking at front panel ...

Страница 10: ...7 Relay 1 NO Relay 1 NO pin 18 Relay 2 NC Relay 2 NC pin 19 Chassis Ground Ground 20 Unused 21 Unused 22 Unused 23 Chassis Ground Ground 24 Aux Alarm Input 1 Bi level alarm input 1 TTL 25 Relay 2 NO Relay 2 NO pin 26 Relay 1 COM Relay 1 COM pin Table 3 Overhead Alarm Interface Connector Pinout 1 2 3 1 Auxiliary Serial Channel The Overhead Alarm interface includes an auxiliary serial channel This s...

Страница 11: ... Relay States 1 2 3 3 Bi Level Alarm Inputs The Overhead Alarm interface includes two TTL bi level alarm inputs Contact factory to request specific implementations 1 2 4 Serial Console Interface The CLI interface presents a standard three wire RS 232 DCE interface on a female DB 9 connector with connector pinouts and signal assignments as defined in Figure 7 and Table 5 below The serial console in...

Страница 12: ...in Section 1 2 3 1 2 6 DC Power DC Power is provided to the terminal IDU and ODU via a three terminal connector The IDU accommodates 21 to 60 VDC Positive polarity versions are available Contact factory for more information For proper operation connect DC power interface to external power supply as follows Connect negative terminal of external supply to V terminal Connect positive terminal of exte...

Страница 13: ...er 21 to 60V Transmit modulated IF signal to ODU at center frequency 350 MHz and output power 2 dBm to 3 dBm Receive modulated IF signal from ODU at center frequency 140 MHz with input IF power between 7 dBm and 25 dBm OOK ODU command signal at 5 5 MHz center frequency OOK ODU telemetry signal at 10 MHz center frequency ...

Страница 14: ... dBm Receive modulated IF signal from ODU at center frequency 140 MHz with input IF power between 7 dBm and 25 dBm OOK ODU command signal at 5 5 MHz center frequency OOK ODU telemetry signal at 10 MHz center frequency Figure 8 Pin Definition for 8 pin Modular Jack as seen looking into the port Pin Signal Name 1 RX Ring 2 RX Tip 3 Shield Return Gnd 4 TX Ring 5 TX Tip 6 Shield Return Gnd 7 NC 8 NC T...

Страница 15: ...he two Ethernet management ports Management port 0 and 2 provide 10 100BaseT interfaces to the IDU with standard RJ 45 pinouts These ports allow management access to the IDU s internal CPU An internal Ethernet switch also provides layer 2 switching functions between these two ports and the far side terminal The Ethernet PHYs provide MDI MDIX cross connect with auto detect so both straight thru and...

Страница 16: ... Ground Ground 6 Relay 1 NO Relay 1 NO pin 7 Relay 1 NC Relay 1 NC pin 8 Relay 2 COM Relay 2 COM pin 9 Aux Alarm Input 1 Bi level alarm input 1 TTL 10 Aux Alarm Input 3 Bi level alarm input 3 TTL 11 Relay 1 COM Relay 1 COM pin 12 Relay 2 NO Relay 2 NO pin 13 Relay 2 NC Relay 2 NC pin 14 Aux Alarm Input 2 Bi level alarm input 2 TTL 15 Aux Alarm Input 4 Bi level alarm input 4 TTL Table 8 Overhead Al...

Страница 17: ...rm Inputs The Overhead Alarm interface includes four TTL bi level alarm inputs Contact the factory to request specific implementations 1 3 3 4 Bi Level Alarm Outputs The Overhead Alarm interface includes two TTL bi level alarm outputs Contact factory to request specific implementations 1 3 4 Serial Console Interface The CLI interface presents a standard three wire RS 232 DCE interface on a female ...

