Paradyne 336x E1 manual Cabling Examples

ACCULINK 336x E1 NTU

Cabling Examples

The E1 NTU is supplied with an ac power module.

Optional cables that you can order from the company are described in Appendix D, Pin Assignments.

Figure 2-12illustrates some cabling examples.

NOTE

The 120Ω /75Ω switch selects either the 120 ohm balanced

G.703 interface or the 75 ohm unbalanced G.703 interface. The RX 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.)

COM PORT				HDSL
			NETWORK
AUX	COM	G.703				HDSL
POWER PORT	PORT		TX	RX SHIELD	RX	NETWORK
		120Ω		OPEN	120Ω
					IN
CAUTION: AUX PORT OR COM PORT MUST			75Ω	EARTH	OUT 75Ω
					75Ω
NOT BE CONNECTED TO HDSL NETWORK		PORT 3			PORT 4
CLOCK IN		PORT 1			PORT 2

-550	SERIAL
3100-F1	PORT
TO AC
POWER
MODULE
	NOTE:
	3100 SERIES
	FRONT PANEL
	EMULATION
	SOFTWARE,
	3100-C1-010

HDSL	NETWORK	HDSL
	COM PORT			HDSL
			NETWORK
	AUX	COM	G.703				HDSL
	POWER PORT	PORT	TX	RX SHIELD		RX	NETWORK
			120Ω	OPEN	120Ω
					IN
	CAUTION: AUX PORT OR COM PORT MUST		75Ω	EARTH	OUT	75Ω
					75Ω
NTU	NOT BE CONNECTED TO HDSL NETWORK		PORT 3		PORT 4
	NTU

CLOCK IN PORT 1 PORT 2

TO DC

POWER 3100-F1-520 (OPTIONAL)

3100-F1-540

SNMP	OR
MANAGER

495-14746

Figure 2-12. Cabling Examples

2-8 December 1996 3360-A2-GB20-20