CTX28 Installation
Installing the CTX28 Cabinet
1-10
Strata CTX28 I&M 3/05
Step 2: Set Jumpers on the GMAU (Motherboard)
The GMAU (shown in
) supports up to 6 CO lines with Caller ID (CLID).
Figure 1-7
GMAU PCB
Table 1-4 GMAU Controls, Switches and Indicators
Control/Indicator/Connector
Type of Component
Description
SW1
2-position slide switch
Power Switch:
[STANDBY] = no DC power supply.
[ON] = DC voltage supplied. [ON] activates the
reserve power from HPFB-6 battery pack.
SW400
2-position slide switch
3dB Pad switch
SW500
SW600
CD6
LED
Power indicator; when SW1 is [ON], turned on.
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
connector
DKT, SLT and Power Failure Transfer interface
P3
44-pin DIN connector
GMAS interface
7113
S
W
1
O
N
/OFF
(Stand
b
y)
S
W
400
(3d
b
/0DB)
S
W
500
(3d
b
/0DB)
S
W
600
(3d
b
/0DB)
CO1
TB2
P
8
TB3
CO2
CO3
P6
P5
P7
P4
O
N
STA
N
DBY
S
W
1
