Description
Technology Concepts LineLink 144e External Modem for Mac 14.4 Kbps RJ-11C
The Technology Concepts LineLink 144e is an external 14.4 Kbps dial-up modem designed for Apple Macintosh computers. It connects to the Mac's DB-25 serial port and interfaces with the standard telephone network via RJ-11C jacks, providing voice-call passthrough via a dedicated PHONE port and direct line connection via the LINE port. The unit was manufactured in the USA by Prometheus Products, Inc. of Tualatin, Oregon.
Specifications & What's Included
- Model: LineLink 144e (LineLink 14.4 for Mac)
- Manufacturer: Technology Concepts, Inc. / Prometheus Products, Inc.
- Maximum Data Rate: 14.4 Kbps
- Serial Interface: DB-25 (Macintosh serial)
- Telephone Jack: RJ-11C
- REN (Ringer Equivalence Number): 0.7b
- Rear connectors: PWR rocker switch, DB-25 serial port, PHONE jack (RJ-11C), LINE jack (RJ-11C)
- Front panel status LEDs: AA (Auto Answer), CD (Carrier Detect), OH (Off Hook), IO, MR (Modem Ready) — 4 red, 1 green
- FCC ID: DLFPRM0106-144E
- FCC Registration Number: DLFUSA-65747-FA-E 0.7b
- Complies with FCC Part 15 and Part 68
- Country of Manufacture: United States
- Form Factor: Desktop external unit, white plastic enclosure
- Included: Modem unit only — no power adapter, serial cable, or software
Applications
The LineLink 144e belongs to a generation of external serial modems produced in the early-to-mid 1990s specifically for the Macintosh platform. At that time, the Mac used a proprietary DB-25 serial port (rather than the RS-232 PC standard), and modem makers like Technology Concepts produced Mac-specific external units to match. These modems were used for dial-up internet access via early ISPs, bulletin board systems (BBS), fax transmission, and remote access — the primary means of online connectivity before broadband became common. The 14.4 Kbps V.32bis standard this modem represents was the mainstream dial-up speed of the early 1990s before V.34 (28.8 Kbps) superseded it around 1994–1995. Today these units are collected by vintage Mac enthusiasts and retro-computing hobbyists running period-correct Macintosh setups, or used in demonstration/restoration contexts where original dial-up connectivity is desired.
This Technology Concepts LineLink 144e external Mac modem has been inspected and appears to be in good used condition. The white plastic enclosure shows light shelf wear typical of older equipment, with no cracks or significant cosmetic damage visible. The rear panel connectors — DB-25 serial port and both RJ-11 jacks — appear clean and intact. The unit has not been powered up or tested at our facility, but it was pulled from a working environment where it was previously in use. Please review all photos and contact us with any questions before purchasing.
Warranty Information
Additional Information
Brand: |
Technology Concepts, Inc. |
Model: |
LineLink 144e |
MPN: |
144e |
Type: |
External Dial-Up Modem |
FCC ID: |
DLFPRM0106-144E |
FCC Registration Number: |
DLFUSA-65747-FA-E 0.7b |
SKU: |
42155 |
Seller Notes: |
Modem unit only — no power adapter, cables, or software included. |
Compatible With: |
Apple Macintosh (Mac) computers with DB-25 serial port |
Data Rate: |
14.4 Kbps |
Interface Type: |
DB-25 Serial (Mac) |
Connector Type: |
DB-25 serial; RJ-11C (PHONE and LINE) |
Jack Type: |
RJ-11C |
REN: |
0.7b |
FCC Rules Compliance: |
Part 15 and Part 68, FCC Rules |
Country/Region of Manufacture: |
United States |
Manufacturer: |
Prometheus Products, Inc., Tualatin, OR 97062 |
Form Factor: |
Desktop / External |
Status Indicators: |
5 LEDs: AA, CD, OH, IO, MR |
Power: |
External power adapter (PWR switch on rear) |
Condition Notes: |
This Technology Concepts LineLink 144e Mac modem is in good used condition with light shelf wear. Connectors appear clean and intact. Not tested at our facility but pulled from a working environment. Please contact us with questions. |
California Prop 65 Warning: |
WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov |
