Paradyne 336x E1 manual AUX Port

Introduction

POWER

AUX COM

PORT PORT

PORT 1	TX	RX SHIELD		RX
		OPEN	120Ω
			IN
120Ω	75Ω	EARTH	OUT	75Ω
	G.703		75Ω

HDSL

NETWORK

495-14732

Figure 1-4. Model 3365 Rear Panel

		Table 1-1
	Rear Panel Connectors and Switches
Name		Function
POWER		Supplies power to the E1 NTU by providing an attachment for the ac power
		module or the optional dc power cable (+24 or ±48 Vdc).
AUX PORT		Supports SNMP LAN Adapter or daisy-chain connections.
COM PORT		Provides access to a locally connected PC, an ASCII terminal or printer, or an
		SNMP management link.
HDSL NETWORK		Provides access to the HDSL network.
G.703Ð120 Ω		Provides a 120 ohm balanced G.703 interface.
G.703Ð120 Ω/75Ω (switch)		Selects either a 120 ohm balanced G.703 interface (the switch is IN) or a 75 ohm
		unbalanced G.703 interface (the switch is OUT).
G.703Ð75 Ω TX/RX
		Provides two BNC connectors (Transmit and Receive) for a 75 ohm unbalanced
		G.703 interface.
G.703ÐRX SHIELD (switch)		Selects either an ªopenº or ªearthº shield connection for the 75 ohm RX interface.
		(This switch must be set to ªopenº when using the 120 ohm interface.)
CLOCK IN (Models 3360/3364)		Used to attach an external clock to the E1 NTU.
PORTs 1±4		Used to connect the customer's synchronous data DTE to the E1 NTU.

3360-A2-GB20-20 December 1996 1-5