- Planet WAN Router User's Manual
97
03 I_RXD/TXD+ Twisted pair no. 3 <— P SD+ 
16 I_RXD/TXD– <— S SD– 
02 O_TXD/RXD+ Twisted pair no. 5 —> R RD+ 
14 O_TXD/RXD–  —> T RD– 
05 I_CTS/RTS+ Twisted pair no. 2 <— C RTS 
06 I_DSR/DTR+ <— H DTR 
04 O_RTS/CTS Twisted pair no. 4 —> D CTS 
20 O_DTR/DSR+  —> E DSR 
17 I_RXC/TXCE+ Twisted pair no. 8 <— U SCTE+ Not used 
09 I_RXC/TXCE– <— W SCTE–Not used 
24 O_TCXE/RXC+ Twisted pair no. 6 —> V SCR+ 
11 0_TXCE/RXC–  —> X SCR– 
15 B_TXC/TXC+ Twisted pair no. 7 —> Y SCT+ 
12 B_TXC/TXC–  —> AA SCT– 
C.3 V.24 DTE – CB-ERT232-MT 
Pin to ERT-805
Description  Pin to device
Description 
21 MODE_1     
18 MODE_0     
25 MODE_DCE     
1  Shield   1 Shield_GND 
08 B_DCD/DCD+ Twisted pair no. 1 <— 8  CD 
7  GND   7 GND 
03 I_RXD/TXD+ Twisted pair no. 3 <— 3  RXD 
16  GND    GND 
02 O_TXD/RXD+ Twisted pair no. 5 —> 2  TXD 
14  GND    GND 
05 I_CTS/RTS+ Twisted pair no. 2 <— 5  CTS 
06 I_DSR/DTR+ <— 6  DSR 
04 O_RTS/CTS Twisted pair no. 4 —> 4  RTS 
20 O_DTR/DSR+  —> 20  DTR 
17 I_RXC/TXCE+ Twisted pair no. 8 <— 17  RXC 
09  GND GND    GND 
24  O_TCXE/RXC+
Twisted pair no. 6 —> 24  TXCE Not used 
11  GND  —> GND 
15 B_TXC/TXC+ Twisted pair no. 7 <— 15  TXC 










