Apple Ethernet transceivers and cables
| Apple Ethernet transceivers and cables | |
|---|---|
.jpg){kind=spacer} |
|
| An Apple Ethernet Thin Coax Transceiver (model M0329) with its AAUI cable, and an Apple thin coax cable (photo: Bollinger, public domain) | |
| Manufacturer | Apple Computer |
| Type | Ethernet transceivers, adapter, hub and cables |
| Release date | 1991 |
| Interface | Apple Ethernet port (AAUI) |
| Compatible | Macintosh models and LaserWriter printers with a built-in Apple Ethernet port, and the Apple Ethernet NB, LC and CS AAUI cards |
| Model | M0329, M0437, M0432, M3351Z/A |
| Connectivity | 10BASE2 thin coax, 10BASE-T twisted pair, IEEE 802.3 AUI |
The Apple Ethernet transceivers and cables are the media adapters, hub and cables of the Apple Ethernet Cable System. Apple's computers and cards with built-in Ethernet have an Apple Ethernet port (AAUI) and no network connector of their own; a transceiver plugs into the port and connects to thin coax or twisted-pair cable, and an adapter connects it to a standard 15-pin AUI transceiver for other media.[1][2] Apple described the self-terminating cabling as new in August 1991.[3] Apple's articles also call the system FriendlyNet.[4][5]
| Product | Order number | Medium |
|---|---|---|
| Apple Ethernet Thin Coax Transceiver | M0329LL/A, later M0329Z/B | 10BASE2 thin coax |
| Apple Ethernet Twisted-Pair Transceiver | M0437LL/A, later M0437Z/B | 10BASE-T twisted pair |
| Apple Ethernet AUI Adapter | M0432LL/A | Standard AUI (thick coax, fibre and other media) |
| Apple Ethernet 10T/5 Workgroup Hub | M3351Z/A | 10BASE-T, four ports |
| Apple Ethernet 5-meter Thin Coax Cable | M0833LL/A | 10BASE2 |
| Apple Ethernet 13-meter Thin Coax Plenum Cable | M0436LL/A | 10BASE2 |
| Apple Ethernet Twisted-Pair Cable, 3 m, 7 m and 15 m | M3348Z/A, M3349Z/A, M3350Z/A | 10BASE-T |
Order numbers are from Apple's Tech Info Library.[1][6][7]
Apple Ethernet port (AAUI)
[edit | edit source]The Apple Ethernet port, or Apple Attachment Unit Interface (AAUI), is a 14-position connector with contacts on a 0.050-inch pitch. Its signals have the same function and electrical requirements as the AUI signals of the same name in IEEE 802.3; only the power pins differ.[8] The plug locks with two hooks on the sides of its shell and is released by sliding back a sheath over the plug body.[9]
| Pin | Signal | Description | Standard AUI pin |
|---|---|---|---|
| 1 | FN Pwr | Power, +12 V at 2.1 W or +5 V at 1.9 W | 13 (Voltage Plus) |
| 2 | DI-A | Data In circuit A | 5 |
| 3 | DI-B | Data In circuit B | 12 |
| 4 | VCC | Voltage common | 6 (Voltage Common) |
| 5 | CI-A | Control In circuit A | 2 |
| 6 | CI-B | Control In circuit B | 9 |
| 7 | +5V | +5 V from host | – |
| 8 | +5V | Secondary +5 V from host | – |
| 9 | DO-A | Data Out circuit A | 3 |
| 10 | DO-B | Data Out circuit B | 10 |
| 11 | VCC | Secondary voltage common | – |
| 12, 13 | NC | Reserved | – |
| 14 | FN Pwr | Secondary +12 V at 2.1 W or +5 V at 1.9 W | – |
| Shell | Protective ground | Protective ground | 4, 8, 11, 14 (shields) |
The AAUI pinout is Apple's article of March 1996; the AUI column is from Apple's article on AUI equivalents, which notes that AUI pins 1, 7 and 15 are not used on AAUI.[8][10]
Keep the AAUI cable short. Apple's note on the Ethernet NB Card gives 1.5 m as the limit. Apple's AUI article allows up to 50 m when the far end is a 10BASE5 transceiver, but 1.33 m for 10BASE2.[11][10] Pins 1 and 14 carry +12 V at 2.1 W or +5 V at 1.9 W, depending on the host. A standard AUI transceiver needs +12 V at 500 mA, which is why the AUI Adapter has its own supply.[8][10]
Built-in Apple Ethernet ports are on the Power Macintosh, most Macintosh Quadra and Centris models, the PowerBook 500 series and the LaserWriter Pro 630 and LaserWriter IIg. Cards with the port are the Apple Ethernet NB, Ethernet LC and Ethernet CS AAUI cards; see Apple Ethernet cards.[7]
Ethernet Thin Coax Transceiver
[edit | edit source]The Apple Ethernet Thin Coax Transceiver connects an Apple Ethernet port to 10BASE2 thin coax. It has two BNC sockets in place of the usual T-connector. When either socket is empty the transceiver terminates the cable itself; when cables are plugged into both, it does not. Any thin coax cable works with it, Apple or not.[12] It is an FCC Class B device and carries its own FCC ID.[13] The transceiver in the infobox photograph carries the label "Model No. M0329".
