Download WittZ TR38K Man - Qualisys Technology Ltd.

2.4 Internal Connectors Of TR3800
Opening the TR3800, it appears various kinds of connectors, all of these
connectors are designed under anti-fool notion and all connectors marked the
function with text description as well. All mistaken connections will not cause
hardware damage, but it might cause communication failed.
VR1
VR1 : LCD Contrast Adjuster
S1
: UPS Switch
T1
: External Alarm Terminal
T2
: Access Controller Terminal
D23 : Power LED
JP5
ON
D34
BAT
UPS
1
ALARM
T1
JP9 : 2nd RS232 Connector
D34 D23
SEC
T2
JP9
JP10 : 2nd Multi-drops Connector
TX
RX
G
JP8 : 2nd DC Power Connector
JP10
D+
D-
JP7 : 2nd LAN Pin
JP7
E TX +
LAN
RST
E TX -
S2
: LAN Reset
E R X+
E R X-
S2
- 9V +
JP8
* Items of D34,JP7 and S2 are workable for model TR3800xN only.
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