User's Manual

MDC-7000P/7900P Series Chapter 11 Appendix
0093169006-05E 11-25
11.5 Interface specification
11.5.1 NAV and EPFS serial data input/output specification
Serial data input (Listener):
Standard-type signal conforming to IEC61162-1 or
IEC 61162-2 is acceptable.
Input load: 500 Ohm
Circuit configuration: Photo coupler
Type ACPL-M61 (Avago)
Serial data output (Talker):
Standard-type signal conforming to IEC61162-1 or
IEC 61162-2 is transmittable
.
Circuit configuration: RS422 driver IC
Type SN65HVD3085 (TI
）
Serial data output circuit
OUT-B
Data output
OUT-A
SN65HVD3085
J3 and J5
Data connector pin assignment
(Display unit upper view)
J3 and J5
Pin number Signal
name
1
Shield
2 OUT-A
3 OUT-B
4 IN-A
5 IN-B
6 +12V
Data connector pin assignment
1
2
3
4
5
6
Input connector: J3 and J5
Connector used: BD-06PMMP-LC7001
Connector acceptable: BD-06BFFA-LL6001
Serial data input circuit
IN-A
IN-B
500
Input data A
Input data B
+Vcc
A
CPL-M61
Note: +12V of pin no.6 is used for power supply o
f
Junction box JB-35 or other device