TB 11-6625 -3263-25
Items Potentially Replaceable
Designator
LIN
NSN
Condition Code
1200
NONE
I1, I3, E94
1645A
NONE
I1, T4
3780
NONE
NONE
I1, I3, E90
418A1
NONE
NONE
I1, I3, T4, E78
901
NONE
6625-01-064-7144
I1
TS-3641
NONE
NONE
I3, E91, E93, T4
TS-3642
NONE
I3, E91, E92
Condition Codes
Code
Condition
E78
Item is battery operated; TEMOD item is not. Replace with TEMOD item if
battery operation is not required.
E90
The HP3780 bit range is from 1 kbps to 50 Mbps where the bit rate of the
TS-4281()/G is from 75 bps to 13 Mbps.
E91
The TS-3641 and TS-3642 both have a TTL impedance of 150 ohms
Input/Output whereas the TS -4281()/G has a TTL impedance of 75 ohms
for both the unbalanced output and the unbalanced input along with an
auxiliary interface with a 50-ohm TTL output.
The TS-3642 specifies bipolar 75-ohm unbalanced input with -25 to -30
E92
dBm, bipolar 75 -ohm balanced input with +5 to -15 dBm, bipolar 75-ohm
unbalanced output with -72 dBm, and bipolar 75 -ohm balanced output with
+23, +10, and 0 dBm switch selectable levels which are not specified in
the TEMOD item.
Replace with the TEMOD item if the requirement is not for battery
E93
operated and weight and size are not of critical importance. TEMOD item
will not exceed 35 lbs.
The IDS 1200 contains bias distortion measurement capabilities which are
E94
not available in the TEMOD item.
The AYDIN 604M has a bit rate of 20 Mbps internal and 25 Mbps external
E95
where the TEMOD item has a bit rate capacity of 45 Mbps, provided the
optional commercial DS -3 interface module is used.
No type designator assigned. Commercial make and model number
I1
appears in Type Designator column.
The salient technical characteristics of the potentially replaceable TMDE
I3
that exceed those of the TEMOD item are listed in the appropriate "E"
code. These technical differences listed are the major differences in
performance between the two items; other technical differences may exist
which could prevent replaceability by the TEMOD item. Before a user
adopts the TEMOD item as a replacement, a detailed spec comparison
should be performed.
Although these items do not have a LIN; they will be included on the BOIP
P4
and will be removed from the field.
4-153
