ZyXEL Communications RS-1612 manual RS-232 port, Power Switch, DC Power Terminals, AC-DC switch

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6	RX	For use on four-wire leased line
		systems receiving line (R model only).
7	TX	Transmits for four-wire leased lines,
		transmits and receives for two-wire
		leased lines (R model only).
8	TX	Transmits for four-wire leased lines,
		transmits and receives for two-wire
		leased lines (R model only).

RS-232 port

This port is for uploading firmware and configuring the control card. Use a RS-232 serial cable to connect to a PC.

Power Switch

The power switch turns the rack and all of its modems on or off.

DC Power Terminals

The DC power terminals connect a DC-48V power source to the rack.

AC-DC switch

The AC-DC switch selects which power supply the rack uses.

Fuse

The 4 A, 250 V AC fuse provides over current protection to the rack, power supply, and all of its modems.

Power Socket

The power socket connects the power cord to the power supply.

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Contents JiH5 ZyXEL Limited Warranty Copyright 1997 by ZyXEL FCC Part 15 InformationAcknowledgments Information for Canadian Users Declarations of CE marking ∙ E-mail Contacting ZyXELVii Contents RS-1612 Menu Tree 19 Rack Slot Menu 20 Modem Menu Setting up the RS-1612 RackNMS Overview Configuring the RS-1612 rack Control CardPage What This Manual Covers Introduction∙ ZyViewII User’s Guide Other ResourcesPacking List ∙ U-336R/RE Users Guide∙ One Menu Tree Guide ∙ One Warranty Registration Card Page RS-1612 Control Panel Control Panel Power Supply Fuse Rear PanelLEDs Terminal Blocks DTE RS-232 PortsPin Assignment Purpose Power Socket Power SwitchDC Power Terminals AC-DC switch10Base2, 10Base5, 10Base-T Control CardModem Card Setting up the RS-1612 RackHooking Up Power Connecting to ComputersPhone Lines NMS Overview Configuring the RS-1612 rackSetting Rack Security Nms mask add IP address mask and press Enter NMS related CI commandsCommand Description Checking the connectionIP address configuration Command Description Page RS-1612 Menu Tree OperationModem Menu Rack Slot MenuModem Menu Main DisplayContrast Menu Message DisplayModem Reset Menu Setting the RS-1612Unlocking a Rack Locked by a NMS Setting the Display ContrastResetting the Rack to its Default Settings Upgrading firmwareSetting Modems Resetting Modems to Factory Defaults Setting Modems with the Control PanelChanging Modem Cards