Double Dome PTZPZ9, Installation Manual

Page: 12 / 53

9
3) Jumper Setting ( as picture 7/8 )
Picture 7
Picture 8
a
）
Alarm output relay setting
（
picture
① is channel 1ala ，
picture
② is channel 2 alarm output. ）
Jumper setting “NO”: Non-alarm status, relay disconnected
，
alarm
status, relay closed;
Jumper setting “NC”: Non-alarm status, relay closed, alarm status, relay
disconnected.
b
）
120Ω Line Setting
（
picture
③ is 120
Ω line setting
）
Jumper setting “ON”, means connected 120Ω terminal resistance,
Jumper setting “OFF” or no jumper line means disconnected
120Ωterminal resistance.
Remarks: To avoid the reflection of 485-signal display on the 485 bus
end-point, connect 120Ω termination resistor to the end-point, and the
middle equipment must be disconnected the terminal resistance.
③
①
②