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AUTOSENSING ISDN MATRIX SWITCH
2.3 Front Panel
Figure 2-1. The front panel.
Power: The red LED lights when the switch is powered.
Keypad: Use the 13 keys to change the switch’s settings.
LCD panel: The 16-character display shows the current input and output
assignments, line busy status, keypad entries, and error messages.
2.4 Rear Panel
Figure 2-2. The rear panel.
AC In: AC power input module. It contains the AC inlet connector, fuse,
and line-voltage selector. The line-voltage selector allows the switch to operate
on either 110-VAC or 220-VAC power.
RS-232 input: The DB9 female connector is used for serial communication
(manual mode only).
Outputs: Twelve 8-pin RJ-45 female connectors to be connected to TEs
(Terminal Equipment) via twisted-pair cable.
Inputs: Three 8-pin RJ-45 female connectors to be connected to NT1s
(Network Terminal 1) via twisted-pair cable.
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