Installation and Upgrades for DEFINITY ONE and
IP600 Internet Protocol Release 10
555-233-109
Issue 6
December 2001
Cable Pinouts
A-4TN464GP option settings
A
TN464GP option settings
The TN464GP DS1/E1 interface - T1/E1 circuit pack interfaces between a 24- or
32-channel Central Office/ISDN or tie trunk and the TDM bus.
Set the switches on the circuit pack to select bit rate and impedance match. See
Table A-4 and Figure A-2. If the top switch setting is set to 32 Channel, set the
lower switch setting to either 120 Ohm or 75 Ohm.
Figure A-2. TN464GP option settings
Table A-4. Option switch settings on TN464GP
120 Ohms Twisted pair
75 Ohms Coaxial requiring 888B adapter
32 Channel 2.048 Mbps
24 Channel 1.544 Mbps
Figure Notes
1. TN464GP
2. Option Switch
3. 24/32 Channel Selector (24CH shown)
4. 75/120 Ohm Selector (120 Ohm shown)
ckdm464f KLC 051399
O
1
N
2
32CH 24CH
120
75
S
I
E
M
E
I
E
O
S
M
S
O
1
2
3
4
S
T
A
T
U
S
1
2
3
4