Fluke 943-227-15 - Manual (Page 9)

General Information
Specifications
1
1- 5
Table 1-6. Field Electrical Connections, 943-227-15 and 943-227-15VL
943-227-15 943-27-15VL
TB1- Description
Connects To
977-210-10M
Description Connects To
977-210-10M
1 XMIT J4-1
+ VL, 15
VDC
J3-1
2 DTR J4-2 + TX J3-2
3 GND J4-3 - TX J3-3
4 REC J4-4 - VL J3-4
5 Not Used Not Used + RX J3-5
6 Not Used Not Used - RX J3-6
7 + 15 VDC J3-7 Not Used Not Used
8 Ground J3-8 Ground J3-8
9 - 15 VDC J3-4 Not Used Not Used
10 Not Used Not Used Not Used J3-11
Detector
Connections
Detector
Connections
HV Detector MHV
From Field
coaxial cable
Detector
MHV
From Field
coaxial cable
SIG Detector BNC
Factory
Terminated,
To 977-200-
15M, R41
Detector
BNC
Factory
Terminated,
To 977-200-
15M, R41
Table 1-7. 977-210-10M LEDs
LED # Indicates
LED1 +15 VDC is being supplied to the circuit board
from the UDR when ON
LED2 Communications – Receive;
ON (bright): both + 15 and -15 volt loops
present
ON (dim): Only one loop supply present
OFF: no loop voltage from either supply
Table 1-8. 977-210-10M Test points
Test Point Function
TP2 RS232 Transmit