Страница 18: ...t Panel IDU Status LEDs Green Power LED Indicates DC power is applied Yellow Alarm LED Indicates loss of IDU ODU command telemetry link This alarm is also accompanied by the closing of Relay 1 accessible via the Overhead Alarm Interface discussed in Section 1 3 3 Red Fault LED Indicates loss of lock in demodulator This alarm is also accompanied by the closing of Relay 2 accessible via the Overhead...

Страница 19: ...al of external supply to V terminal Connect positive terminal of external supply to V terminal 1 3 8 ODU Interfaces Each of the two N Type ODU interface multiplexes the following signals to each of the two interfaced ODUs DC power 21 to 60V Transmit modulated IF signal to ODU at center frequency 350 MHz and output power 2 dBm to 3 dBm Receive modulated IF signal from ODU at center frequency 140 MH...

Страница 20: ...IDU along with other network settings can be modified from the Network Settings GUI page see Section 2 1 13 2 2 1 Web GUI Interface The IDU includes an HTTP server supports full management via a web GUI interface The IDU web GUI is compatible with Internet Explorer and Mozilla Firefox To access the IDU start a browser window and enter the IDU s IP address in the URL window If the IP address for th...

Страница 21: ...Cirius LM User Manual 2016 Page 21 Figure 11 Web GUI Login Page ...

Страница 22: ... Authentication Levels 2 1 2 Main Status Bar The Main Status Bar is always present at the top of the browser page as shown in Figure 12 It presents key status information for both the near end and far end terminal The Main Status Bar is dynamically updated approximately once every 5 seconds Parameter definitions are as follows IDU Alarm Green status indicates no IDU alarms red indicates one or mor...

Страница 23: ...16 Page 23 RSSI Received Signal Strength Indicator ODU RF received signal power in dBm For 1 1 protected units the RSSIs of both the Primary and Standby ODUs are displayed Figure 12 Web GUI Main Status Bar and Link Status Tab ...

Страница 24: ...e and far side terminals Link Status data are dynamically updated Parameter definitions are as follows RF Tx Enable ODU RF transmitter is enabled RF Tx Frequency Currently configured ODU transmit frequency RF Tx Power Currently configured ODU transmit power RF Rx Frequency Currently configured ODU receive frequency RF Rx RSSI Received Signal Strength Indicator ODU RF received signal power For 1 1 ...

Страница 25: ...button in the Protected Mode pane x16 T E1 only When enabling or disabling protected mode designate a Primary ODU or Active ODU using the pulldown No changes to Protected Mode settings are activated until the operator presses the Apply Apply Save or Restore button If Apply is pressed changes are not stored in non volatile memory on the IDU and do not persist after a reboot To permanently apply cha...

Страница 26: ...rt IDU ports P0 and P1 are made active if two lines are selected The selected configuration can be saved to the IDU s non volatile memory and applied upon the next power on by clicking Apply Save Click Apply to apply the settings without storing to power on settings Click Restore to restore settings from Power on settings Note that upon a power cycle or Reboot it is the configuration saved in the ...

Страница 27: ...Cirius LM User Manual 2016 Page 27 Figure 14 Web GUI Modem Tab ...

Страница 28: ...lative link downtime Error Free Seconds Cumulative count of error free operation per ITU G 826 definition Errored Seconds Cumulative count of errored seconds ES per ITU G 826 definition Severely Errored Seconds Cumulative count of severely errored seconds SES per ITU G 826 definition Unavailable Seconds Cumulative count of unavailable seconds per ITU G 826 definition Block Error Rate Cumulative nu...

Страница 29: ...Cirius LM User Manual 2016 Page 29 Figure 15 Web GUI Link Quality Tab ...

Страница 30: ...t status is provided only for the number of active lines selected on Modem tab Signal Loss status is green if valid received signal is present on the receive port red is no valid signal is present AIS status is red if an all ones error condition is detected at the received port green indicates an all ones error condition is not detected DFM status is red if the Tx driver is detected to be in fault...