Because the transceiver terminates any free socket, it does not suit drop wiring in which the cable runs out from a wall plate to the computer and back. With AMP's Thinnet tap system, both ends of the drop reach the user, and a transceiver with one end free adds a third termination. Apple's answer was AMP's 222814-1 Test Cable Assembly, which plugs into both sides of the transceiver.[14] For DEC-style loop drops, Apple advised against opening one side of the transceiver with a barrel connector, and named a UNICOM AAUI thin coax transceiver with a single, non-terminating BNC socket.[15]
Ethernet Twisted-Pair Transceiver
[edit | edit source]The Apple Ethernet Twisted-Pair Transceiver connects an Apple Ethernet port to a 10BASE-T hub through an RJ-45 socket. It ships with an eight-conductor cable, but 10BASE-T uses only four of the conductors:[16]
| Pin | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
|---|---|---|---|---|---|---|---|---|
| Signal | TD+ | TD− | RD+ | Not used | Not used | RD− | Not used | Not used |
The transceiver is an FCC Class A device. It carries the FCC interference statement but has no FCC ID of its own.[13] Its green light is on while there is a powered link to the hub and blinks off as data passes; the 10T/5 Workgroup Hub's port lights work the same way.[17][18]
The transceiver always sends the 10BASE-T link integrity ("link beat") signal, and it cannot be switched off. Hubs built before the 10BASE-T standard was finished often do not handle link integrity, so the transceiver will not work with them; Apple's suggestion was a third-party card that can disable it, or Asanté's 10T MAU on the AUI Adapter, which has a switch for it.[4][19] It is also not interchangeable with Farallon's PhoneNET EN, which is not 10BASE-T compliant even though the plugs fit. To join a Farallon EN network, Apple specified the AUI Adapter with its power supply.[17]
Ethernet AUI Adapter
[edit | edit source]The Apple Ethernet AUI Adapter converts the Apple Ethernet port to a standard IEEE 802.3 AUI, so that any external transceiver can be used. Apple sold it for thick coax, fibre and other media for which there was no AAUI transceiver.[2][1] A standard AUI transceiver needs +12 V DC at 500 mA, which not all Apple equipment can supply, so the adapter has its own power supply.[10][20] The FCC treats the adapter as a power supply; it is within the Class A limits but cannot be certified and carries no FCC label.[13]
For a fibre network, Apple's 1992 advice was the adapter with a third-party fibre transceiver on a standard AUI cable; Allied Telesis, Black Box and Canary are the vendors it names.[21]
Ethernet 10T/5 Workgroup Hub
[edit | edit source].png)
The Apple Ethernet 10T/5 Workgroup Hub (M3351Z/A) is a five-port 10BASE-T repeating hub that also does the job of a transceiver. Its AAUI cable plugs into the Apple Ethernet port of one Macintosh or LaserWriter, which is both a member of the network and the hub's power source, and its four RJ-45 ports take other 10BASE-T devices. It can also extend an existing 10BASE-T network by four devices from one wall outlet.[7][22] The box holds the hub, its Expansion Adapter and the user's guide.[7]
Power comes over the AAUI cable from the host, or from the optional external adapter, which is the same unit as the AC Adapter for the QuickTake 100 (M2851LL/A). With the adapter fitted, the hub keeps running when the host is switched off, and if both are connected the external adapter powers it. The only way to remove power completely is to unplug both the AAUI cable and the adapter.[18][22] When the hub is first connected, all its lights flash once.[22]
Each twisted-pair segment can be up to 100 m of Category 3 or Category 5 cable.[22] To join two 10T/5 hubs, use standard twisted-pair cable with the Expansion Adapter at one end; never two Expansion Adapters on one cable. To join another make of hub, use its uplink port with a standard cable, or a standard port with the Expansion Adapter or a crossover cable, but not both. No packet may pass through more than four repeating hubs between any two points on the network.[22][23] Beyond four hubs the network still works but degrades with collisions, runts and fragments, worst in the middle of the topology.[18]
The hub dissipates 1.9 W at most and 1.5 W on average, and is rated for 10 to 40 °C.[7]
Ethernet cables
[edit | edit source]Thin coax cables
[edit | edit source].jpg)
