Black Box MicroRACK RM208, Manual

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6
MicroCSU/DSU Cards and MicroRacks
1. Specifications
MicroCSU/DSUs (MT160A, MT161C-25, MT161C-V35)
DDS Type — Dedicated DDS
Transmission Format — Asynchronous, synchronous
Internal Interface — Connection to rack chassis via a 50-pin male card edge
External Interface — DB25 female, M/34 female, RJ-48S
Standards — AT&T 62310 compliant
DDS Line Rates — 2.4, 4.8, 9.6, 19.2, 56, and 64 Kbps
DTE Rates — 2.4, 4.8, 9.6, 19.2, 38.4, 56, 57.6, and 64 Kbps
Leads Supported — MT160A, MT161C-V35: B, C, D, E, F, H, L, M, N, P, R, S, T, U,
V, W, X, Y, AA; MT161C-25: 1–9, 11, 12, 14–18, 20, 21, 24, 25
Control Port — Configuration and diagnostics
Transmission Line — 4-wire
Applications — DDS point-to-point or multipoint; campus-area point-to-point
Indicators — (10) LEDs: POWER, TD, RD, CTS, CD, DTR, NS, OS, ER, and TM
Operation — Full duplex
Clocking — Internal, External, Recovered
Diagnostics — V.54 compliant local and remote loopback tests; V.52 compliant 511
BER test, telco CSU and DSU loops
Power Supply — Rackmount power supply is switchable between 120 and 240 VAC;
chassis supplies 10 VAC to the MicroCSU/DSU, typical consumption is 1.5W per
slot
Fuse — 400 mA for 120V applications; 200 mA for 240V applications
Operating Temperature — 32° to 114°F (0° to 45°C)