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At the host end, an Async sharing Unit (ASU) set to the Backup Mode
must be installed.  The ASU is installed between the host computer
serial port and the host BPF and backup modem(s).  The ASU
Composite port connects to the host, the Device ports are connected to
the Host BPF and the backup device(s) (radio, modem, etc).

The ASU scans the device ports for RTS.  If RTS is high on any device
port, the data channel between the Composite and the Device port is
opened.  The green DCB NMP cable, part number 9500023, is used
between the ASU and the BPF.  To connect the ASU to the modem,
an RJ45 line cord and the DCB Async Modem adapter, part number
9802018 is used.  With this cable, when the backup modem link is
established, the modem DCD is wired to the ASU RTS input and the
path is opened between the host computer and the remote device
served by that modem.

To make the host modem behave properly, the ASU sends out a
command string.  This command string puts the modem in answer
mode, insures that modem DCD follows the call progress and insures
that the RS232 interface speed is correct.  The command string is sent
by the ASU as soon as the ASU is put into Backup mode.  Once in
Backup mode, the ASU also sends out the string after the ASU is
powered on and after the ASU is reset.

Some features of the BPF-BU include:

•

 

Monitor functions allow network management port user to
monitor transmit or receive of any data port.

•

 

Many test features allow diagnostics of the system and
communications link.

•

 

Power supplies available for 120 VAC, and 240 VAC.

Options:

•

 

Built-in 56 / 64Kbps DSU/CSU.

•

 

Rack mount options available.

•

 

Power supplies for 12, 24, -48 or 125 VDC are also available.

Содержание BROADCAST POLLING FRAD BPF-14 BU

Страница 1: ...CTION 3 INSTALLATION 7 SECTION 4 CONTROLS AND INDICATORS 11 SECTION 5 NETWORK MANAGEMENT PORT 14 SECTION 6 INTERFACE SIGNALS AND CABLING 21 SECTION 7 TROUBLESHOOTING 26 SECTION 8 WARRANTY 28 Data Comm for Business Inc PO Box 6329 Champaign IL 61826 6329 April 20 2009 217 897 6600 Firmware Version 2 1 www dcbnet com ...

Страница 2: ...40 seconds the remote BPF BU begins the backup process The BPF BU first attempts a connection through the Leased Line port if port RTS is asserted If RTS is not asserted the BPF BU tries the Dialup port by sending an AT and looking for an OK response If an OK is returned the BPF BU sends the command ATDS 0 This tells the modem to dial the number stored in phone number register 0 The user must prog...

Страница 3: ... wired to the ASU RTS input and the path is opened between the host computer and the remote device served by that modem To make the host modem behave properly the ASU sends out a command string This command string puts the modem in answer mode insures that modem DCD follows the call progress and insures that the RS232 interface speed is correct The command string is sent by the ASU as soon as the ...

Страница 4: ... LINE MODEM PORT 1 POWER ACTIVITY ERROR READY SETUPLOOPBACK LOOPBACK SETUP RESET DCB Switches DSU Telco Primary BACKUP RTU Power NMP Network Leased Dial 2 1 RESET BROADCAST POLLING FRAD OPTION MODEM READY LINE ERROR ACTIVITY POWER PORT 1 SETUP LOOPBACK PRIMARY BACKUP RTU NMP NETWORK LEASED DIAL 6 5 4 3 2 1 ...

Страница 5: ...k management port control with an asynchronous terminal Data Format 10 bits character 1 start 1 stop 8 data including parity Interface CCITT V 24 RS 232D implemented in RJ 45 8 position connectors EIA 561 standard physical pin out used on RJ 45 connectors 2 1 2 Composite Port Full Duplex Speed Synchronous up to 128 Kbps Interface RS 232D implemented in RJ 45 8 position connector ...

Страница 6: ...t Tools Monitor Port Tx Monitor Port Rx Monitor Network Status NMP Parity Ping DLCI Reset BPF Type Repeat Last Command Disconnect NMP 2 2 Environmental Operation 40 to 70 C 10 to 95 relative humidity Storage 40 to 85 C 10 to 95 relative humidity 2 3 Physical Electrical 10 W x 9 D x 2 H 120 VAC external power supply Optional 240VAC power supply available 30 watts 25 amps 2 4 Optional Built In DSU C...

