The Liebert SiteLink-E communicates using BACnet and/or third-party protocols, and can connect to a
variety of port types at multiple baud rates. See Table 5.2 below.
Port Protocol Port Type(s) Baud Rate(s)
Maximum Cable Length,
ft (m)
Ethernet
Port
BACnet/IP
Modbus/IP
SNMP v1
NOTE: Most protocols can run simultaneously.
There may be exceptions depending
on the protocols selected, particularly on the 12-port
configuration.
Ethernet
10 Mbps
100 Mbps
328 (100)
BACnet BACnet/ARC156
1
RS-485 (two-wire) 156 kbps 2000 (610)
S1
2
BACnet MS/TP RS-485 (two-wire)
9600 bps
19.2 kbps
38.4 kbps
76.8 kbps
(default)
3000 (914.4) for 9600 baud
Third-party
RS-232
Various
50 (15.24)
RS-485 (two-wire)
3000 (914.4) for 9600 baud
RS-422 (RS-485 four-
wire)
BACnet PTP RS-232
9600 bps
19.2 kbps
38.4 kbps
(default)
57.6 kbps
115.2 kbps
50 (15.24)
Ports 1-8
IGM RS-485 7812 bps 3000 (914.4)
Velocity RS-485 38,400 bps 3000 (914.4)
ASCII
Hironet RS-485 19,200 bps 3000 (914.4)
Ports 9-12
IGM RS-422 7812 bps 1000 (300)
IGM RS-232 7812 bps 50 (15.24)
Velocity RS-485 38,400 bps 3000 (914.4)
ASCII
Hironet RS-485 19,200 bps 3000 (914.4)
Local
Access
Enhanced Access Rnet 115.2 kbps 3 (.914)
1. ARC156 is a unique implementation of the industry standard ARCNET.
2. Port S1 supports only one protocol and one wire type at a time.
Table 5.2 Communication ports, protocols and settings
Vertiv | Liebert® SiteLink-E™ Installation Manual | 22