Страница 31: ...Cirius LM User Manual 2016 Page 31 Figure 16 Web GUI Telco Lines Tab shown T E4 ...

Страница 32: ...reated 1 Management ports 0 2 isolated from data ports 1 3 2 Data port 1 may pass traffic only to data port 1 on the far side of the link 3 Data port 3 may pass traffic only to data port 3 on the far side of the link When VLANs are enabled Link Aggregation of Ethernet ports 1 and 3 may be enabled using the drop down When enabled with a radio button in the Port Based Priority pane a Fair Weighted o...

Страница 33: ...Cirius LM User Manual 2016 Page 33 Figure 17 Web GUI Ethernet Tab ...

Страница 34: ...ettings from Power on settings Note that upon a power cycle or Reboot it is the configuration saved in the Power on settings that will be applied The ODU Status pane is dynamically updated every 2 seconds with the current state of the active ODU In a 1 1 protected mode configuration the status of the IDU to ODU communications link for both ODUs is displayed The ODU Version Information pane display...

Страница 35: ...Cirius LM User Manual 2016 Page 35 Figure 18 Web GUI ODU Tab ...

Страница 36: ...the ability to export the logged data table as a CSV file Entries are updated every 15 minutes Individual data fields may be added or removed by means of the Data checkboxes To specify the length of the historical record select one of the Period radio buttons Press the Update button to activate selections Figure 19 Web GUI Logged Data Tab ...

Страница 37: ... nnn User changes IP Address or configuration is restored where IP is different from current Modem configured to nn MHz nnnQAM nE1 User configures modem or configuration is restored ODU Tx Enable turned ON OFF User sets TxEnable on off from ODU page or configuration is restored that has it on off Time changed to YYYY MM DD HH MM TZN IDU web server detects time change of more than 10 seconds Demod ...

Страница 38: ...Cirius LM User Manual 2016 Page 38 Figure 20 Web GUI Event Log Tab ...

Страница 39: ...ns red if the IDU experiences a hardware failure Power cycling the unit may clear this alarm If not it should be returned to the factory for servicing 2 1 11 2 IDU ODU Alarm Status The IDU ODU Alarm Status indicator turns red if the communication link between the IDU and the ODU goes down For 1 1 protected units the link status for both the Primary and the Standby ODU is displayed 2 1 11 3 Protect...

Страница 40: ... temperature indicators will not appear on the display The IDU has two temperature sensors one on the modem mainboard and a second on the power supply board The IDU temperature is the greater of the two temperature readings Figure 21 Alarms Tab 2 1 12 SNMP Alarms Configuration Tab The SNMP Alarms Configuration Tab shown in Figure 22 provides access to the SNMP Trap server configuration See Section...

Страница 41: ...r a heartbeat check the appropriate box and specify an update interval in minutes The Alarm and Heartbeat Object Identifiers OIDs are displayed to the right of the update interval Save changes or send a test trap by pressing the corresponding button The Management Information Base MIB can be viewed in the web browser by clicking on the blue text Figure 22 Web GUI SNMP Alarms Configuration Tab ...

Страница 42: ...tem Tab provides access to a variety of System related information 2 1 13 1 Version Information Selecting Version Information on the System Tab displays key hardware and software version data as shown in Figure 23 Figure 23 Web GUI System Version Information Tab ...

Страница 43: ...as shown in Figure 24 See Section 3 2 for a detailed discussion of the Network Settings configuration The IP address net mask and gateway address of the IDU may be modified Changes are applied by pressing the Apply Save Network button If the IP address is changed the URL in the browser must be updated accordingly Clicking the Login to Far side button opens the far side GUI login page in a new brow...

Страница 44: ...re uptime and load information The date and time as set here are used in Data and Event Logging Changing the time during link operation may result in a discontinuity in logged data and events Nominal Mainboard Temperature readings are typically in the range of 20 to 30 degrees above the ambient air temperature around the IDU Nominal Power Supply Temperature readings are normally 5 to 10 degrees be...

