Black Box MX880A, Manual

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ASYNC/SYNC FIBER OPTIC MULTIPLEXOR
User Controls — (8): (2) Front-mounted pushbuttons: Local Loopback,
Remote Loopback; (6) Internal: (3) Jumpers: Number
of Channels, Clock Source, Connected/Disconnected
Grounds; (3) Rotary Switches: Synchronous Data
Rate/Asynchronous for Channels 1 through 3
Indicators — (4) Front-panel LEDS: Power, Test, Local Sync Loss,
Remote Sync Loss
Diagnostics — Local and remote digital loopback
Connectors — (9) Rear-mounted: (6) DB25 female; (1) Power inlet;
Units without “-ST” suffix: (1 TX, 1 RX) SMA 905
female;
Units with “-ST” suffix: (1 TX, 1 RX) ST ® female
Leads/Signals
Supported —
RS-232: 1, 2, 3, 4, 5, 6, 7, 8, 15, 17, 20, 24 (PGD, TXD,
RXD, RTS, CTS, DSR, SGD, DCD, TXCLK, RXCLK,
DTR, and EXTCLK respectively)
Power — From outlet over 5-ft. (1.5-m) detachable line cord:
Consumption: 8.5 VA maximum;
For 120-VAC, 60-Hz operation:
Input range: 115 VAC ±10%, 47 to 63 Hz;
For 240-VAC, 50-Hz operation:
Input range: 230 VAC ±10%, 47 to 63 Hz
Fuse — Slo-Blo: For 120 VAC: 0.2 A; For 240 VAC: 0.1 A
Temperature — 32 to 122˚F (0 to 50˚C)
Humidity — Up to 95%, noncondensing
Size — Standalone: 1.75"H x 13.3"W x 7.9"D (4.4 x 33.8 x 20 cm)
Rackmount: 1.75"H x 19"W x 7.9"D (4.4 x 48.3 x 20 cm)
Weight — Standalone: 3.5 lb. (1.6 kg)
Rackmount: 3.85 lb. (1.75 kg)