Vanguard Managed Solutions Vanguard 7300 Series - Manual (Page 208)

B-10
Serial Card Connector and Cable Details
EIA530 DCE/DTE This is a list of the Serial Card EIA 530 DCE and DTE connector pinouts:
Pin Signal
1 Prot Gnd
2 TXD(A)
3 RXD(A)
4 RTS(A)
5 CTS(A)
6 DSR(A)
7 Signal Comm
8DCD(A)
9 RXCLK(B)
10 DCD(B)
11 Ext.TXCLK(B)
12 TXCLK(B)
13 CTS(B)
14 TXD(B)
15 TXCLK(A)
16 RXD(B)
17 RXCLK(A)
18(not used)
19 RTS(B)
20 DTR(A)
21 (not used)
22 DSR(B)
23 DTR(B)
24 Ext.TXCLK(A)