Страница 45: ...r to set user passwords as shown in Figure 26 Access on this page is determined by login authentication level as discussed in Section 2 1 1 Since the password display is hidden it must be entered twice to assure the intended value is captured Press the Save Passwords button to apply and save changes Figure 26 Web GUI System System Users Tab ...

Страница 46: ...nterface allowing the operator to define Asset Tag ID and Name as shown in Figure 27 Asset tags can be used by the network operator to define and track network assets remotely Clicking on the Save Asset Tags button stores these fields in non volatile memory on the IDU Figure 27 Web GUI System Asset Tags Tab ...

Страница 47: ...ollowing a firmware update the IDU will automatically apply the Power on settings previously saved for the modem configuration ODU configuration and Ethernet configuration as well as retain terminal network settings and user passwords Note that a firmware update can include updated software running on host processor and or an updated modem bitstream running on configurable FPGA For detailed firmwa...

Страница 48: ...to reboot the unit please heed the warnings in the System Reboot pane Note that following a firmware update the IDU will automatically apply the Power on settings previously saved for the modem configuration ODU configuration and Ethernet configuration Note that a reboot will result in a modem re acquisition sequence which will temporarily interrupt the link Figure 29 Web GUI System Reboot Tab ...

Страница 49: ...e link modulation is clean with little or no interference or that there is a path problem which manifests itself in a distorted Quadrature Modulation screen Refer to the two examples below Figures 30 and 31 that depict a good and bad signal reception Figure 30 28Mhz_64QAM_highSNR_SM Figure 31 28Mhz_64QAM_LowSNR_SM ...

Страница 50: ...4607000 4 00 15027000 60 79 39 39 32 25 59790 25 85 18 97 1 0 0 0 0 192 168 70 240 2 3 0 35 33 The 25 fields are described below in their order of appearance 1 Protected Mode Standard Configuration 1 Primary ODU is ODU 1 0 Primary ODU is ODU 2 applicable for 1 1 protected 2 Standby ODU Tx Active indicator applicable for 1 1 protected 3 Standby ODU Rx Active indicator applicable for 1 1 protected 4...

Страница 51: ...face as shown in Section 2 1 11 click the Click to view MIB string 2 2 Telnet Terminal management can also be performed via a telnet connection over TCP IP via the front panel Ethernet ports Contact the factory for more information on management via telnet 2 3 Serial Console In the event that the IP address of the IDU is not known the serial console interface provides quick access to this paramete...

Страница 52: ...to be connected directly not over a routed network refer to Section 3 2 for specific instructions on properly configuring the IDU and laptop network settings 3 Connect an external DC power supply to the IDU front panel interface Make certain that the polarity of the external supply matches the configuration of the IDU see Section 1 2 6 for details 4 The IDUs are factory configured to power up in t...

Страница 53: ...k Settings page of the GUI interface see Section 2 1 13 2 If the IDU is to be connected to a LAN or routed network the installer should take care to ensure e g via PING that no other node exists on the network with the same IP address 3 2 2 Laptop or Management Computer Network Configurations The appropriate network configuration settings of the management computer depend on the network environmen...

Страница 54: ...in Figure 31 below Figure 31 Configuring an IP Address IMPORTANT NETWORK CONFIGURATION WARNINGS Note that if no Gateway exists on the network insure that no default gateway IP Address is entered in the network settings It has been found that with computers running Windows specifying a default Gateway where none exists can result in communication interruptions between the HTTP client the PC and ser...

Страница 55: ... if testing a link in a laboratory environment only one IDU can be connected to a LAN via an Ethernet cable at any one time If both IDUs are connected to the same LAN via Ethernet and the link is closed a loop is formed which will disrupt the network ...

