Brochure/Catalogue

Surge protection fundamentals for data signals
RS 232
Serial interface for point-to-point
connections up to 20 kbit/s
Voltage signal to earth:
logic 1 (mark) -15 V to -3 V
logic 0 (space) +3 V to +15 V
max. signal level ±15 V
Lines up to 20 m long depending
on transmission rate.
RS 232
Protection module in
terminal housing
VSSC 6 / RS232 Page D.14
RS 422
Serial uni-directional high-speed interface
for up to 10 parallel receivers
Differential voltage signal:
logic 1 (mark) A-B < -0.3 V
logic 0 (space) A-B > +0.3 V
max. signal level ±12 V
Lines up to 1200 m long
max. data rate 10 Mbit/s
RS 422
Protection module in
plug-in housing
VSPC / RS485 Page D.8
RS485
Serial bi-directional high-speed
interface for up to 32 subscribers
2- or 4-wire system
Differential voltage signal:
logic 1 (mark) A-B < -0.3 V
logic 0 (space) A-B > +0.3 V
max. signal level -7 V to +12 V
Lines up to 1200 m long
max. data rate 10 Mbit/s
RS485
Protection module in
plug-in housing
VSPC / RS485
VSPC / RS485 R
Protection module in
terminal housing
VSSC 6 / RS485
VSSC 6 / RS485 DP
Page D.8
Page D.10
Page D.14
COAX
Protective module for
BNC- and N-cables
Protective module for
F- and UHF-cables
Page D.18
Page D.19
D
D.32028840000
Lightning and surge protection for data interfaces