Chapter  2  Specifications  and System Configuration 
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2.9  8BSpecifications for Network Modules 
2.9.1  35BGeneral Specifications 
  AH10SCM-5A 
RS-485/RS-422 communication interface 
European-style terminal block 
Transmission speed 
1,200, 2,400, 4,800, 9,600, 19,200, 38,400, 57,600, 76,800, 115,200, 230,400, 
Communication 
format 
Stop bit: 1 stop bit or 2 stop bits 
Parity bit: none, an odd parity bit, or an even parity bit 
Data bit: 7 data bits or 8 data bits 
Communication 
protocol 
Modbus ASCII/RTU 
UD Link 
BACnet MS/TP slave stations 
 
Electrical specifications 
 
  AH15SCM-5A   
RS-232 communication interface 
1200, 2400, 4800, 9600, 19200, 38400, 57600, 76800 and 115200 bps 
Communication 
format 
Stop bit: 1 stop bit or 2 stop bits 
Parity bit: none, an odd parity bit, or an even parity bit 
Data bit: 7 data bits or 8 data bits 
Communication 
protocol 
Modbus ASCII/RTU 
UD Link 
BACnet MS/TP slave stations 
Electrical specifications 
 
  AH10EN-5A / AH15EN-5A 
Network interface
 
802.3 and 802.3u 
Transmission cable
Category 5e cable 
The maximum length is 100 meters. 
10/100 Mbps auto-detection 
 
AH10EN-5A network protocol supported 
Communication 
ICMP, IP, TCP, UDP, DHCP, NTP, Modbus TCP, SNMP, SMTP, and