Страница 56: ...g TFTP server if one is available 2 Establish Ethernet connection between the computer hosting the TFTP server and the IDU locally or via a network 3 Execute upgrade via the IDU s web GUI interface 3 3 1 Step 1 Setting Up Solarwinds TFTP Server These instructions assume that the freeware Solarwinds server is to be installed on an external PC Ensure all firewalls are switched off on the external PC...

Страница 57: ...r Manual 2016 Page 57 Figure 32 Starting the TFTP Server From the TFTP Sever menu ensure Transmit Only or Transmit and Receive files is checked on the security tab from the File Configure menu as shown in Figure 33 ...

Страница 58: ...files provided in TFTP Root folder from the firmware update zip file to C TFTP Root of the external PC Note that the TFTP Root folder will be created automatically by the TFTP application when it is started so the TFTP application must be started prior to this step C TFTP Root should appear as shown in Figure 34 below when complete ...

Страница 59: ...external computer s IP address for subsequent steps This is the TFTP server IP address Option 2 IDU directly connected via Ethernet to PC no LAN Connect one of the IDU s Ethernet Management ports to the external PC s Ethernet port Set external PC s Internet Protocol TCP IP properties under Network Connections window 3 3 3 Step 3 Execute Upgrade From Firmware Update window under System tab of web G...

Страница 60: ...rmware Update Window The update process will take from 3 to 5 minutes DO NOT INTERRUPT OR POWER DOWN DURING UPDATE The status of the firmware installation will be updated on the GUI during this time Software will automatically re boot when complete ...

Страница 61: ...User Manual 2016 Page 61 During the reboot the page will display Lost IDU Communication and all status indicators will go red as shown in Figure 36 below Figure 36 Firmware Update Window while Update in Progress ...

Страница 62: ...Cirius LM User Manual 2016 Page 62 When the screen shown in Figure 37 below appears click on Click here to refresh browser Figure 37 Firmware Update Window after Update Completion ...

Страница 63: ...res The platform includes VLAN based security features designed to protect the near and far side CPUs and management Ethernet ports from unauthorized access via the transport ports The design is depicted in Figure 38 When VLAN Security is enabled Ethernet frames ingressing into either of the two transport User ports at each IDU are allowed to egress from only the corresponding transport port at th...

Страница 64: ...near side For the purposes of address lookup and frame forwarding functions each of the three distinct VLANs defined within the switch have a separate address database associated with it In this way the two transport ports can pass frames with identical destination addresses without problems related to inconsistencies between destination addresses and learned port vector assignments Figure 38 VLAN...

Страница 65: ...lied to the four priorities Note that the Priority Queuing feature is independent of any VLAN function and ignores the contents of the VLAN tag if frames ingress with VLAN tags For each port excluding the modem port the parameters listed in Table 13 are independently configurable Parameter Name Allowed Values Port Based Priority Disabled Enabled Port Priority selectable for each front panel port 0...

Страница 66: ...ited 3 128Kbps 256Kbps 512Kbps 1Mbps 2Mbps 4Mbps 8Mbps 16Mbps 32Mbps 64Mbps or Not Limited Table 14 Configurable Port based Ingress Rate Limits 4 4 Ethernet Flow Control The platform supports the standard Ethernet flow control on all front panel ports as defined in IEEE 802 3x Flow control involves temporarily halting transmission of Ethernet frames in response to traffic congestion signaled from ...

Страница 67: ...Ethernet ports The IDU supports a single LAN with an Ethernet throughput in excess of 100 Mbps via intervening LAG enabled switches that support Link Aggregation Control Protocol LACP No special measures beyond enabling the VLANs are required 5 2 Aggregated Link Configuration This section outlines the procedure for enabling an aggregated link Figure 39 shows the LAG setup Figure 39 Link Aggregatio...

Страница 68: ...hput of 130 Mbps provided the wireless link is configured in mode that can support data rates 100 Mbps e g 28 MHz 128 QAM 5 2 1 Cisco Switch Configuration 1 Connect one switch to an Ethernet port on a PC with an IP address on the 192 168 1 xxx subnet 2 Open a web browser and connect to http 192 168 1 254 3 Log on to the switch with username admin no password 4 Navigate to System System Settings ch...

