Black Box ME444A-530-R3, ME444AE-R3, ME445C-X.21, ME445C-35, ME444A-R3, ME445C-530 manual Function

256-KBPS LINE DRIVER (V.35, RS-530, OR X.21)

Table 4-1. Descriptions of RackNest 2/14 components.

Item	Control, Indicator, or Connector	Function
1	Card Slots	Slots for installation of compatible cards
		(slot no. 1 located at the left-hand side).
		Unused slots are closed with blank
		panels.
2	Power-Supply Module	Provides power to modules installed in
		the enclosure.
3	ON Indicator	Lights when power supply is operating.
4	Chassis-Ground Terminal	Connector for attaching other grounds,
		devices, etc., to the RackNest’s chassis
		ground (optional).
5	Power Connector	Power connector with integral fuse.
6	Main Channel Connectors (J1)	DB25 connectors for the module DTE
		connection.
7	4-Wire Terminal Blocks (TB1)	For connection of 4-wire lines. Each
		modem card has a separate terminal-
		block connector.

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