Gasguard
®
250 VMB System Installation Manual
Air Products and Chemicals, Inc.
Page 4 - 12
Figure 4.10:
Network Field Wiring Between Span LR300 and Host PC
4.5.5 MMMS Network Wiring Configuration
Figure 4.11 shows the MMMS Gasguard Network Wiring Configuration.
Figure 4.11:
MMMS Network Interface
REC - 2
7 REC -
9 XMIT +
8 XMIT -
6 REC +
REC + 9
XMIT - 7
XMIT + 4
9-PIN PLUG
MALE
D-SUB
CONNECTOR
9-PIN PLUG
MALE
D-SUB
CONNECTOR
STARGATE
DISTRIBUTION BOX
SPAN
LR300
(1) PLUG PER
32 CABINETS MAX.
GND
OVERALL SHIELD GROUNDED
AT ONE END ONLY
TWISTED PAIR
AWG #18 or #20
TWISTED PAIR
Summary of Contents for Gasguard 250
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