Apple's thin coax cables came in two fixed lengths: the Apple Ethernet 5-meter Thin Coax Cable (M0833LL/A) and the Apple Ethernet 13-meter Thin Coax Plenum Cable (M0436LL/A).[6] Each end holds a terminator, which is applied when nothing is connected to that end. A network made from these cables and Apple transceivers needs no separate terminators.[12][3] The ends cannot be removed, which makes the cables awkward to pull through walls.[9]
Standard RG-58 thin Ethernet cable also works with the Apple transceivers.[12] On a network built with standard cable and T-connectors, fit a terminator at each end in the usual way.[3] Thin Ethernet terminators must be 50 ohms, rated at about 0.25 W; a 75-ohm terminator upsets the whole network.[24] Apple's figures for 10BASE2 are a 185 m segment, 30 nodes per segment and at least 0.5 m between nodes.[25] With Apple's transceivers and cables Apple allowed 40 nodes per segment, because of their tighter specifications and short fixed host cables; with standard RG-58 cable the limit falls back to 30.[10]
An older EtherTalk NB card at the end of a segment uses a BNC T-connector. Fit a terminator to the open side of the T, or an Apple cable whose far end is left free.[12]
Twisted-pair cables
[edit | edit source]The Apple Ethernet Twisted-Pair Cable came in 3 m (M3348Z/A), 7 m (M3349Z/A) and a third length under M3350Z/A. Apple's hub specification sheet gives that as 15 m; the hub's user's guide prints 13 m.[7][22] Any Category 3 or Category 5 10BASE-T cable can be used, up to 100 m per segment.[22]
Faults
[edit | edit source]| Symptom | Probable cause | Action |
|---|---|---|
| "Could not switch to EtherTalk due to an error" appears at once | Missing or damaged EtherTalk software | Reinstall the Ethernet or system software[26] |
| The same error after 3 to 8 seconds | Network fault: loose or faulty transceiver, wrong hub port configuration or a bad cable | Zap PRAM, then disconnect and reconnect the transceiver or cable, and check the hub port and wiring[26] |
| "An error occurred while trying to install the selected AppleTalk connections"; the built-in LocalTalk port is used instead | The Ethernet driver's third loopback test runs through the external network and fails if any part of it is missing, including a 10BASE-T link to a hub | Connect the transceiver before starting the computer, and make sure the twisted-pair transceiver has a live hub link[27] |
| Twisted-pair transceiver gets no link to an old hub | The hub predates 10BASE-T and does not handle link integrity | Use a 10BASE-T hub, or a card or AUI transceiver that can disable link integrity[4][19] |
| Twisted-pair transceiver connected to Farallon PhoneNET EN equipment does not work | PhoneNET EN is not 10BASE-T compliant | Use the AUI Adapter and power supply[17] |
| Thin coax network unreliable after adding a T-connector machine or a wall drop | Too many or too few terminations | Count the terminations: one at each end of the segment only. Do not open a transceiver socket with a barrel connector[12][14][15] |
| Collisions above 1 per cent of traffic, or CRC errors above 2 per cent | Faulty cable, transceiver or network interface; CRC errors that cannot be traced to one station point to the cabling, connectors or grounding of thin coax | Remove devices one at a time until the errors stop; the last device removed is the suspect[28] |
| 10T/5 hub: all port lights off | No power | Check that the host on the AAUI cable is switched on, or that the external adapter is plugged in[22] |
| 10T/5 hub: the host on the AAUI cable cannot be seen, but the devices on the RJ-45 ports can | Faulty AAUI connector or cable | Try another hub[22] |
Related pages
[edit | edit source]- Apple Ethernet cards
- Apple LocalTalk cabling
- Apple LocalTalk to Ethernet Bridge
- Apple LaserWriter IIg
- Apple QuickTake 100 (its AC adapter powers the 10T/5 hub)
- Apple Ethernet 10T/5 Workgroup Hub User's Guide
References
[edit | edit source]- ↑ 1.0 1.1 1.2 Apple Computer, Tech Info Library article 10274, Apple Ethernet NB Card: Description (Discontinued), created 26 May 1992, revised 7 June 1994, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the Apple Ethernet port and Apple Ethernet Cable System media adapters for thin coax, thick coax and unshielded twisted pair; IEEE 802.3 compliance; order numbers M0432LL/A (AUI Adapter), M0329LL/A (Thin Coax Transceiver), M0833LL/A (5-metre self-terminating cable), M0436LL/A (13-metre plenum cable) and M0437LL/A (Twisted-Pair Transceiver).