Страница 69: ...gs Page 7 Navigate to Port LACP Settings Make sure there are no active connections on switch ports 1 and 2 8 Select Enable LACP for Ports 1 and 2 and press Save Settings as shown in Figure 41 9 Repeat Steps 1 8 for the second switch Figure 41 Cisco Switch LACP Setup Page ...

Страница 70: ... properly Link Aggregation can be enabled and disabled on the IDU by means of a pulldown on the Ethernet tab in the web GUI as shown in Figure 42 Figure 42 Ethernet Tab Window Showing Link Aggregation Pulldown Menu Note VLAN double tagging is not supported when link aggregation is enabled The Cisco SLM2008 switch strips off VLAN tags ingressing into the IDU s Ethernet port ...

Страница 71: ...t for the difference between the Ethernet frame and the over the air frame size The individual E1 bit streams are byte wise multiplexed together along with GFP framed Ethernet data assembled into an over the air frame as indicated in Figure 44 then finally coded and modulated for transmission over the link On the far side of the link the received signal is demodulated and decoded and the received ...

Страница 72: ...Cirius LM User Manual 2016 Page 72 ...

Страница 73: ...tch traffic to the hot standby secondary ODU The IDU will switch the transmit path only the receive path only or both depending on the nature of the failure Switching only the failed path avoids link disruption in the nonfailed direction The IDU monitors the following parameters to make this switch decision Near side IDU Rx demodulator lock Far side IDU Rx demodulator lock Near side primary and st...

Страница 74: ...e path is unaffected 3 Receive and Transmit Path Failure In the event that failure of both the receive and transmit paths are detected or total failure of an ODU is detected e g demod lock loss coupled with loss of IDU ODU communication all operations are switched to the standby ODU The protected 1 1 in normal operation is shown schematically in Figure 45 ...

Страница 75: ...Cirius LM User Manual 2016 Page 75 ...

Страница 76: ...EM Configuration Programmable FPGA based modem upgradable via firmware release Programmable Modulation Modes QPSK 8PSK 16QAM 32QAM 64QAM 128QAM 256QAM Programmable Channel Bandwidths Customizable at any arbitrary channel size up to 30 MHz including the following standards CEPT ETSI 3 5 7 14 and 28 MHz ANSI FCC 2 5 5 10 20 and 30 MHz Programmable Symbol Rates Up to 25 Mbaud Programmable Data Rates ...

Страница 77: ...liant Internal layer 2 switch 1536 bytes maximum frame size Configurable VLAN based security port based QoS priority and port based rate limiting MDI MDI X cross connect with auto detect TDM Line Interfaces and Formats Customer selectable up to 4xE1 T1 or 16xE1 T1 E1 T1 full duplex RJ 48 100 ohm T1 120 ohm E1 balanced 75 ohm unbalanced as an option ITU T compliant Native Ethernet and TDM Transport...

Страница 78: ...indicating ODU presence and faults POWER Configuration 48 V fused with reverse voltage protection Voltage Cirius x4 20 to 60 VDC Cirius x1616 20 to 72 VDC 5 08 mm terminal block connector 3pins x4 or 2 pins x16 Power Consumption Variable depending on ODU type and tributary choice Maximum Cirius x4 12 W Cirius x16 15 W NETWORK MANAGEMENT Configuration Network management via the following HTTP serve...

Страница 79: ... Contact factory for availability Simple 1 1 hot standby protection single Rx demodulator with non hitless switchover supporting single space and frequency diversity Full 1 1 protection dual Rx demodulator with hitless Rx switchover supporting single space and frequency diversity All 1 1 protected options supported by single IDU with dual ODUs 2 x N type IF connectors ...

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