Technical information

2.3.3 CXY08 Asynchronous Multiplexer (8 Lines)
The CXY08 asynchronous multiplexer performs data concentration, real-
time processing, and interactive terminal handling. The CXY08 can operate
in either DHVll or DHUll mode, depending on the setting of an on-board
switch.
The CXY08 supports full modem control.
Functional Information
Supported line interfaces
Split-speed operation
Flow control (XONIXOFF)
Supported data formats
Modem control
Supported modems
Ordering Information
CXY08-AF
Performance
Transmit data transfers
EIA RS-423-AlCCITT V.10
EIA RS-232-D/CCITT V.28
DEC-423
All lines
All lines
16 programmable formats (each with 1 start bit)
• 5,6,7, or 8 data bits, 0 or 1 parity bit, and 1
stop bit
5 data bits, 0 or 1 parity bit, 1.5 stop bits
• 6, 7, or 8 data bits, 0 or 1 parity bit, and 2
stop bits
Parity, if enabled, can be either odd or even.
Full
Bell models 103, 113, 212
CXY08 field-installed kit. Includes two 3.7-
m (12-ft) BC19N-12 cable assemblies and other
accessories required to install the option.
• BC19N-12 cable assembly--concentrates four
ll-conductor cables with 25-pin male
D-connectors into one 44-connector cable ter-
minated by a 50-pin male CHAMP connector.
Single-character programmed transfers or up to
16-character block mode DMA transfers in DHVll
mode.
Option Specifications 2-31