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Token Ring

46 products from the NCI National Communications Inc. catalog. Click a part number in the interactive catalog to add it to a quote for current pricing.

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Token Ring Connectors

We stock the latest type connectors for all your Token Ring connector needs. So if you are running Type 1, Type 2, or Type 3 UTP for your 4/16 mbps Token Ring Network, you can rely on NCI for all of your connector needs. Token Ring bulk cable (Type 1A/1AP, 2A/2AP, Siamese Type 2A/2AP, Type 6A - Type 8A, Type 9A/9AP, Type 3): see the Bulk Cable section.

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Patch Cables

These multi-purpose cables have a data connector on each end. We use Type 6 cable for its performance and flexibility. If you require Type 1 cable consult your salesperson, and we will be glad to make them for you. ***= length in feet. Token Ring Cable Assemblies: We assemble Token Ring cables using the finest quality IBM specified connectors and cable types. These cables are designed for the high speed and reliability you expect out of your network. Trust us to assemble special lengths or configurations.

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PC Adapter Cable

Used to connect a PC to your network. They have one DB9 male connector on one end, and a data connector on the other end. Standard cables are made with Type 6 cable, however, Type 1 cable can be used if you prefer. ***= length in feet.

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Type 3 Media Filter

This unit connects a workstation to a Token Ring Network over UTP (Unshielded Twisted Pair) lobe wiring. Consists of a DB9 male to an 8ft. UTP cable terminated with a RJ11 or RJ45. It operates at both 4 & 16 mbps and we can make a longer leg if needed. Other types avail.: see Balun section.

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Data to RJ11/45 Adapters

This adapter converts a shielded twisted pair Type 1 data connector to a modular RJ11 or RJ45.

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Impedance Matching Device

This device converts the impedance of IBM Type 1 shielded cable (150 ohm) to Type 3 unshielded twisted pair cable (105 ohm).

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Cross-Over Patch Cables

Used with IBM 8218 and 8219 to provide repeating capability for a back up path. It is made up with special yellow cable and data connector on each end. ***= length in feet.

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Twinax "Y" Cable

This cable is used to connect display stations, printers and series 1 local communication controllers to the cabling system, with a cable-through feature. ***= length in feet.

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Twinax Direct Cable

Attaches the last terminal in a Twinax daisy chain to the cabling system. It features a data connector on one end and a Twinax connector on the other end. ***= length in feet.

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Twinax Green Balun Cable

This cable is intended to attach system 3x, as 400, 5250, 5260, and 5520 devices to twisted pair type wiring. It matches 100 ohm twinax to that of 150 ohm Type 1 cable. See our wide selection of baluns in the Balun section.

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Red Balun Cable

Used to connect 3278 terminals to the cabling sytem. Red identifies 3278 device. Coax connector to data connector 8 ft. cable. See our wide selection of baluns in the Balun section.

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Yellow Balun Cable

This cable connects 3277 terminals to the cabling system. Yellow identifies 3277 devices. Coax connector to data connector 8 ft. cable. See our wide selection of baluns in the Balun section.

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3270 Coaxial to Twisted Pair Adapter (CTPA)

This 3270 CTPA connects 3270 Type A devices to cluster control units using Type 3 cabling.

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3270 Dual Purpose Conn. to Twisted Pair Adapter (DPC-T3)

This allows direct connection from 3174 subsystem control units or 3299 Terminal Multiplexers to 3270 devices. VIA Type 3 Cable.

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Dual Purpose Connector Attachment Cable (DPC)

Dual Purpose Connector (DPC) cables are used to attach 3299 multiplexers (Model 1, 2, or 3) to a face plate recepticle. DPC replaces the Red Coaxial Balun at the 3299 Model 2. Offered with a single or double DP Connector.

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Plug & Jack Assembly

Used to connect IBM 3600 or 4700 workstations to cabling system. It has one data connector on one end, and one male and female 1/4" connector terminated on the other end. Standard length is 15".

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Loop Cable Assembly

Connect your IBM 3600 or 4700 terminal to a port box, controller, or another terminal. The cable is 8 ft. long with male and female 1/4" connector.

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MFA/422 Attachment Cable

The MFA/422 cable is used to connect IBM 3101 or 4975 devices to the network. An 8 ft. Data Connector to RS 232 DB25 male is standard.

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General Purpose Attachment Cable

This cable connects a modem to a receptacle. It is an 8 ft. cable with a data connector on one end to spade leads for screw downs.

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"Y" Assembly

Used for creating a financial workstation loop or a Twinax daisy chain at the distribution panel. It can also attach two 3278 or 3277 Coax terminals to the same wall outlet when used in conjunction with the appropriate balun. Standard length is 4 ft.

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Shielded Twisted Pair Adapter Cable

Consists of a data connector to a shielded RJ45 plug using a modified Type 6 Cable. Equal to synoptics 950 type cables used with synoptic hubs. Call for all Token Ring cables & custom lengths. We have the best delivery!

