Analogue connection to D/120JCT boards

[Supernn]

We have 4 D/120JCT-LS cards connected to 3 FALC cards (48 ports). The TN's show like this:
TYPE 500
CDEN 4D
CUST 0
WRLS NO
DN 12345 0 MARP
AST NO
IAPG 0
HUNT
TGAR 1
LDN NO
NCOS 0
SGRP 0
RNPG 0
XLST
SCI 0
SCPW
SFLT NO
CAC_MFC 0
CLS UNR DTN FBD XFD WTA THFD FND HTD ONS
LPR XRD AGRD CWD SWD MWD RMMD SMWD LPD XHD SLKD CCSD LND TVD
CFTD SFD MRD C6D CNID CLBD AUTU
ICDD CDMD EHTD MCTD
GPUD DPUD CFXD ARHD OVDD AGTD CLTD LDTA ASCD
MBXD UDI RCC HBTD IRGD DDGA NAMA MIND
NRWD NRCD NROD SPKD CRD PRSD MCRD
EXR0 SHL SMSD ABDD CFHD DNDY DNO3
CWND USRD BNRD OCBD RTDD RBDD RBHD FAXD PGND FTTC
FDSD NOVD
PLEV 02
AACS NO
MLWU_LANG 0
DATE 28 MAY 2004

If we connect more than 4 cables of the connector cable (6 in total) the server crashes....
Anyone knows what might be a solution?

Also sometimes the ports hang after playback, even after setting CLS LDTA. Might the CLS FDSA be a solution for this?

I'm still wandering what I'm doing here