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• NHX-80X
1. Subs trunk lines
11 ~ 16: for Block 1
21 ~ 26: for Block 2
31 ~ 36: for Block 3
41 ~ 46: for Block 4
51 ~ 56: for Block 5
61 ~ 66: for Block 6
71 ~ 76: for Block 7
81 ~ 86: for Block 8
1, 2: Voice
3: + 24V
4: GND
5: DATA +
6: DATA –
2. NHX-50M master
M1: +24V
M2: GND
M3: DATA 1
M4: DATA 2
M5: Voice
M6: Voice
M7: Duty station connection
M8: Duty station call tone.
M9: Duty station call control
M10: Duty station LED control
3. Zone light connection
(to sub’s ZL terminal)
Z1: to Subs of zone 1
Z2: to Subs of zone 2
Z3: to Subs of zone 3
Z4: to Subs of zone 4
* A sub cannot have more than one zone
indication. (to Zone light)
R1: to zone light, lamp 1 control
R2: to zone light, lamp 2 control
R3: to zone light, lamp 3 control
R4: to zone light, lamp 4 control
RC: Common
4. Power supply
A+: DC 24V, 2A input
A–:
B+: DC24V, 2A input
B–:
DO NOT cross wires.
5. Duty station NHR-SP connection
S1: Power
S2: GND
S3: Call control
S4: LED control
S5: Call tone
S6: Call tone
3. INSTALLATION & WIRING
Terminal block layout
1
3
2
5
4