CSE-H21 User’s Manual Ver. 1.2
Sollae Systems Co., Ltd.
- 10 -
http://www.sollae.co.kr
Telnet COM Port Control Option
CSE-H21 has a Telnet COM Port Control function that is defined in the RFC2217. If this
option is set, CSE-H21 transmits serial input signals (CTS, DSR) to the peer host and set
the values(RTS, DTR, baud rate, data bits, parity, stop bit) onto its serial ports from the
peer host.
TX Delay
CSE-H21 has a function that delays its serial data for the user‟s slow device. User can set
the interval between byte and byte which are outputting from CSE-H21‟s serial ports. Its
unit is byte.
1.5.2
Ethernet Interface
Network part of CSE-H21 is configured with Ethernet. So, what you have to do is only to
connect UTP cable. The Ethernet part detects 10Mbit or 100Mbit Ethernet automatically, to
connect the corresponding cable. It also provides auto MDI/MDIX function to detect 1:1
cable or cross-over cable automatically. Each piece of Ethernet equipment has unique
hardware addresses, and CSE-H21also has factory-set hardware address (which is called
MAC address)
Figure 1-3 RJ45 Ethernet connector
Table 1-4 Ethernet port pin description
Number
Name
Direction
1
Tx+
Output
2
Tx-
Output
3
Rx+
Input
4
-
-
5
-
-
6
Rx-
Input
7
-
-
8
-
-