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Dual Station Access Module

Used to connect two workstations directly to each other. It is made up of two SAM Cables connected together with a yellow crossover cable.

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Single Station Access Module

A cost, effective, & flexible design to create or expand a Token Ring Network. Circuitry in the module connects a workstation when the right signal is received. Offered in three styles: Data to Data, Data to DB9 Male, & RJ11 to RJ45 plugs.

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Expander "Y" Cable

Used with a SAM, to add a work station to an existing MAU port.

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FDDI Copper Adapter Cable

Used to connect a workstation to your IBM FDDI Copper Adapter / A.

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FDDI Copper Reversing Cable

This cable will enable you to attach a dual-attached workstation IBM Extender card to the network.

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FDDI Copper Wrap Plug

This allows you to run diagnostics on IBM FDDI Copper adapter.

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Copper Concentrator Port Cable

Used to attach an IBM cabling system lobe to the master(m) port of a Copper Device Attachment Module installed in an IBM8240 FDDI Concentrator.

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Network Interface Cards

We feature the best NIC cards from manufacturers such as Proteon, Xircom, and Asante for MAC Environments. It is available for 4/16 Mbps networks with ISA, EISA, MCA, and Macintosh SE, SE/30, IIsi, and LC/LCII.

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Multistation Access Units (MSAU)

Our MSAU units come loaded with features and options. If you have a small network, that doesn't need much management, then go with our standard units. For larger, more sophisticated networks, we feature Fiber RI/RO ports, monitoring LED's and active intelligent MSAU's. Let our sales staff help you choose the right one for your needs. All IEEE 802.5 compatible.

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Coaxial Power MAU™

This MAU provides the interconnection between workstations and a Token Ring network on existing 3270 coaxial cable. Offers great savings when the cost of rewiring is considered. You must use a coax adapter at each station.

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Controlled Access Unit (CAU)

This is an intelligent wiring concentrator with a built-in copper repeater or optional Fiber concentrators allowing you to add workstations to a Token Ring LAN at speeds of 4/16 Mbps.

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Set-Up Tools

You must initialize a new passive MSAU in order to install it. To do so simply plug a Relay Set-Up Tool into each lobe port for a few seconds and then each ring port. 9 Volt battery included. WARNING: Not for use on a MSAU connected to an operating network.

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Fiber Optic Converter

This unit is fully compatible with the IBM 8220. It can link two token ring networks up to 3.3km apart. Features loopback capabilitites, 4/16 mbps networks and reclocks signal.

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Copper Repeaters

This repeater is fully compatible with the IBM-8218 4Mbps unit.

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Fiber Optic Repeaters

This unit is fully compatible to the IBM 8219 repeater. The unit features LED's to show status of low signal, low light and loopback. If you need to mount this unit or the copper repeater, we have a 19" rack housing and a surface mount bracket.

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Token Ring Fiber Optic Tranceivers

Extending you Token Ring lobe and ring distance is now easy and affordable. Just get a pair of our Fiber Optic Token Ring Transceivers. > To connect the transceiver to a MSAU ring-out or lobe port use a cross-pinned cable. > To connect the transceiver to a MSAU ring-in port or to a NIC (network interface card) with a RJ45 jack use a straight pinned cable. NOTE: If you have a Type-1 NIC the DB-9 transceiver plugs directly in.

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Loop Wire Concentrator

Used in creating an MCL loop configuration, this concentrator has an I/O port and 8 lobe ports. Units available in a 19" rack mountable panel and an optional fully enclosed stand-alone unit. The LWC-R is a unit that connects Radial Loop Stations to the 8100 loop.

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Token Ring Bridge / Router

The Local Token Ring Bridge is a stand-alone unit that can be used in conjuntiun with SynOptics Lattis-Ring workgroup hubs as well as other IEEE 802.5 and IBM compatible MAUs. The TokenMaster 1000 allows you to connect even the smallest remote Token Ring networks. It supports IPX, TCP/IP routing and source routing bridging.

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IBM Faceplates

These faceplates and surface mount boxes are used with IBM cables and connectors. The face plates mount directly on NEMP type electrical boxes. The surface boxes can be mounted with screws or incl. magnetic backing.

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IBM Surface Mount Boxes

These faceplates and surface mount boxes are used with IBM cables and connectors. The surface boxes can be mounted with screws or incl. magnetic backing.

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Distribution Panel

We offer distribution panels in various port sizes and cable mounting arrangements. These are 19" rack mountable, complete with rack ground kit, grounding tower and cable routing guides. If you wish to have a special unit made, our in-house manufacturing division can accommodate your needs.

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Distribution Patch Panels

These panels are 19" rack mountable and are used only for patching. They are not intended for grounding of type 1 and 2 cable runs. Available in many different port counts and configurations. Listed below are the most popular models.

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8 Port Distribution Panel

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Cmau 8 Port Coax MAU W/coax Ring In Ring Out

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16 Port Distribution Panel

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