- ↑ 2.0 2.1 Apple Computer, Apple Facts, October 1994, "Apple Cables and Cards", networking section, pp. 138-141, archive.org item applefacts10.94ocr (retrieved 2026-10-04). Supports: the Apple Ethernet port on the Centris 650, Quadra and Power Macintosh models (not the Quadra 605 and 630), the Workgroup Servers and the LaserWriter Pro; choosing a transceiver to match the cabling; the Twisted-Pair Transceiver, Thin Coax Transceiver and AUI Adapter and what each connects to; the 10T/5 Workgroup Hub with one Apple AUI connector and four RJ-45 connectors and an optional external power adapter.
- ↑ 3.0 3.1 3.2 Apple Computer, Tech Info Library article 8902, Ethernet: Apple's New Cabling Is Self-Terminating, created 12 August 1991, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf. Supports: Apple's Ethernet cabling being self-terminating, so the ends of the backbone need no terminators; standard thin Ethernet cabling needing a terminator at both ends.
- ↑ 4.0 4.1 4.2 Apple Computer, Tech Info Library article 9978, FriendlyNet 10Base-T: Won't Switch Among IEEE 802.3 Draft Modes, created 25 March 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: hubs made before the standard lacking the Link Integrity function; no way to disable it on Apple's FriendlyNet 10BASE-T transceiver or on compatible third-party transceivers; a third-party 10BASE-T card as the only solution.
- ↑ Apple Computer, Tech Info Library article 9630, Desktop Network Troubleshooting (10/94), revised 17 February 1997, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the Apple Ethernet transceiver, "often referred to as a friendly-net connector", in Thin Coax (M0329LL/A) and Twisted Pair (M0437LL/A) versions.
- ↑ 6.0 6.1 Apple Computer, Tech Info Library article 13725, Ethernet and Twisted-Pair NB Card: Specifications (10/93), created 21 October 1993, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: ordering information for the Thin Coax Transceiver (M0329Z/B), Twisted-Pair Transceiver (M0437Z/B), AUI Adapter (M0432LL/A), 5-meter Thin Coax Cable (M0833LL/A) and 13-meter Thin Coax Plenum Cable (M0436LL/A).
- ↑ 7.0 7.1 7.2 7.3 7.4 7.5 Apple Computer, Tech Info Library article 16581, Ethernet 10T/5 Workgroup Hub: Description & Tech Specs (2/95), created 21 October 1994, reviewed 15 February 1995, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the five-port hub with four RJ-45 connectors and an Apple Ethernet port, the hosts it works with, the Expansion Adapter and a recommended maximum of four hubs, IEEE 802.3 compliance, four LEDs, 10 to 40 °C, 1.9 W maximum and 1.5 W average; order numbers M3351Z/A (hub), M3348Z/A, M3349Z/A and M3350Z/A (twisted-pair cables of 3, 7 and 15 metres) and M2851LL/A (power adapter, also used with the QuickTake 100).
- ↑ 8.0 8.1 8.2 Apple Computer, Tech Info Library article 8863, Ethernet: AAUI Connector Pinouts (3/96), created 16 September 1991, reviewed 5 March 1996, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf. Supports: the 14-position 0.050-inch ribbon contact connector on Quadra computers, the Ethernet NB Card and the LaserWriter IIg; its pin assignments; AAUI signals matching the AUI signals of IEEE 802.3-1990 section 7.
