Denso BHT-4000 User Manual page 76

Preparation for the communications test
(1) Jump back the optical interface port on the CU-4000
Arrange the Dsub-25P (DB-25P) connector as illustrated below and connect it to the
interface port on the CU-4000.
(2) Jump back the direct-connect interface port on the BHT-4000
Arrange the QM connector as illustrated below, then connect it to the direct-connect
interface port on the BHT-4000.
(Test loop terminating connector)
(3) Place the BHT-4000 on the CU-4000.
Pin No.
SD 2
RD 3
RS
4
CS 5
2 4 6 8
1 3 5 7
Pin No.
SD 2
RD 3
RS
4
CS 5
CD 6
ER
7
66