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K Service Source




Token Ring Products
K Service Source




Specifications
Token Ring Products
Specifications Token Ring 4/16 NB Card - 1


Token Ring 4/16 NB Card

Interface NuBus (bus master)


Processor Motorola 68000 microprocessor operating at 10 MHz


Memory 512K of RAM, expandable to 2.5 MB


Data Transfer Speed 4 or 16 Mbps


Power Requirements 1.5 A at 5 V


External Connector DE-9 (IBM Type 1 cable)
External adapters for Type 3 cable from third party
Specifications Token Ring 4/16 NB Card - 2

Chip Set IBM Token Ring


Application
Programming
Interface AppleTalk, Apple 3270 API, APPC verb interface


LLC Type 1 and Type 2


Routing Supports IBM source routing


Token Ring Address Burned-in or locally administered


Timers Response (T1), Acknowledge (T2), and Inactivity (Ti)
Specifications Token Ring 4/16 NB Card - 3

Other Card settings can be password-protected


Cable

Shielded twisted- Maximum distance from MAU to device (lobe length) = 300
pair: meters
Maximum distance between two MAUs (trunk length) = 200
meters
Maximum devices per ring = 260

Unshielded twisted- Maximum distance from MAU to device (lobe length) = 100
pair: meters
Maximum distance between two MAUs (trunk length) = 120
meters
Maximum devices per ring = 72


Approvals FCC class A; VDE
Specifications TokenTalk NB Card - 4


TokenTalk NB Card

Interface NuBus (bus master)


Processor Motorola 68000 microprocessor operating at 10 MHz


Memory 512K of RAM


Data Transfer Speed 4 Mbps


Application
Programming
Interface AppleTalk, Apple 3270 API, APPC verb interface
Specifications TokenTalk NB Card - 5

Power Dissipation 15 W


External Connector DE-9 (IBM Type 1 cable)
External adapters for Type 3 cable from third party
Specifications Token Ring NB/c Card - 6


Token Ring NB/c Card

Interface NuBus


Memory 64K SRAM, nonexpandable


ROM 32K ROM


Data Transfer Speed 4 or 16 Mbps, jumper selectable


Power Requirements 1.5 A at 5 V
Specifications Token Ring NB/c Card - 7

External Connector DE-9 (IBM Type 1 cable); 4 or 16 MB
External adapters for Type 3 cable from third party (4 MB
operation only)


Chip Set IBM Token Ring


LLC Type 1 and Type 2


Routing Supports IBM source routing


Token Ring Address Burned-in
Specifications Token Ring NB/c Card - 8

Type 1 Cable

Shielded twisted- Maximum distance from MAU to device (lobe length) = 300
pair: meters
Maximum distance between two MAUs (trunk length) = 200
meters
Maximum devices per ring = 260


Type 3 Cable (4 MB
only)

Unshielded twisted- Maximum distance from MAU to device (lobe length) = 100
pair: meters
Maximum distance between two MAUs (trunk length) = 120
meters
Maximum devices per ring = 72
Specifications Token Ring NB/c Card - 9

Approvals FCC class A
VDE
Specifications Apple Token Ring PCI Card - 10


Apple Token Ring PCI Card

Networking Supports a variety of popular networking protocols, including
Protocols AppleTalk, TCP/IP, IPX, SNA, and OSI


System One available PCI slot
Requirements IBM Type 3 cabling (unshielded twisted pair) or IBM Type 1
cabling (shielded twisted pair) with use of an external adapter
Industry-standard Token Ring Multistation Access Unit (MAU)


Connector Type RJ-45 connector for attaching to Type 3 cabling


Data Transfer Speed 4 or 16 Mbps
Specifications Apple Token Ring PCI Card - 11

Compatibility PCI 2.1 compatible, IEEE 802.5 and 802.2
Compatible with most systems that feature a PCI expansion slot,
including Power Macintosh 8500 and 9500 Series computers,
and Intel and DEC Alpha systems. Note: Currently, this card is
not compatible with the Power Macintosh 7200 model.


Token Ring
Controller IBM Token Ring chip set


Operating
Temperature 50--104