Страница 7: ... PC for configuration If your unit has the optional built in DSU CSU a cable is included for connection to the phone line 3 2 Setup The frame relay options for the BPF BU can be configured using the Frame Relay FR command from the network management port The configurable parameters are Management Type Auto LMI Annex D or None Poll Interval 5 30 sec Full Status Interval 1 255 polls 3 2 1 Management...

Страница 8: ...to Composite cable supplied Connect the BPF BU to power The Power and Modem Ready indicators on the front panel of the BPF BU should be ON indicating the on line condition See Section 4 This may take up to one minute If Modem Ready continues to flash the BPF BU was unable to connect to the local frame relay network Use the SS command to see if the network is responding to Full Status and Keep Aliv...

Страница 9: ...ses on the SS status screen If the keep alive and full status messages are sent and received in equal numbers as shown on the SS screen the frame relay circuit should be up and operational This is not by itself however a guarantee that the complete frame relay network is up since the keep alive and full status management messages are only from the customer equipment to the nearest frame relay swit...

Страница 10: ...nt port or perform the following steps using the front panel switches 1 Depress and hold the PORT 1 SETUP switch while depressing the RESET switch 2 Be sure to continue to hold the Port 1 Setup switch until its LED has gone OFF and returned ON 3 Release and depress the Port 1 Setup switch again to return management control to the network management port 4 All port settings should be at the factory...

Страница 11: ...re reset of the BPF BU 4 1 2 Optional Built In DSU Switches The DSU switches are located at the rear of the unit Switch functions are shown in the following table Switch Down Up 1 56K 64K optional 2 Slave Clock Master Clock 3 Must Be Down 4 RTS Normal RTS Forced ON 5 Normal Local Loop ON 6 Not Used NOTE RTS mode sw 4 is active in 56Kbps mode only In 64Kbps mode RTS is forced on TXD RXD RTS CTS DCD...

Страница 12: ...igh from the BPF BU No RTS from the BPF BU CTS Follows RTS CTS signal to the BPF BU DCD ON OFF Normal condition No carrier signal received from the far end TEST ON Flashing Unit is in loopback DIP switch 5 UP Telephone line is in loopback 4 2 BPF 6 14 BU 4 2 1 Front Panel Switches Port 1 Setup Maps the network management port commands to the terminal attached to data port 1 When Port 1 Setup is ac...

Страница 13: ...SLOW FLASHING 2 ON OFF The Leased Line Backup port is active SLOW FLASHING 3 ON OFF The Dial Backup port is active OFF Data Carrier Detect is not present from the composite DSU CSU indicating a problem with the composite link PORT 1 SETUP is ON when the network management port functions have been mapped to data port 1 by depressing the front panel switch To return these functions to the network ma...

Страница 14: ... on the front panel performs this function See paragraph 4 1 1 for information 5 2 2 Dedicated Terminal or PC The NMP functions are also available through a port on the rear of the unit labeled Network Management Port To connect a dedicated terminal to this port use the green cable provided and the appropriate adapter for either a terminal or PC Set the terminal device for 9600 bps 8 data bits no ...

Страница 15: ...Counters Zero AC Z RAC RZ 5 4 14 Test Tools TT 5 4 18 Type TY RTY 5 4 15 Repeat Last Command 5 4 16 Disconnect NMP BYE 5 4 17 This Help screen shows the choice of commands available The commands allow you to display the selected options configure the BPF BU and perform many different diagnostic functions The character in the remote commands represents the DLCI number of the Host BPF unit and must ...

Страница 16: ...ing error status keep alive frames sent and received full status frames sent and received and a list of all DLCIs assigned to the local frame relay node The Z command Z RZ is used to zero the counters so that current activity can be monitored 5 4 5 Change Port Configuration The Change Port Config CP RCP command sets the loopback and rate configuration for each RTU and Backup port The backup status...

Страница 17: ...ct press Enter to leave the setting unchanged 5 4 9 Configure Internal DSU 6 14 Port Units Only The Configure Internal DSU CN command is only available when the optional internal DSU CSU is installed The command is used to configure the DSU CSU clock source to standard clock 64 or 56 or line driver 56 The default is Standard Clock 56K 5 4 10 Configure Backup Modem The CBM command connect the netwo...

Страница 18: ...esented in terms of blocks of information sent and received by the network and each data port Error counts are also shown A range of ports may be included with this command to reduce the number of ports shown The Z command Z RZ is used to zero the counters so that current activity can be monitored 5 4 15 Type The Type TY command displays information about the local BPF BU including firmware versio...

