TN857 CI-IP-ADAPTER-1 Telex IP-224 Ethernet Adapter
MT-4 Radio Systems
TECHNICAL NOTES
Page 2 of 6
LMRSALES@CODANCOMMS.COM
CODANCOMMS.COMTECHNICAL NOTE:
TN857, REV 2-0-0, © Oct 2018
CANADA/US +1 250 382 8268 | TOLL FREE +1 800 664 4066
Installation:
The A-PNL-AUX96-3 auxiliary connector can be used to connect the Telex IP-224 to a Codan Base Station with an
AC-3E or CI-BC-4E, as shown in Figure 1. Ensure jumpers JU67A (or JU67X for CI-BC-4E) and JU68 are installed
on the AC-3E and CI-BC-4E. On Codan MT-4 modules the CTCSS to Subtone connection is not required (CTCSS
is generated internally by the transmitter).
Figure 1: Codan Radio System to Telex IP-224 connection
CODAN RADIO EQUIPMENT
P1 (A-PNL-AUX96-3 CONTROL CONNECTOR)
TXA SECURE / CLEAR (OPTIONAL)
RX A COR
(GPIO 5) AUX 1 AUDIO O/P1
(GPIO 6) AUX 1 AUDIO O/P2
(GPIO 1) AUX 1 AUDIO I/P1
F1 NO
COR (DIG 6)
RX+
RX-
TX+
TX-
GND
F1 COM
PTT COM
MON COM
TELEX IP-224
ETHERNET REMOTE ADAPTER
C24
B8
B11
A11
C19
C20
(GPIO 2) AUX 1 AUDIO I/P2
(J5-5)
(J1-7)
(J3-5)
(J3-6)
(J3-1)
(J3-2)
(GPIO 14) AUX 1 PTT K PTT NO
C13
(J3-14)
CTCSS
C22
(J1-4)
TXA SUBTONE I/P
TXA CSEL D0
TXA CSEL D1
C21
(J2-1)
B21
(J2-2)
DIG0
TXA CSEL D2
TXA CSEL D3
A21 (J2-3)
C23
(J2-4)
DIG2
DIG1
DIG3
Jumpers Required For TXA Channel Select:
SR-39-1: JU50A, JU51A, JU52A, JU53A, Remove JU48
On older motherboards (Serial # 123125 and earlier)
the jumpers were as follows:
SR-39-1: JU24B, JU25B, JU26B, JU27B, Remove JU41
RXA SQUELCH OVERRIDE MONITOR NO
C10
(J4-9)
GROUND
GROUND
GROUND
GROUND
A32, B32
(J4-1)
A32, B32
(J4-2)
A32, B32
(J4-3)
A32, B32
(J4-4)
(CONNECTOR J8) +13.8V
GND
+12V
GND
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