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C1528M-F (6/05) 29
Multiple M Devices
Multiple M devices (KBD960/KBR960, ALM2064, and REL2064) can be connected to COM 3 on the CM6800E, either as local devices or remote
devices (when connecting two KBD960/KBR960 keyboards to the CM6800E, you must use a remote connection).
Multiple M Devices: Local Connection
1. If you are connecting a KBD960/KBR960, connect it to the CM9505UPS with the straight cable supplied with the keyboard. Then connect
the CM9505UPS to the IN port on the next unit (either the ALM2064 or the REL2064) with a 6-foot (1.8 m) straight cable (supplied with the
CM6800E).
2. Connect each ALM2064 and REL2064 unit to the next unit with a 6-foot (1.8 m) straight cable (supplied with the CM6800E) from the OUT
port to the IN port on the next unit. You can connect a maximum of four ALM2064 units and four REL2064 units to the CM6800E.
3. Connect the last unit to the CM6800E with a 6-foot (1.8 m) straight cable (supplied with the CM6800E) from the OUT port to COM 3 on the
CM6800E.
Figure 21. Connecting Multiple M Devices – Local Connection
1
2
3
4
5
6
7
8
16
876
32
31
432
120/230~
50/60 HZ
25 WATTS
12345678
CONTROL
AT
+
T
-
R
+
R
-
T
+
T
-
R
+
R
-
B
1
2
F
3
1
010101
REL2064
ALM2064
CM6800E-48X8 COM 3 DEFAULT SETTINGS:
M, RS-485, 19200 BAUD, 8 DATA BITS, 1 STOP BIT
MAXIMUM DISTANCE FROM CM6800 = 3,490 FT (1,200 M)
USING 24 AWG COPPER, UNSHIELDED TWISTED PAIR;
16pF PER FT (pF = PICOFARADS)
NO PARITY,
KBD960
RS-485
STRAIGHT CABLE
(SUPPLIED)
USE STRAIGHT CABLES
(SUPPLIED) FOR ALL CONNECTIONS
KBD960
RJ-45 PIN-OUTS
1 Tx+
2 Tx-
3
4
5
6
7 Rx-
8 Rx+
ALM2064
RJ-45 PIN-OUTS
1 Tx+
2 Tx-
3
4
5
6
7 Rx-
8 Rx+
REL2064
RJ-45 PIN-OUTS
1 Tx+
2 Tx-
3
4
5
6
7 Rx-
8 \Rx+
CM6800E-48X8 COM 3
RJ-45 PIN-OUTS
1 Rx+
2 Rx-
3
4
5 GND
6
7 Tx-
8 Tx+
CM9505UPS
STRAIGHT CABLE
(SUPPLIED)
STRAIGHT CABLE
(SUPPLIED)