Thermo AC-4000 - Interconnect Information

REC 3838 6-7
6.2.3 Interconnect Information
A 14-pin connector, Amphenol MS3106A-20-27P, is used to hook up an external
communications device to the controller. A shielded cable should be used and the
shield should be tied to the controller only. The connections are defined in Table
6-3. (Reference drawing C000-021790-01.)
TABLE 6-3
INTERCONNECT TERMINATIONS
MS3106A
CONNECTOR
PIN
FUNCTION / SIGNAL
A
B
Shield
Signal Ground
C
D
E
F
TxD (A/-)
TxD (B/+)
RxD (A/-)
RxD (B/+)
Î
EIA-422/485 4-wire
,
Ï
E
F
TxD+/RxD (A/-)
TxD-/RxD (B/+)
EIA-422/485 2-wire
G
H
I
J
K
L
(N/C)
DTR (Data Terminal Ready)
TxD (Transmit Data)
RxD (Receive Data)
(N/C)
CTS (Clear to Send)
Î
,
EIA-232
,
,
Ï
M
N
(N/C)
(N/C)