Mitel Sx-2000 Integrated Communications System Control Sheet Manual

Important Safety instructions 
I personnel.  Grounding instructions must be followed explicitly to ensure the safety of 
Table 13 AC Systems Grounding Cables (External) 
Item Gauge 
Function From To Remarks 
1. 10 AWG. Safety ground 
The nearest The Safety Cable supplied by 
See source. 
electrical utility Ground stud on the installation 
Note 1. 
ground external to the floor of the company. 
the cabinet. control cabinet. 
2. IOAWG Safety ground. 
The Safety The Safety Cable is supplied 
Ground stud in...

Table 1-4 DC System Grounding Cables (External) 
Item Gauge Function From To Remarks 
1. 1 OAWG. Safety ground The nearest 
The Safety Cable supplied by 
See source. electrical utility Ground Terminal the installation 
Note 1. ground external to on the rear of company. 
the cabinet. Control Cabinet 
Power Distribution 
Unit. 
2. 14AWG Safety ground The Safety The Protective See Figure l-l 2. 
jumper. Ground stud on Earth stud (GND2) 
the cabinet floor. on the back of the 
Power Distribution 
Unit. 
3....

Important Safety Instructions 
-. .-- - 
- I ---o b 0 0 
- 
DG DG I DG EDG I I0 EDG 
0 FGZ I 
& 
- 
DG DG DG EDG 
ECG 
7 5 3 4 
NA. only 
I_ 
NA. ordy 
I FAN UNK 
I 
TB3 POWER DISTFIIB~ION UNIT 
“Ll ” ” 
I 
EDG ‘\=, I 
I 6 
I 
- 
TO BUILDING TO AX. MAINS 
GROUND GROUND 
(AC. SYSTEMS 
ONLY) N.A. : 1 POVAC /4WDC PDU 
DG : DIGKAL GROUND 
EDG : ENERGY DUMPING 
1, GROUND 
- :FRAMrn 
- GROUND 
HARD 
r-l 
DlSK 
MODULE 
0 
Figure l-9 SX-2000 S System Ground Connections 
912!5-060-203-NA Issue 1 Revision 0 203...

Safetv Instructions 
DC POWER 
DlSTFWLmON 
LJNrr 
/ I 
TERMINAL 
AC INPIJT 
SWITCH 
AC SOCKET SScoP6 
Figure I-IO SX-2000S System AC and DC Power Distribution Units (Rear Panel) 
203 l-20 Revision 0 
9125-060-203-NA Issue 1  

Important Safety Instructions 
SHELF1 82 
ClRCulT BREAKERS 
1 @+I SURGE 
PPmEcTlON f 120 vat 
SUPPLY TO 
SHELF CONVERTERS 
TERMINAL BLOCK 
- INTERNAL 
WIRING 
STUD 
BBOMSRl 
Figure 1-11 SX-2000 S System AC Power Distribution Unit Terminal Blocks 
9125-060-203-NA Issue 1 Revision 0 203 l-21  

Safety Instructions 
I SCREW-MIWN 
CABLETIGHENER 
CABLE CABLE 
FASTENER BODY NUT 
II 
c 
c 
c 
I I 
FUSES c 
L 
c 
D  Ex-rERNAl 
48 Vdc SUPPLY 
I 
II I AUXlWRY 
/IV 
- TEFIMINAL BLOCK 
t-W  PROTECTlVE 
EARTH STUD 
W’W 
ENEiGY DUMPING 
AND DIGITAL GROUND: 
SiFEW 
GROUND 
STUD 
BBW24Rl 
Figure 1-12 SX-2000 S System DC Power Distribution Unit Terminal Blocks 
203 l-22 Revision 0 9125-060-203-N/4 Issue 1  

Important Safety Instructions 
SX-2000 VS Grounding 
The SX-2000 VS systems operating in North America require only one external 
ground, the safety ground. A ground clip, attached to the EMI shield, links the safety 
ground to the system ground on the System Filter Assembly Card. 
The System Filter Assembly card, plugged into the backplane, provides a common 
point for all grounds in the system (DGI). 
Refer to Figure 1-I 3 for ground references on the SX-2000 VS system. 
Grounding cables are to be...

Safety Instructions 
EMI , 
SHIELD 
L- I J7 
J3 I I 
K 
CABLE 
GUIDES 
WARNING 
Jl 
0 
AC INPUT 
3 DSU PORTS 
/ I I SYSTEM FILTER 
ASSEMBLY 
CARD 
PROTECTIVE 
- 
SHIELD 
SAPEN 
GROUND 
STUD 
I MDF CAR, E 
..-. -. --- ENTRY 
PORT  - DIGITAL 
GROUND DGI 
BB0061 R2 
203 l-24 
Figure I-1 3 SX-2000 VS System Grounds 
Revision 0 9125-060-203-NA Issue 1  

Important Safety Instructions 
POWER SELECTOR MITCH 
POWER SUPPLY UNKi 
fr - /  
- \. 
II f!I iiiNTEN4NCEB 
I I PI -ii.imN~htE~ A@ll@ll@l 
-u-Y 
JlO REMOTE ALARMS 
MAlNMAtKETERMlk4LPORT - EMISHEU) 
NON-REDUNDANT CONTFiOL NODE NON-REDUNDANT CONTROL NODE 
POWER SWITCH AC INPUT 2-WIRE CONNECTlON (POWER AND GROUND) 
POWER SELECTOR SWlTCH 
POWER SWCH 
JlO 
1 cl a 
$ 8 
. I h4AlNTEN4NCETERMlNALPORT 
I 
C-GYSTEM GROUNDTERMINAL 
PERIPHERAL NODE 
AC INPUT S-WIRE 
CONNECTION 
(POWER AND 
GROUND) 
- EMI SHIELD -...

Safety Instructions 
SX-2000 FD Grounding 
The SX-2000 FD systems operating in North America require only one external 
ground, the system ground. 
Refer to Figure 1-14 for ground references on the SX-2000 FD system. A 14 AWG 
gauge system ground cable is installed between the system ground terminal on the 
backplate of each Peripheral Node and the site building ground. 
Grounding cables are to be installed in accordance with the information listed in table 
Table 1-S. 
Table 14 SX-2000 FD System...