Black Box NBS008A, Pro Switching System 4 Network Backup Switches Operation, Manual Switching

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Chapter 5: Operation

5. Operation

The switch contains 4, 6, 8 or 16 switch circuits (ports) depending on model. When power is applied to the unit, the appropriate power supply status indicators (PS1 and/or PS2) will light. The switch position indicators (A and B) on the front of the unit may or may not light depending on the position of the switch ports. Indicator A lights when all ports are in position A (each A port from “1” to “N” is connected to its respective COMMON port “1” through “N”), and likewise for indicator B. If some switch ports are in position A and some in position B then neither LED will be on. The switches connect the COMMON ports to either A ports or B ports. Selecting port A (OFF) disconnects COMMON ports from B ports, selecting port B (ON) connects COMMON ports to B ports.

For fiber optic models, the switch uses duplex connections for each channel (port). One duplex SC connector per port form a bidirectional data path, with COMMON port 1 switched to A port 1 or B port 1). Likewise, COMMON port 2 is switched to A port 2 or B port 2.

NOTE: All switch fiber optic connections are straight-through for each port. Be sure to connect the fiber optic RX/TX connections to each port appropriately for your application so that the TX of each device connects through the switch to the RX of the selected device and vice versa.

5.1 Manual Switching

Manual switching action is enabled by the front panel keylock switch, which must be in the position labeled ENABLE for manual switching to occur. When “gang” switching all ports in a “rack” or “system,” the switch position indicator LEDs will light to the appropriate state (A or B).

The momentary toggle switch on the unit is used to switch all ports in the rack or in a system of daisychained racks. To switch all the ports within a rack, hold the front-panel toggle switch in the “A” position or in the “B” position. Selecting “A” connects each Port A in the rack to its respective COMMON port. The “A” LED will illuminate when the switch operation has been completed.

Release the switch when switching has finished. Hold the toggle switch in the “B” position to connect each Port B to its respective COMMON port. The “B” LED will illuminate when the switch operation has been completed. Release the switch when switching has finished.

To switch an entire system of daisychained racks (multiple racks ganged together), hold the “system” push-button while operating the front panel momentary toggle switch.

NOTE: Any rack within the daisychain that has its keylock switch in the enabled position can be used to manually gang switch all of the racks within the system.

5.2 RS-232 Terminal Commands (NBS004A, NBS006A, NBS008A, NBSALL8, or NBS016 Models Only)

This section describes the RS-232 commands that are available on a switch without the Ethernet Module installed. The switch with the Ethernet Module installed responds to an enhanced set of RS-232 commands—see Section 5.3 and Section 7 for more details on command syntax and responses for terminal commands supported by NBS004MA, NBS006MA, NBS008MA, NBSALL8MGR, or NBS016MA models.

IMPORTANT: To start the “terminal” interface so that it is ready to accept and respond to commands, set your terminal to 1200 baud, no parity, 8 data bits, 1 stop bit, then connect your terminal to the DB9 on the switch (use a straight-through M/F cable to connect to an IBM PC standard DB9 serial port), and press the SPACE KEY.

When the DB9/GANG-IN port on an switch detects a 1200 baud SPACE character, it starts the “terminal” interface and responds with the “>” prompt character. If you then type “help” and then press the ENTER KEY, the switch will respond with the rack address, software version, and a list of the available commands—see Table 5-1.

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NBS008A

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Contents Pro Switching System 4 Network Backup Switches Trademarks Used in this Manual Trademarks Used in this ManualFCC and IC RFI Statements NOM Statement Table of Contents Specifications SpecificationsOverview Overview IntroductionAvailable Models What’s IncludedHardware Description NBS008MA, NBSALL8, NBSALL8MGR, NBS016A, NBS016MABack panel components Front Panel of NBS004A, NBS004MA 16 17Front Panel of NBS006A, NBS006MA NBS006A, NBS006MA NBS006A, NBS006MA front panel componentsFront Panel of NBS008A, NBS008MA, NBSALL8, NBSALL8MGR Front Panel of NBS016A, NBS016MA Configuration ConfigurationDIP switch SW1 and SW2 settings RJ-11 GANG-OUT port pin assignment Installation InstallationManual Switching OperationOperation Example Port 12 in rack 3 has port address Programming Tips for Using the RS-232 Terminal Commands BackgroundProgramming R6000 Console Commands Getset Pingreply ON/OFF Getset Snmpenable ON/OFFGetset Monitormac X X X X X X X = HEX Chars Getset Alerttype TRAP/SYSLOGAuto failover and manual recovery Operation Ethernet Network Interface Setup Ethernet Network Interface Setup GET ALL Console CommandsConsole Commands GET VersionGET Rack N GET Power NSET System AB SET Rack N ABGET Webpassword SET Snmpenable Onoff GET SnmpenableSET Webenable Onoff GET Webenable SET Ipaddress GET IpaddressGET Telnetpassword GET WebtimeoutSET Telnetenable Onoff GET Telnetenable GET TelnettimeoutSET Monitorinterval N GET Monitorinterval SET Authenticationtrap Onoff GET AuthenticationtrapSET Monitormac X X X X X GET Monitormac SET Monitorfailcount N GET MonitorfailcountGET Alerttype SET Adminip NGET Adminip N SET Manager NR6000 Console Commands GET ResetSET Defaults Getset Webenable ON/OFFSave settings for next startup Restart use after SaveSET Web Interface Web InterfaceWeb Interface MIB Path Summary and Trap Definitions MIB Path Summary and Trap DefinitionsAbRackGangPort-1.3.6.1.4.1.9477.1.4.2.1.2.RackIndex AbRackKeyStat-1.3.6.1.4.1.9477.1.4.2.1.3.RackIndexMIB Path Summary and Trap Definitions MIB Path Summary and Trap Definitions Syslog Messages Syslog MessagesSyslog Messages Blackbox.com Black Box Tech Support FREE! Live /7

NBS008A, Pro Switching System 4 Network Backup Switches specifications

The Black Box Pro Switching System 4 Network Backup Switches, specifically the NBS008A model, represents a cutting-edge solution for network resilience and management. This advanced device is designed to enhance network reliability by providing a seamless way to switch between primary and backup network links, ensuring continuous connectivity for critical applications.

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