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Vanguard Multiport 4520CP Controller User’s Guide 2-3
Technical Specification Overview
Technical Specification Overview
Table 2 provides a technical specification overview of the Vanguard Multiport con-
trollers.
Table 3 provides a brief overview of the synchronous capabilities of the Vanguard
Multiport controllers.
TABLE 2. Vanguard Multiport Controller Specifications
4520CP
Ports 4
Electrical Interface RS-232 standard
RS-422, RS-485 optional
Connector DB-25 DTE (male)
RJ-45 optional
Speed
full duplex,
simultaneously on all ports
async: 50–115.2 kbps
sync: 50–256 kbps
Start/Stop bits 1 and 2
Data bits 5, 6, 7, or 8 bits
Interrupt Level Assigned by OS
Flow
Control
Hardware: CTS/RTS
Software: XON/XOFF
Modem support Full support all lines
Modem control CD/DTR/DSR
I/O Buffer (per port) 128 Bytes send and receive
per port
Certification FCC Class A and CE