- ↑ 9.0 9.1 Wikipedia, Apple Attachment Unit Interface (retrieved 2026-10-04). Supports: the FriendlyNet name; the latching hooks and sliding sheath; Apple 10BASE2 cables coming in fixed lengths with ends that cannot be detached; problems when Apple and non-Apple 10BASE2 parts are mixed.
- ↑ 10.0 10.1 10.2 10.3 10.4 Apple Computer, Tech Info Library article 9980, AAUI: Pinout Equivalents to AUI, created 31 March 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the AUI pin for each AAUI pin; AAUI cable up to 50 m for 10BASE5 and 1.33 m for 10BASE2; external power needed because not every Macintosh has +12 V; FriendlyNet supporting 40 nodes per 10BASE2 segment against 30 in the standard, with tighter MAU and coaxial cable specifications and a short fixed host cable; the AAUI-to-AUI converter needing external power because Apple equipment cannot all supply +12 V DC at 500 mA.
- ↑ Apple Computer, Tech Info Library article 7914, Apple Ethernet NB Card: Power Consumption, created 9 July 1991, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf. Supports: the card's draw of 1.165 A including an external AAUI transceiver; AAUI cabling no longer than 1.5 m.
- ↑ 12.0 12.1 12.2 12.3 12.4 Apple Computer, Tech Info Library article 9149, Ethernet NB Card: Cables, Connections, Termination (11/94), created 17 October 1991, reviewed 29 November 1994, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf. Supports: termination by the Thin Coax Transceiver when one or both BNC connectors are free and not when both are used; the 5-meter Thin Coax Cable and 13-meter Plenum Cable having terminators at each end, applied at an end with nothing attached; an EtherTalk NB card at the end of a network needing a terminator on its T-connector, or an Apple cable with its far end free; non-Apple coax with the Apple transceiver, Apple coax with the EtherTalk NB card, and both cards mixing on one network.
- ↑ 13.0 13.1 13.2 Apple Computer, Tech Info Library article 17240, Apple EtherNet AUI Adapter: Not FCC Certifiable (2/95), created 21 February 1995, in the archive.org collection APPLE_TIL_ARTICLES, file TIL17065_to_TIL60496.pdf. Supports: the AUI Adapter counted as a power supply by the FCC, within Class A limits but not certifiable and carrying no FCC label; the Thin Coax Transceiver being Class B with an FCC ID; the Twisted-Pair Transceiver being Class A with the interference statement but no FCC ID of its own.
- ↑ 14.0 14.1 Apple Computer, Tech Info Library article 9976, AMP Thinnet and FriendlyNet, created 25 March 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: too many terminations, or reflections with a barrel connector, when a FriendlyNet transceiver is used with AMP's Thinnet tap system; AMP's 222814-1 Test Cable Assembly as the solution.
- ↑ 15.0 15.1 Apple Computer, Tech Info Library article 12638, Transceiver Without Termination (7/93), created 19 July 1993, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: UNICOM Electric's AAUI 10BASE2 transceiver with a single non-self-terminating BNC connector; Apple's advice not to use a barrel connector to open one side of the Apple transceiver.
- ↑ Apple Computer, Tech Info Library article 12556, Apple Ethernet Twisted Pair Transceiver (7/93), created 7 July 1993, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the transceiver shipping with an eight-conductor RJ-45 cable; 10BASE-T needing four conductors; the RJ-45 pin assignments.
- ↑ 17.0 17.1 17.2 Apple Computer, Tech Info Library article 9366, LaserWriter IIg: Configure for Twisted Pair Ethernet (5/95), created 25 November 1991, reviewed 4 May 1995, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf. Supports: the green light on the twisted-pair transceiver flashing; the LaserWriter IIg switch set to 0 for AppleTalk Ethernet; the Apple Twisted Pair Transceiver being 10BASE-T compliant and the Farallon PhoneNET EN not; the Apple Ethernet AUI Adapter and power supply (M0432) as the correct part for that network.
- ↑ 18.0 18.1 18.2 Apple Computer, Tech Info Library article 16728, Ethernet 10T/5 Workgroup Hub: Cascade Use & Other Items (11/94), created 10 November 1994, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the hub being a 10BASE-T repeating hub with a cascade limit of four; the green port lights working like those on Apple's Ethernet transceivers, on with a powered link and blinking off on data; 100 m of cable between hubs; power from the computer on the AAUI connector or from the optional external supply, which takes over when both are connected.
