Description

FEATURES

• Transport Async data via Sync Channels
• Asynchronous DTE speeds to 115.2 Kbps
• Synchronous DCE port to 128 Kbps
• Bi-directional

DESCRIPTION

The DCB SAC-128 is a synchronous to asynchronous converter that supports asynchronous devices up to 115,200 bps. It allows asynchronous terminal devices to operate over synchronous communication links at speeds up to 128,000 bps. It operates in either point to point or multidrop mode with appropriate DSUs. A companion model, the SR-01, supports asynchronous devices over Frame Relay networks.

The SAC-128 is easy to install and operate. Controls on the unit include the loopback push button switch and an RS-232 management port used to set the asynchronous port speed. The minimum number of controls and comprehensive indicators of the SA-128 make installation and troubleshooting easy. Diagnostic aids built into the SAC-128 include LED indicators and loopback capabilities.

The synchronous communications network must provide clocking.

Applications for the SAC-128 include:

• Passing asynchronous composite data links through synchronous modems, TDM multiplexer ports, sync wireless radio links.
• Connecting asynchronous devices such as PC com: ports via synchronous DDS circuits, sync wireless radio links, satellite links, or synchronous modems.

Also consider the DA-56/64, an asynchronous DSU for 56 Kbps DDS lines. This is equivalent to having a SAC-128 with a built-in 56 Kbps DSU.

SPECIFICATIONS

General

• All ports are RS-232 (V.24), implemented in RJ-45 8-wire connectors (EIA/TIA-561 standard)
• Async rate: 9600, 19200, 38400, 57600, 115200 bps
• Sync port to 128 Kbps. External clocking required

Controls and Indicators

• Front panel push button for loopback and reset
• Side door accessible firmware cartridge for installing firmware upgrades
• Setup via the async RS-232 port, activated by the front panel push-button, or setup via rear panel management port
• Power, Activity, Line Error, Modem Ready, Setup, Loopback LEDs

Physical/Electrical

Power requirements: 120 VAC, wall mount power supply, 60 Hz, 18 Watts
Optional power supplies available for 12, 24, -48, 72, 120 VDC or 240VAC
10 1/4″ x 9 3/4″ x 2 1/4″
One pound

Rear view of SAC-128

APPLICATION

How to Order