28 C1629M-F (3/08)
Figure 23. Star (CM9760-CDU-T) Connections2. Connect either end of the enclosed STRAIGHT cable to the connector labeled I/O RS422 on the DVR5300 rear panel. The STRAIGHT cable is 6 feet (1.8 m) and has a black STRAIGHT label.NOTES:•Do not use the REVERSE cable that is included with the CM9760-CDU-T to connect the CDU to the DVR5300. To create your own cable, refer to TableC and Figure 24 for the RJ-45 pin assignments for both the DVR5300 and the CM9760-CDU-T. The maximum cable length from the DVR5300 to the CDU is 4,000 feet (1,219 m).
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
Tx+
Tx-
Gnd
12345 6 7 8 9 10 11 121 13 14 15 16
10-24AC/DC
OUT IN
100-240V

PTZ DEVICE 1

PTZ DEVICE 2

STRAIGHT CABLE

TWISTED

PAIR

PIN 1

PIN 1