Specifications for the Data Broadcast Units

Flow Control: Software only, transparent to speed and data

Pins Supported:

TL158A-R4, TL158AE-R3: 4, 5, 6, 8, and 20;

TL159A: 2, 3, and 7

Protocol: Async

Speed: Transparent

User Channels: 8

CE Approval: TL158AE-R3

Interface: RS-232 (DTE/DCE)

Connectors:

TL158A-R4, TL158AE-R3:

(9)DB25 F; TL159A: (9) RJ-11 F

Indicators: (10) LEDs: PWR, Channels 1 through 8 active, COMP active

Power: TL158A-R4: Wallmount power supply, 115 VAC, 60 Hz @ 50 mA, 60 W;

TL158AE-R3: External power supply (IEC connector), 230 VAC, 50 Hz;

TL159A: Wallmount power supply, 120 VAC, 60 Hz, 6 W

Size: TL158A-R4, TL158AE-R3: 2.3"H x 12.2"W x 11.1"D (5.8 x 31 x 28.2 cm);

TL159A: 1.5"H x 5.5"W x 8.5"D (3.8 x 14 x 21.6 cm)

Weight: TL158A-R4, TL158AE-R3:

8.3lb. (3.8 kg); TL159A: 2.4 lb. (1.1 kg)

Specifications for the Buffered Data Broadcast Units

Buffer Size: 32 KB (expandable to 64 KB with optional TL484)

Data Format: Each port can be configured for 7 or 8 bits; odd, even, or no parity

Flow Control: Hardware or software, transparent to speed and data

Pins Supported: 1, 2, 3, 4, 5, 6, 7, 8, 20, and 22

Protocol: Async, ASCII

Speed: 110 bps to 19.2 kbps (port selectable)

User Channels: 4 (expands to 8)

CE Approval:

TL160A-R2, TL160AE-R2, TL160-C

Interface:

RS-232, DTE/DCE selectable

Connectors:

TL160A-R2, TL160AE-R2:

(5) DB25 F;

with TL160-C: (9) DB25 F

Indicators: (10) LEDs: (1) Power,

(9) Port Activity

Operating Environment:

Temperature: 32 to 113°F

(0 to 45°C); Humidity: Up to 95%

noncondensing

Mean Time Between Failures

(MTBF): TL160A-R2, TL160AE-R2:

20,000 hours;

with TL160-C: 16,000 hours

Power:

TL160A-R2: Wallmount power supply, 115 VAC, 60 Hz, 175 mA, 20 W;

TL160AE-R2: External power supply (IEC connector),

230 VAC, 50 Hz, 90 mA, 20 W

Size: TL160A-R2, TL160AE-R2: 2.3"H x 12.2"W x 11.1"D (5.8 x 31 x 28.2 cm)

Weight: TL160A-R2, TL160AE-R2:

7.5lb. (3.4 kg); TL160-C: 8.1 lb. (3.7 kg)

Specifications for the Parallel Data Broadcast/Fallback Unit

What’s Included

Data Format: Parallel, 8 bits

Flow Control: Busy, acknowledge busy

Speed: 40,000 characters per second

Switches: (1) Mode toggle switch, toggles between broadcast (BC) and fallback (FB)

NOTE: In fallback mode,

use identical parallel printers. The initialization string sent to the primary printer does not carry over to the secondary printer.

Interface: Centronics® and IBM® PC parallel compatible

Connectors: (3) DB25 F

Indicators: (6) LEDs: Power, Busy,

Port A, Port B, Broadcast Mode,

Fallback Mode

Power: Wallmount power supply, 115 VAC, 60 Hz

Size: 2.1"H x 6"W x 8.1"D (5.3 x 15.2 x 20.6 cm)

Weight: 2.1 lb. (1 kg)

All models include a power supply and a users’ manual.

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Black Box DB25 manual Specifications for the Data Broadcast Units, Specifications for the Buffered Data Broadcast Units

DB25 specifications

The Black Box DB25 is a versatile and essential connector known primarily for its applications in computer and telecommunications equipment. Characterized by its distinctive D-subminiature design, the DB25 connector has been a staple in the industry since the early days of computing. Its robust construction and reliability have made it a preferred choice for various devices where parallel data transmission is required.

One of the main features of the Black Box DB25 is its ability to handle a maximum of 25 pins, allowing for multiple data channels to be transmitted simultaneously. This configuration supports a variety of communication protocols, making it suitable for connecting printers, serial ports, network interface cards, and multiple peripheral devices. The connector's pin arrangement ensures ease of use while minimizing the chances of misalignment during connection.

The DB25 connector employs a robust locking mechanism that secures the connection, preventing accidental disconnection during operation. This feature is particularly beneficial in environments where devices are frequently connected and disconnected, or in situations that require long cable runs. The durability of the connector is further enhanced by its metal housing, which provides protection against physical damage and electromagnetic interference.

In terms of technology, the Black Box DB25 utilizes a traditional parallel communication scheme for data transfer. Although newer technologies have emerged, the DB25 remains relevant due to its simplicity and reliability. The connector supports data speeds typically up to 1 Mbps, which, while not competing with modern high-speed interfaces, is adequate for many legacy systems and applications.

Another characteristic of the Black Box DB25 is its compatibility with various cable types and assemblies. Users can find both shielded and unshielded versions of the DB25 cables, offering flexibility in terms of electromagnetic compatibility and protective measures against signal loss. The availability of male and female connectors further enhances its adaptability to various hardware configurations.

In conclusion, the Black Box DB25 connector is a reliable and durable solution for parallel data transmission needs. With its robust design, versatile applications, and compatibility with legacy systems, it continues to be a valuable asset for professionals in computing and telecommunications sectors, even amidst rapid technological advancements.