Black Box ME801-C, Manual

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CHAPTER 1: Specifications
1. Specifications
Compliance — FCC Part 15 Subpart J Class A,
IC Class/classe A
Interfaces — RS-232-C (DCE) to attached local device;
Proprietary balanced 4-wire to line
Protocol — Synchronous
Clock Source — Local internal (each SHM-B Sync unit
independently generates its own clock)
Operation — 4-wire full-duplex
Flow Control — Hardware (RTS and/or DTR), local only
(control signals are not passed across the
4-wire line—see
Section 5.2 ); transparent
to software (X-ON/X-OFF, etc.)
Data Rate — 19,200, 9600, 4800, 2400, 1200, or 600 bps
(user-selectable)
Maximum
Distance —
See the table in Appendix A
Loopback — Simultaneous local loopback to attached
RS-232 device and remote loopback to
remote SHM-B Sync (user-controllable)