Vanguard Managed Solutions Daughtercard Header manual Vanguard, Hardware Advisory Notice

Part No. T0264, Rev A

	April, 2003
	Page 1 of 2
	VANGUARD
	HARDWARE ADVISORY NOTICE
	Installing A Daughtercard Header
Introduction
	This notice describes how to install an existing daughtercard from a Vanguard 100,
	300, 305, and 320 into a Vanguard 340/342 using a newer interface header.
Vanguard
	In order for customers to use their existing daughtercards in a Vanguard 340/342
Daughtercard	chassis, they will have to use a different size daughtercard header. The product code
Header Update	that supports the Vanguard 340/342 is 1152-10006.
Installation
	Figure 1 shows the different style daughtercard header pins. The newer header pins
	for the Vanguard 340 and 342 are shorter than the header pins in an older unit. The
	shorter pins connect to the motherboard.

68-pin Male-to-Male Interface Header

Used to connect a daughtercard to a Vanguard 100, 300, 305, 320 motherboard.

Vanguard 340/342

68-pin Male-to-Male Interface Header

Used to connect a daughtercard to a Vanguard 340 and 342 motherboard.

Interface Header Pins Product Code 1152-10006

shorter pins connect to the

motherboard

Figure 1. Daughtercard Header Pins

Note

Most older style cards can be used in the Vanguard 340 and 342 units. The minimum revision that can be used for the FXS/FXO card is B. Do not force any older cards into the newer units, they should fit

easily.