Black Box Series 5000 Reference Manual page 36

Link Interfaces Reference
The connector shown here and pinouts described here correspond to
Contact
Number Circuit
1 Shield
2 BA (A)
3 BB (A)
4 CA (A)
5 CB (A)
6 CC (A)
7 AB
8 CF (A)
9 DD (B)
10 CF (B)
11 DA (B)
12 DB (B)
13 CB (B)
14 BA (B)
15 DB (A)
16 BB (B)
17 DD (A)
18 LL
19 CA (B)
20 CD (A)
21 RL
22 CC (B)
23 CD (B)
24 DA (A)
25
The connecting cable must be a shielded cable.
Circuits which are paired (contain an (A) and (B) reference) should be connected to twisted pairs
within the connecting cable.
RS442 & RS530 Link Pinouts
the connector labeled "RS530" on the back of the unit.
13
25
DB25 Female DTE
Received Line Signal Detector
Receive Signal Element Timing (DCE Source)
Received Line Signal Detector
Transmit Signal Element Timing (DTE Source)
Transmit Signal Element Timing (DCE Source)
Transmit Signal Element Timing (DCE Source)
Receive Signal Element Timing (DCE Source)
Data Terminal Ready
Data Terminal Ready
Transmit Signal Element Timing (DTE Source)
Figure 3 – 9 RS530 Link Pinouts
1
14
Circuit
Name
Protective Ground
Transmitted Data
Received Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
Clear to Send
Transmitted Data
Received Data
Local Loopback
Request to Send
Remote Loopback
Data Set Ready
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36
Direction
To From
DCE DCE
NA
X
X
X
X
X
NA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X