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CHAPTER 2: Introduction
2.1 LAN-Interface Overview
The Remote MiniBridge comes in either of two LAN
interfaces: 10BASE-T or 10BASE5 (AUI) Ethernet.
10BASE-T models can operate in full-duplex Ethernet
(20 Mbps). AUI models can’t do this, but they can draw
power directly from the AUI interface, so you might not
need to use an external power source. However, if you
want to drive AUI signals any distance, or if the AUI
port to which the RMB is attached doesn’t provide an
adequate amount of power, use the included external
power supply to override the AUI supply. On all models,
you can disable the Ethernet SQE test for hub or
repeater connections.
2.2 WAN-Interface Overview
The Remote MiniBridge is also available with any
of eight WAN interfaces—TIA RS-232 (ITU-TSS
V.24/V.28), ITU-TSS V.35, TIA RS-422/449 (ITU-TSS
V.36), TIA RS-530, ITU-TSS X.21, proprietary 4-wire,
multimode fiberoptic, or single-mode fiberoptic.
The RMB transmits and receives data synchronously
at up to 10 Mbps. Alternatively, all RMBs except for the
4-wire and fiberoptic models can communicate
