Because RFL™ and Hubbell® have a policy of continuous product improvement, we reserve the right to change designs and specifications without notice.
RFL DA-191A RFL Electronics Inc.
July 23, 2001 1 (973)
334-3100
RFL Electronics Inc.
I N S T R U C T I O N D A T A
RFL DA-191A Asynchronous Data Channel Module
DESCRIPTION
This Instruction Data Sheet describes the setup and installation procedures for the DA-191A
Asynchronous Data Module. The DA-191A is a four-port data module, designed for use in Terminal
and Drop/Insert Multiplexers. The module provides transmission of one to four asynchronous data
channels over T1 or E1. The maximum data rate is 19.2 kbps for one or two channel operation, and 9.6
kbps for four channel operation. The module uses one or two time slots depending on the number and
data rates of the channels being transmitted.
User-adjustable switches allow the configuration of the following parameters:
• Maximum data rate
• Single or double time slot usage
• Transmit/receive direction for drop and insert operation
• T1 or E1 (2 Mbps) system compatibility
• Time slot selection
• Data loopback for testing
• Local or remote control access
• Remote control access address
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