Hook all of your satellite locations— no matter how small they are—into your X.25 or Frame Relay network.

Serial POS

terminal

X.25

X.25

PAD-2

PAD-2

 

Frame

 

Relay

CSU/DSU

CSU/DSU

Mainframe or

server

Back-office

PC

Specifications

Compliance: CE (EN55022,

EN 50082-1, EN 60950) Class A; FCC Class A, IC Class/classe A

Interfaces:

Channel 1 (to packet-switched synchronous link): MX320A-HS: ITU V.35

proprietarily pinned on

Flow Control: Channels 2 and 3: Hardware (DTR/CTS) or software (X-ON/X-OFF), user-selectable

Other Characteristics for

Channels 2 and 3:

Log-on messages: Herald and bulletin, user-definable;

Command modes: ITU X.28 (with proprietary extensions) and X.29;

Terminal handling: Enhanced, beyond the requirements of

Connectors:

(1)Left-side-mounted DB25 female for channel 1 (patch cable provided to M/34 female on MX320 models);

(2)Right-side-mounted RJ-45 female for channels 2 and 3;

(1)Front-mounted barrel jack for power

Temperature Tolerance: 32 to 122˚F (0 to 50˚C)

Power:

Through desktop power supply: Input: 100 to 250 VAC, 47 to 63 Hz (autosensing), at approximately 300 mA; Output: 5 VDC at up to 1.5 A; Consumption: 3.5 watts maximum

Size: 0.9"H x 2.1"W x 4.3"D (2.3 x 5.4 x 11 cm)

Weight: 3.3 oz. (90 g)

DB25, DTE; MX325A-HS: EIA/TIA RS-232/

ITU V.24/V.28, DTE; Channels 2 and 3 (to local async

devices): EIA/TIA RS-232/ ITU V.24/V.28 proprietarily pinned on RJ-45, DCE

Protocols:

Channel 1: Synchronous 1988 ITU X.25 LAP-B or Frame Relay; for Frame Relay, supports CCLM, LMI, and ANSI PVC management protocols, as well as ANSI T1.606, T1.617 Annex D, T1.618, and ITU Q.922 Annex A;

Channels 2 and 3: Asynchronous SLIP or X.28 (user-selectable)

Clock Source: Channel 1: Internal or external for receive and transmit paths, user-selectable

Data Rate:

Channel 1:

MX320A-HS: Up to 2 Mbps, user-selectable;

MX325A-HS: Up to 128 kbps, user-selectable;

Channels 2 and 3: 75 bps to 115.2 kbps, user-selectable

Data Format: Channels 2 and 3: 5, 6, 7, or 8 data bits; even, odd, mark, space, or no parity; 1, 1.5, or

2 stop bits; user-selectable

ITU X.3

Packet Size: Up to 4 KB for X.25 or 8 KB for Frame Relay

Maximum Distance:

Up to 50 ft. (15.2 m) to attached devices;

MX320A-HS: If unbalanced control leads aren’t required, transmission across 500 ft. (152.4 m) or more might be possible to/from Channel 1 only

Memory: 512 KB RAM

User Controls:

Top-mounted reset button;

(1)Internal board-mounted jumper for power-up settings

Indicators: (6) Top-mounted LEDs:

(1)POWER (lights green while unit is powered);

(1)ERROR (lights red if a hardware malfunction is detected);

(1)SYNC (lights or flashes green to show status of synchronization between linked PAD-2s);

(3)DATA (one for each channel—these light or flash yellow in response to data activity on the corresponding port)

Humidity Tolerance: Up to 90% noncondensing

Ordering Information

ITEM

CODE

X.25 PAD-2

 

V.35

MX320A-HS

RS-232

MX325A-HS

You might also need:

 

CSU/DSU MS

MT132A-R2

V.35 Cable, M/34 M/M (specify length)

EYN450-MM

RS-232 Cable (specify length)

 

DB25 M/F

ECM25C-MF

DB25 M/M

ECM25C-MM

CAT5 unshielded twisted-pair cable, RJ-45 M/M,

specify length

EYN737MS-MM

8-Wire Modular Adapter Kits (unassembled)

RJ-45 F↔DB9 F

FA065

RJ-45 F↔DB25 F

FA027

RJ-45 F↔DB25 M

FA025

Black Box offers the best warranty program in the industry—Fido Protection®. For more information, request FaxBack 22512.

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Black Box X.25 PAD-2 manual Compliance CE EN55022, Interfaces, Other Characteristics for Channels 2, Connectors, Protocols

X.25 PAD-2 specifications

The Black Box X.25 PAD-2 is a high-performance packet assembler/disassembler (PAD) designed to facilitate reliable communication over X.25 networks. It serves as an interface between X.25 networks and local area networks (LANs), enabling seamless data transfer and enhancing network performance. With its robust features and advanced technology, the PAD-2 is ideal for businesses requiring robust and secure data transmission.

One of the primary features of the Black Box X.25 PAD-2 is its support for multiple protocols. The device is compatible with various networking standards, enabling organizations to connect their existing infrastructure. This versatility reduces the need for extensive network reconfiguration while allowing for smooth, uninterrupted communication between different systems.

The PAD-2 employs advanced error detection and correction protocols. It ensures that data packets are accurately transmitted and received, minimizing the risk of data loss. This feature is crucial for mission-critical applications where data integrity is paramount. The device also supports automatic retransmission of lost packets, further enhancing its reliability.

In terms of connectivity, the Black Box X.25 PAD-2 offers multiple interface options, including standard RS-232 serial ports and Ethernet connections. This adaptability allows users to integrate the PAD-2 into various network configurations, whether they are utilizing legacy systems or contemporary networking solutions.

The PAD-2 boasts a user-friendly interface, featuring an easy-to-navigate management console that allows network administrators to configure settings, monitor traffic, and troubleshoot issues efficiently. This reduced complexity enhances operational efficiency and minimizes downtime, as network professionals can quickly implement modifications to optimize performance.

Security is another significant characteristic of the Black Box X.25 PAD-2. It provides encrypted data transmission, protecting sensitive information from unauthorized access and ensuring compliance with industry standards and regulations. This attention to security reassures businesses that their data remains secure while being transmitted over potentially public networks.

Additionally, the PAD-2's high throughput capacity supports heavy data traffic, making it suitable for organizations with high-volume communication needs. It can efficiently manage multiple simultaneous connections, ensuring that network demands are met without compromising performance.

In conclusion, the Black Box X.25 PAD-2 stands out as a vital tool for organizations reliant on X.25 networks. With its robust features, comprehensive protocol support, reliable data transmission capabilities, and secure architecture, the PAD-2 is an essential resource for enabling efficient and secure communication in today's data-driven environment.