- ↑ 19.0 19.1 Apple Computer, Tech Info Library article 9845, LaserWriter IIg: Link Signals on 10Base-T, created 27 February 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: no option to turn off link beat on the Ethernet NB card or the LaserWriter IIg with the 10BASE-T transceiver; Asanté's 10T MAU with a 15-pin AUI port, an RJ-45 port and switches for link integrity and SQE, usable with the thicknet transceiver option.
- ↑ Apple Computer, Tech Info Library article 10046, AUI Adapter: Requires Its Own Power Supply, created 3 April 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the FriendlyNet AUI adapter needing a power supply because not all Macintosh models can provide the +12 V DC of the 802.3 specification.
- ↑ Apple Computer, Tech Info Library article 9783, FriendlyNet: Fiber-Optic Transceivers, created 11 February 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: no FriendlyNet fibre transceiver at the time; a fibre transceiver attached through the FriendlyNet thicknet transceiver and a standard AUI cable; Allied Telesis, Black Box and Canary as vendors.
- ↑ 22.0 22.1 22.2 22.3 22.4 22.5 22.6 22.7 22.8 Apple Computer, Apple Ethernet 10T/5 Workgroup Hub User's Guide (1994). Hosted as File:Apple Ethernet 10T-5 Workgroup Hub User's Guide (1994).pdf; see Apple Ethernet 10T/5 Workgroup Hub User's Guide. Pages as cited: p. 1 (part of the Apple Ethernet Cable System; repeater or concentrator); p. 2 (box contents); p. 3 (compatible cards and transceivers; Category 3 or 5 cable, 100 m per segment; twisted-pair cables M3348Z/A, M3349Z/A and "13-meter" M3350Z/A; Expansion Adapter or crossover cable to a hub without an uplink port; the AC Adapter for QuickTake 100, M2851LL/A, also called the Apple Low-Power AC Adapter); pp. 6-8 (power from the AAUI device or adapter, all lights flash once at connection, unplugging both to remove power, connecting hubs); pp. 9-10 (troubleshooting); p. 11 (specifications, FCC Class A). PDF pp. 3-8.
- ↑ Apple Computer, Tech Info Library article 18640, Cascading the Ethernet 10T/5 Workgroup Hub (9/95), created 25 September 1995, in the archive.org collection APPLE_TIL_ARTICLES, file TIL17065_to_TIL60496.pdf. Supports: connecting to the uplink port of a parent hub, or to a regular port with a crossover cable or two cables joined by the Expansion Adapter; the four-hub limit.
- ↑ Apple Computer, Tech Info Library article 5681, Ethernet: Terminator Specifications, last reviewed 1 June 1990, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf.
- ↑ Apple Computer, Tech Info Library article 1923, Ethernet: Cable and Network Specifications, last reviewed 7 January 1988, in the archive.org collection APPLE_TIL_ARTICLES, file TIL00001_to_TIL09432.pdf. Supports: 10BASE5 and 10BASE2 cable, segment length, span, nodes per segment and node spacing.
- ↑ 26.0 26.1 Apple Computer, Tech Info Library article 16452, Ethernet: Could Not Switch to EtherTalk Error (1/96), created 6 October 1994, reviewed 4 January 1996, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: an immediate error pointing to software and a delay of 3 to 8 seconds pointing to the network; the causes listed (inactive network, AppleTalk off, a loose or faulty transceiver, hub port configuration, a bad cable, missing drivers, a damaged System file, a third-party disk driver); zapping PRAM and reconnecting the transceiver or cable.
- ↑ Apple Computer, Tech Info Library article 9539, Ethernet Transceivers: Require Hub Termination, created 13 January 1992, in the archive.org collection APPLE_TIL_ARTICLES, file TIL09433_to_TIL17062.pdf. Supports: the error message; plugging in the transceiver before starting the Macintosh; the driver's three loopback tests, the third through the external network; a 10BASE-T link to a hub being needed before the driver enables the network.
- ↑ Apple Computer, Tech Info Library article 20269, Physical Layer Ethernet Errors (8/96), created 8 August 1996, in the archive.org collection APPLE_TIL_ARTICLES, file TIL17065_to_TIL60496.pdf. Supports: collisions above one per cent and CRC errors above two per cent needing attention; their usual causes; frame length errors; isolating faults by removing devices.