Toshiba CTX28 manual Set Jumpers on the GMAU1A Motherboard

CTX28 Installation

Installing the CTX28 Cabinet

Step 1: Set Jumpers on the GMAU1A (Motherboard)

The GMAU1A (shown in Figure 1-7) supports up to 6 CO lines with Caller ID (CLID).

ON

SW1

STANDBY

SW1

ON/OFF (Standby)

P5

P6

P8

P7

P4

TB2

CO1

TB3

CO2

CO3

SW400 (3db/0DB)

SW500 (3db/0DB)

SW600 (3db/0DB)

		7113
Figure 1-7 GMAU PCB
Table 1-4 GMAU Controls, Switches and Indicators
Control/Indicator/Connector	Type of Component	Description
		Power Switch:
SW1	2-position slide switch	[STANDBY] = no DC power supply.
		[ON] = DC voltage supplied. [ON] activates the
		reserve power from HPFB-6 battery pack.
SW400
SW500	2-position slide switch	3dB Pad switch
SW600
		Power indicator; when SW1 is [ON], turned on.
CD6	LED	Red both AC power and 3Reserve power. SW1
		is [STANDBY], turned off.
TB1	Plate with screw	Grounding for HPFB-6 external battery
TB2	Plate with screw	Grounding for GETS Ethernet card
TB3	Plate with screw	Grounding for CTX28 system, connect to earth
		ground
P1	50-pin Amphenol	DKT, SLT and Power Failure Transfer interface
	connector
P3	44-pin DIN connector	GMAS interface

1-10 Strata CTX I&M 06/04