Siemens D2325CPS Installation Instructions Manual page 5

SUPERVISED
POWER BUDGET - MAX LOSS
- 11 dB 9/125 FIBER
SUPERVISED
POWER BUDGET - MAX LOSS
- 11 dB 9/125 FIBER
Wiring the D2325CPS as both a Repeater and End Point Unit
RS-485 RATINGS:
8V P-P
150mA MAX
80 OHMS MAX
18 AWG MIN
(DO NOT USE)
(DO NOT USE)
-DATA
+DATA
D2325CPS
(DO NOT USE) -4
-3
(DO NOT USE)
-DATA -2
-1
+DATA
D2325CPS
(DO NOT USE) -4
(DO NOT USE) -3
-2
-DATA
+DATA -1
D2325CPS
EOLR
120 OHMS, 1/4W
P/N 140-820150
STYLE 7 MNET
Wiring the RS-485 MNET Network in Style 4 and Style 7
DATA
REC
A
DATA
XTMR
D2325CPS
DATA
N.C. REC
B
DATA
N.C.
XTMR
DATA
REC
A
DATA
XTMR
D2325CPS
DATA
REC
B
DATA
XTMR
DATA
REC
A
DATA
XTMR
D2325CPS
DATA
N.C. REC
B
DATA
N.C.
XTMR
Figure 6
W,
USE THE 120 ¼ W, 5%
EOL RESISTOR ASSEMBLY,
AS APPLICABLE:
P/N 140-820150 (MMB-1/-2)
OR P/N 140-049099 (MMB-3)
-4
-3
-2
-1
SUPERVISED
STYLE 4 MNET
EOLR
120 OHMS, 1/4W
P/N 140-820150
SUPERVISED
EOLR
120 OHMS, 1/4W
SUPERVISED
P/N 140-820150
1 2 3 4
Figure 7
5
END POINT
FACP
RS-485 NETWORK
MNET/HNET/XNET
(SEE FIGURES 7, 8 & 9)
REPEATER
FACP
END POINT
FACP
MMB
TB1
4 (DO NOT USE)
3 (DO NOT USE)
2
1
RS-485 RATINGS:
8V P-P
150mA MAX
80 OHMS MAX
18 AWG MIN
REFER TO NET-7
INSTALLATION INSTRUCTIONS
P/N 315-091914
TB1
NET-7
MOM-4