Comtech EF Data CRS-500 - Manual (Page 36)

CRS-500 1:N Redundancy System Revision 2
Introduction MN-CRS500
1–10
1.3.2.2 DSU Rear Panel
Figure 1-12 shows the rear panel of the CRS-500 DSU:
• Use the DB-25 male connector labeled “J1 CSU/DSU CONTROL” to connect the DSU, via
DSU-to-CSU cable PL-0000234, to the “Switch Control” connector located on the
CRS-530 System Controller card that is installed on the rear panel of the CRS-500 CSU.
• Use the DB-9 male connector labeled “P1 IF SWITCH CONTROL” to connect the DSU, via
DSU-to- ISU cable CA-0000386, to up to four CRS-500 Tx/Rx ISUs (CRS-282xx).
Figure 1-12. CRS-500 DSU Rear Panel