Comtech EF Data SMS-301 - Manual (Page 26)

Installation SMS-301 Redundancy Switch
2–4 Rev. 3
Table 2-1. Rear Panel Connectors (Standard Configuration)
Name Ref Des Connector Type Function
DATA COM J1 50/37/25-pin D Common Data Interface
DATA A J2 50/37/25-pin D Modem A Data Interface
DATA B J3 50/37/25-pin D Modem B Data Interface
TX IF COM J4 BNC Common TX IF Output
TX IF A J5 BNC Modem A TX IF Input
TX IF B J6 BNC Modem B TX IF Input
RX IF B J7 BNC Modem B RX IF Output
RX IF COM J8 BNC Common RX IF Input
RX IF A J9 BNC Modem A RX IF Output
REMOTE CONTROL J10 9-pin D Remote Command Interface
AC POWER J11/J12 IEC AC Power Input
SW/MODEM COMM J13 9-pin D Modem A/B Remote
STATUS/FAULTS J14 15-pin D Switch Status (Form C relay)
GND GND #10-32 stud Ground
Table 2-2. Rear Panel Connectors (With RS-301 Option)
Name Ref Des Connector Type Function
REMOTE SWITCH
CONTROL J1 37-pin D RS-301 Control Signals, Power,
and Ground
TX IF COM J4 BNC Common TX IF Output
TX IF A J5 BNC Modem A TX IF Input
TX IF B J6 BNC Modem B TX IF Input
RX IF B J7 BNC Modem B RX IF Output
RX IF COM J8 BNC Common RX IF Input
RX IF A J9 BNC Modem A RX IF Output
REMOTE CONTROL J10 9-pin D Remote Command Interface
AC POWER J11/J12 IEC AC Power Input
DC POWER (Optional) J11/J12 Terminal Block DC Power Input
SW/MODEM COMM J13 9-pin D Modem A/B Remote
STATUS/FAULTS J14 15-pin D Switch Status (form C relay)
GND GND #10-32 stud Ground
Note: The use of each connector is described in the following paragraphs.