K Service Source
K Service Source
Specifications
Token Ring Products
Specifications |
Token Ring 4/16 NB Card - 1 |
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NuBus (bus master)
Motorola 68000 microprocessor operating at 10 MHz 512K of RAM, expandable to 2.5 MB
4 or 16 Mbps
1.5 A at 5 V
DE-9 (IBM Type 1 cable)
External adapters for Type 3 cable from third party
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Specifications |
Token Ring 4/16 NB Card - 2 |
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Chip Set |
IBM Token Ring |
Application
Programming
Interface
LLC
AppleTalk, Apple 3270 API, APPC verb interface
Type 1 and Type 2
Supports IBM source routing
Burned-in or locally administered
Response (T1), Acknowledge (T2), and Inactivity (Ti)
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Specifications |
Token Ring 4/16 NB Card - 3 |
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Other |
Card settings can be password-protected |
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Cable |
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Shielded twistedpair:
Unshielded twistedpair:
Maximum distance from MAU to device (lobe length) = 300 meters
Maximum distance between two MAUs (trunk length) = 200 meters
Maximum devices per ring = 260
Maximum distance from MAU to device (lobe length) = 100 meters
Maximum distance between two MAUs (trunk length) = 120 meters
Maximum devices per ring = 72
Approvals |
FCC class A; VDE |
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Specifications |
TokenTalk NB Card - 4 |
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Application
Programming
Interface
NuBus (bus master)
Motorola 68000 microprocessor operating at 10 MHz 512K of RAM
4 Mbps
AppleTalk, Apple 3270 API, APPC verb interface
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Specifications |
TokenTalk NB Card - 5 |
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Power Dissipation |
15 W |
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External Connector |
DE-9 (IBM Type 1 cable) |
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External adapters for Type 3 cable from third party |
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Specifications |
Token Ring NB/c Card - 6 |
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ROM
NuBus
64K SRAM, nonexpandable
32K ROM
4 or 16 Mbps, jumper selectable
1.5 A at 5 V