Страница 19: ...Monitor Port TX or RX The Monitor Port TX MT command monitors data transmitted from the selected port to the corresponding port of the remote BPF BU The Monitor Port RX MR command monitors data received by the selected port from the corresponding port of the Host BPF A local port number must be included on the command line Using these commands on a active line may cause errors when using time sens...

Страница 20: ...o FULL STATUS response WARNING Monitor is running Stop monitor Y N Y 00 00 00 09 Monitor stopped 5 4 21 NMP Parity The NMP Parity command P sets the parity for the network management port To change type P followed by E O M or S The factory default is SPACE 8 N 1 5 4 22 Ping DLCI The Ping DLCI PING command measures the round trip time to the selected remote unit and displays the result in milliseco...

Страница 21: ...RFACE SIGNALS AND CABLING 6 1 Connector Location and Pin Reference BPF BU Rear Panel and RJ 45 Jacks RJ 45 Plug Positions 1 2 3 4 5 6 7 8 Switches DSU Telco Primary BACKUP RTU Power NMP Network Leased Dialup 2 1 ...

Страница 22: ...ut 1 Data Set Ready OUT 2 Data Carrier Detect OUT 3 Busy IN 4 Signal Ground 5 Receive Data OUT 6 Transmit Data IN 7 Clear to Send OUT 8 Request to Send IN 6 2 3 Network Management Port RJ 45 Pin Signal In Out 1 Not Used 2 Not Used 3 Busy IN 4 Signal Ground 5 Receive Data OUT 6 Transmit Data IN 7 Clear to Send OUT 8 Request to Send IN 6 2 4 Optional Built In DSU Interface RJ 48S Pin Signal In Out 1...

Страница 23: ...modem to composite cable is included with each BPF BU The configuration is as follows BPF BU Modem RJ 45 DB 25P 6 3 2 RTU Ports To a DTE device BPF BU Device RJ 45 DB 25 or other flow control output pin or other flow control input pin or 20 if 4 is flow control 1 2 3 4 5 6 7 8 17 15 8 7 2 3 4 20 5 ...

Страница 24: ...control output pin or other flow control input pin To a PC Com Port BPF BU Computer RJ 45 DB 25S DE 9S 6 3 3 Dial Backup Port to ASYNC Modem 9802018 1 2 3 4 5 6 7 8 20 5 7 2 3 4 8 1 2 3 4 5 6 7 8 6 or 6 8 or 1 4 or 7 7 or 5 3 or 2 2 or 3 5 or 8 20 or 4 BPF BU RJ 45 1 2 3 4 5 6 7 8 Modem DB 25P N C 20 5 7 2 3 4 8 ...

Страница 25: ...To a TERMINAL NMP Terminal RJ 45 DB 25P To a PC using terminal emulation NMP Computer RJ 45 DE 9S DB 25S To a dial up MODEM for remote access NMP Modem RJ 45 DB 25P 20 7 3 2 5 6 8 4 3 4 5 6 7 8 4 or 20 5 or 7 2 or 3 3 or 2 8 or 5 6 or 6 1 or 8 7 or 4 3 4 5 6 7 8 ...

Страница 26: ...n test functions and record your results 7 2 Loopback Tests It is best to begin loopback testing at the remote terminal and work toward the host If all the loopbacks are successful the data communications equipment and the terminal are working correctly Put the remote BPF BU port in loopback and have someone type alpha characters on the keyboard of the affected terminal If the characters appear co...

Страница 27: ... 4 Installation Troubleshooting BPF BUs Before trying terminals make sure the BPF BUs are able to see each other Use the RTY command to verify a response from the remote BPF BU If you get a correct response to RTY the link is up and the BPF BUs are communicating 7 5 Assistance If you need assistance troubleshooting your system contact DCB customer support at 217 897 6600 between 8 00 am and 5 00 p...

Страница 28: ...al damages etc DCB liability shall not exceed the original purchase price All equipment returned for repair must be accompanied by a Returned Material Authorization RMA number To receive an RMA number call 217 897 6600 between the hours of 8 AM and 5 PM central time Equipment must be shipped prepaid to DCB and will be returned at DCB s expense Ship returned items to Data Comm for Business 2949 Cou...

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