User`s guide

PCLTA-21 PCI Interface User’s Guide
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RS485 XID
RS485 XID
ID4
JP1
ID3
ID2
ID1
ID0
TP/RS485-39
ID = 5 (default)
ID4
JP1
ID3
ID2
ID1
ID0
RS485 XID
TP/RS485-1250
ID = 11
ID4
JP1
ID3
ID2
ID1
ID0
RS485 XID
TP/RS485-625
ID = 10
ID4
JP1
ID3
ID2
ID1
ID0
TP/RS485-78
ID = 12
Figure 4.2 PCLTA-21 TP-RS485 Jumper Settings
P1 and P2 PCI Bus Connector
The pinout of the PCI connector is the standard pinout for the 32-bit PCI bus
used in Windows-compatible PCs. The power drawn from the host is 250mA @
5VDC, typical.
Network Connector
The PCLTA-21 Model 74501-74503 cards are supplied with a removable two
terminal, BLZ 5180/2/180 for the network connection. The wiring to the twisted
pair channel is polarity insensitive. The connector will accept 12 to 26AWG
(1.2mm to 0.45mm) wire. See the Junction Box and Wiring Guidelines for
Twisted Pair L
ONWORKS Networks, LONWORKS FTT-10A Free Topology
Transceiver User’s Guide or the L
ONWORKS TPT Twisted Pair Transceiver
Module User’s Guide
for information on suitable cables and cable distances.
The PCLTA-21 Model 74504 card is supplied with a removable three terminal,
BLZ 5108/3/180 for the RS-485 network connection. The wiring to the RS-485
twisted pair channel is polarity sensitive. The connector will accept 12 to
26AWG (1.2mm to 0.45mm) wire. The terminals are connected as follows (with
terminal 3 being closest to the service LED):