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D7212GV2 | Operation and Installation Guide | 12.0
12.5.2 Network Interface Modules
The Bosch Security Systems DX4020 Network
Interface Module and D9133TTL-E Network Interface
Module are four-wire powered SDI devices that
provide connection for two-way communication over
Ethernet networks to the D7212GV2.
For programming information on enhanced
communications, refer to the D7212GV2 Program Entry
Guide (P/N: F01U003804).
The DX4020 can be installed up to 305 m (1000 ft)
from the control panel using 0.8 mm (22 AWG) wire.
The D9133TTL-E can be installed up to 305 m
(1000 ft) from the control panel using 1.2 mm
(18 AWG) wire.
12.5.3 Address Settings
The DX4020 has specific DIP switch settings for SDI
Address 88 when using the DX4020 for Remote
Programming Software (RPS) or enhanced
communications in a LAN or WAN environment.
Refer to Figure 22 for the correct switch settings.
Figure 22: DX4020 DIP Switch Settings
R
Y
G
B
=
=
2
3
1 - DIP Switches
2 - ON position
3 - OFF position
4 - SDE Address 88 switch settings
Place a jumper over Pin 8 for the D9133TTL-E (SDI
Address 88) to be used for RPS or enhanced
communications in a LAN or WAN environment.
50
1
OPEN
1 2 3 4 5 6 7 8
4
= Switch is not used
SDI Devices
Figure 23: D9133TTL-E Jumper Settings
1
88
12.5.4 Supervision
Supervision of the D9133DC, D9133TTL-E, and
D9133TTL-TR at SDI Address 88 is available through
programming that ensures operation between the
module and the control panel.
If supervised and the module does not respond to
control panel supervision polls, SERVC SDI 88
appears at the keypad. The report to the receiver
includes the address of the troubled module indicating
which module needs service.
Bosch Security Systems, Inc. | 5/05 | F01U003805B
2
3
4
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