EX72SF

www.vxitech.com

The EX7SF enclosure , shown in Figure 1-2,can accommodate a large number and various types of Agilent latching switch modules. The upper six switch mounting locations, designated SW1 to SW6, are designed for SPDT switches. The lower six switch mounting locations, designated SW7 to SW12, are designed for SP4T, SP6T, and transfer switches.

The following table provides the switch model choices for these sections:

VTI MODEL	DESCRIPTION	AGILENT MODEL NUMBER
SPDT (SW 1 – 6)
7202-20	SPDT, 20 GHz	8765B
7202-26	SPDT, 26 GHz	8765C
7202-20T	SPDT, T, 20 GHz	8762B
7202-26T	SPDT, T, 26 GHz	8762C
87202-20T	SPDT, T, EL, 20 GHz	N1810TL - 020
87202-26T	SPDT, T, EL, 26 GHz	N1810TL - 026
SP4T (SW7-12)
7204-20	SP4T, 20 GHz	L7204B
7204-26	SP4T, 26 GHz	L7204C
7204-20T	SP4T, T, 20 GHz	L7104B
7204-26T	SP4T, T, 26 GHz	L7104C
87204-20T	SP4T, T, EL, 20 GHz	87104B
87204-26T	SP4T, T, EL, 26 GHz	87104C
SP6T (SW7-12)
7206-20	SP6T, 20 GHz	L7206B
7206-26	SP6T, 26 GHz	L7206C
7206-20T	SP6T, T, 20 GHz	L7106B
7206-26T	SP6T, T, 26 GHz	L7106C
87206-20T	SP6T, T, EL, 20 GHz	87106B
87206-26T	SP6T, T, EL, 26 GHz	87106C
Transfer (SW7-12)
7222-26	Transfer, 26 GHz	L7222C
87222-26	Transfer, EL, 26 GHz	87222C

	TABLE 3-2: EX72SF SWITCH MODULES
	The SPDT switches are mounted on special carriers for installation into the EX72SF and are
	delivered this way if ordered separately from the factory. The SP4T and SP6T switches mount
	directly in the lower openings and do not require any special carriers. The transfer switches do not
	have the same square mounting plate as the multi-throw switches so they require a special carrier
	for mounting in the lower round openings.

NOTE	Before proceeding with the removal and/or installation of any microwave switch modules in an
	EX7000, turn the ac power switch to the OFF position and remove the ac power cord.
	To remove a SPDT switch from the enclosure, simply remove the two pan head Philips screws
	from each side of the individual switch faceplate. Remove the faceplate and slide the switch
	forward until it is away from the enclosure and far enough out to expose the white plastic 8-pin in-
	line connector. Firmly grasp each end of the white plastic body, squeezing the release tab on the
	enclosure side and pull until the two parts separate.

NOTE	The new switch modules must have the cable assembly with the white plastic multi-pin connector
	installed in order for it to interface with the internal control circuitry. All replacement or add-on
	relays supplied by VTI Microwave will have this cable in place. Contact VTI Microwave
	immediately if your switch module arrives without this cable assembly as well as the universal
	mounting carrier installed.

EX7000 Series Basic Operation

EX72SF

VTI MODEL

SPDT (SW 1 – 6)

SP4T (SW7-12)

SP6T (SW7-12)