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MMB-2 Connections and Ratings
Style 4 Network (MNET) Wiring
NOTE: The fuses are located on the upper left and right
corners of the MMB-2 board.
Style 4 Network (MNET)
The MMB-2 provides a Style 4 MNET
network for connection to remote
power supplies (PSR-1) and annuncia-
tors (MOI-1/7, RCC-1/1F). If a Style 7
network is required, a NET-7 must be
used. Refer to the NET-7 Installation
Instructions, P/N 315-091914, for
wiring diagrams.
NOTES
1. Power limited to
NFPA 70 per NEC 760.
2. Minimum wire size:
18 AWG.
3. Maximum resistance:
80 ohms total.
4. Use twisted pair or
shielded twisted pair.
5. Terminate the shield
ONLY at the MMB-2
chassis.
6. Maximum voltage:
8V P-P.
7. Maximum current:
150mA.
MMB-2 Fuses
SGNITARESUF
1FtupnI6-SPM
,GA3,A8
wolBlamroN
2F
yrettaB
lasreveR
,GA3,A02
wolBlamroN
3F
6B1-MZC
rewoP
,GA3,A2
wolBlamroN
4F
tuptuOV42
)5dna4-1BT(
,GA3,A51
wolBlamroN
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