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MODULAR FIBER CAMPUS DRIVER, MFCD PLUS
2. Introduction
2.1 Description
The Modular Fiber Campus Driver (ME621A) and the Modular Fiber Campus
Driver Plus (ME620A) are designed for high-speed RS-232 communication over a
single multi-mode fiber. Operating at up to 128 kbps synchronous and 19.2 kbps
asynchronous data rates, the ME621A is perfect for campus applications where
data integrity is a must. The ME620A is even faster at a bursty 256 kbps
synchronous or 38.4 kbps async. Synchronous clocking options include internal,
external, or receive recovered clock.
Both models feature swappable DCE-DTE interface modules. Available
interfaces include V.24/RS-232 (part number ME481C-232), V.35 (part number
ME481C-35), RS-422/530 (part number ME481C-422), X.21 (part number
ME481C-X21), WAN Bridge (part number ME530A), and G.703 (part number
ME481C-G703). Fiber connections are made using an ST interface.
The Campus Drivers also incorporate V.54 compliant local and remote
loopback test modes that are activated by a convenient front panel switch. LED
status indicators monitor interface data and control signals as well as test mode
status. Available with a universal AC power supply, the Campus Drivers
conveniently fit in a wide range of applications and power supply environments.
If any questions or problems arise during installation or use of the Modular
Fiber Campus Drivers, please call Black Box Technical Support at 724-746-5500.
2.2 Features
• ME621A: Synchronous data rates: 4.8 to 128 kbps; Asynchronous data rates:
0 to 19.2 kbps
• ME620A: Synchronous data rates: 2.4 to 256 kbps; Asynchronous data rates:
0 to 38.4 kbps
• Full-duplex operation over a single multi-mode fiberoptic cable
• Point-to-point distances up to 3 miles (4.8 km)
• Internal, external or receive recovered clocking options
• Field-replaceable DTE-DCE interface modules: V.24/RS-232, V.35,
RS-422/530, X.21 and G.703 (modules ordered separately)
