Comtech EF Data CRS-300 - Manual (Page 180)

CRS-300 1:10 Redundancy Switch MN/CRS300.IOM
Modem, RMI/TMI, and Switch Configuration Revision 19
5–16
Table 5-5 defines the CRS-320 (obsolete) and CRS-340 TMI control signal configuration jumper
“JP1” and “JP2” settings:
Table 5-5. CRS-320/CRS-340 Jumper Settings
Jumper “JP1” Jumper “JP2”
Control Signal Setting Jumpers
Settings
(Pins
Jumped)
Control Signal Setting Jumpers
Settings
(Pins
Jumped)
RTS/CTS
Open Circuit
(TMI as-shipped)
None
DTR/DSR
Open Circuit
(TMI as-shipped)
None
RTS to CTS Loop
‘1’ to ‘3’
‘2’ to ‘4’
DTR to DSR Loop
‘1’ to ‘3’
‘2’ to ‘4’
TX IF
“User Mute Control”
Connects User DB-25 Pin
‘23’ to Online Modem’s
“Tx_IF_Mute_L”:
• 0 = Mute (Tx_IF Off)
• 1 = No Mute (Tx_IF On)
‘3’ to ‘5’
These jumper settings are possible only on the following TMI versions:
• For the CRS-320 (obsolete) – Rev. F. and later versions
• For the CRS-340 – Rev. D and later versions