Black Box ME375A-R2, User Manual

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8
ASYNC/SYNC 2-WIRE SHORT-HAUL MODEMS
User Controls — (5) Front-mounted:
(4) Pushbuttons: DIG (local digital loopback), ANA
(local analog loopback), REM (remote digital
loopback), and PATT (test pattern);
(1) Recessed RESET switch;
(6) Internal:
(1) 7-position DIP switch for protocol, data format,
and signaling options;
(1) Rotary switch for data rate;
(4) Jumpers for clock source, loopback testing, and
ground connection
Diagnostics — V.54-compliant loopback tests:
Local analog loopback (switch- or signal-triggerable);
Local digital loopback (switch-triggerable);
Remote digital loopback (switch- or signal-triggerable)
Indicators — (8) Front-mounted LEDs: PWR (power), RTS, TD, RD,
DCD, LOS (loss of signal), ERR (error), and TEST
Connectors — ME375 models: (1) RJ-45 female, (1) 3-clip terminal
block, and (1) DB25 female;
ME376 models: (1) RJ-45 female, (1) 3-clip terminal
block, and (1) 34-pin M-block female
Leads/Signals
Supported —
See the Appendix
Power — From internal power supply through included or
alternate 5-ft. (1.5-m) power cord:
ME375A-R2, ME376A-R2:
Input: 103.5 to 131.5 VAC, 47 to 63 Hz;
ME375AE-R2, ME376AE-R2:
Input: 207 to 253 VAC, 47 to 63 Hz;
Consumption: 5 VA