IBM Line Set 1A--#4686 (eight two-wire mM Line
Adapters for up to 4.75 miles--for 2740/2741)
IBM LineSet 1B--#4687 (eight four-wire IDM Line Adapters for up to 4. 75 miles--for 2740/ 2741)
IBM LineSet 2--#4688 (eight two-wire IBM Line
Adapters for up to 8 miles--for1030, 1050, 1060, 1070, 2740/2741)
Telegraph LineSet--#7897 (eight lines for leased
common-carrier private-line telegraph
service--for AT&T 83B2/83B3 and Western
Union Plan 115A terminals, or1050 terminals)
Telegraph LineSet Expander--#7898 (eight
additional lines)
World Trade Telegraph Single Current LineSet- #2829 (eight simplex or half-duplex single
current telegraph lines)
World Trade Telegraph Single Current LineSet Expander--#2830 (eight additional simplex
or half-duplex lines)
World Trade Telegraph Double Current Line
Set--#2831 (eight simplex or half-duplex
double current telegraph lines via IBM 3945
Model 11 Telegraph Line Termination (serial#200 or above)
World TradeTelep-raph Double Current Line Set Expander--#2832 (eight additional simplex or
half-duplex lines)Speed Options Line-Speed Option
service)20 50 bps--#2334 (World Trade teleprinters)
56.9 bps--#4874 (common-carrier telegraph
service)
74. 2 bps --#487 5 (common -carrier telegraph
service)
75 bps--#4876(1050 via telegraph channels
or World Trade teleprinters)100· bps--#2835 (World Trade teleprinters) 110 bps--#4877 (common-carrier TWX) 134.5 bps--#4878 (1050, 1060, 1070, 2740/274] 600 bps--#4879 (1030, 1070) 2712 Attachment Features
2712 Attachment--#8043 (for Modell and/or 2)
2712 Model 1 Adapter--#8047 (for eight lines to
a 2712 Modell)
2712 ModellE:x-pander--#8048 (for two additional
lines)
2712 Model 2 Adapter--#8057 (for eight lines to a
2712 Model 2)
2712 Model 2 Expander--#8058 (for six additional
lines)
Synchronous Type Communications(BSC) Terminal-Control Features
Synchronous Terminal Control:
EBCDIC code--#7715USASCII code--#7716 Six-Bit Transcode--#7717 Station Selection--#7473 (required for any BSC equipped 2703 using a leased line and operating
as a remote--tributary--station in a centralized
multipoint network)
Line-Base Features
Base Expansion--#1440 (permits use of the Synch
ronous Attachment)
Synchronous Attachment--#7702 (permits attach
ment of communications lines for synchronous
operation)Synchronous Base Type l.A--#7703 (up to 24 lines
for Synchronous Terminal Control using either
EBCDIC orUSASCII) Synchronous Base Type 1B--#7704 (up to 16 lines
for Synchronous Terminal Control usingSix Bit Transcode, EBCDIC, or USASCII) Synchronous Base Type 2A--#7706 (up to 12 lines
for Synchronous Terminal Control usingEBCDIC or USASCII) Line-Set Features
Domestic
Synchronous LineSet--#7710 (up to four lines of
voice-grade quality for synchronous operation)Synchronous Clock--#7705 (for attachment of
Western Electric DataSets 202C1 or 202D1 or
equivalent)
World TradeSet--#2902 (for attacru'Ttent of
up to four synchronous lines controlling data
transfer betweenSystem/360 and synchronous
data devices,except with Japanese NTT
modems. For operation of Synchronous LineSet--#2902 on the Switched Telephone Network
inSweden or United Kingdom, Attachment Fea
ture #2975 is required for attachment of PTT
modems. )Synchronous Line Set--#2974 (for attachment of
up to four synchronous lines controlling data
Adapters for up to 4.75 miles--for 2740/2741)
IBM Line
IBM Line
Adapters for up to 8 miles--for
Telegraph Line
common-carrier private-line telegraph
service--for AT&T 83B2/83B3 and Western
Union Plan 115A terminals, or
Telegraph Line
additional lines)
World Trade Telegraph Single Current Line
current telegraph lines)
World Trade Telegraph Single Current Line
or half-duplex lines)
World Trade Telegraph Double Current Line
Set--#2831 (eight simplex or half-duplex
double current telegraph lines via IBM 3945
Model 11 Telegraph Line Termination (serial
World Trade
half-duplex lines)
service)
56.9 bps--#4874 (common-carrier telegraph
service)
74. 2 bps --#487 5 (common -carrier telegraph
service)
75 bps--#4876
or World Trade teleprinters)
2712 Attachment--#8043 (for Modell and/or 2)
2712 Model 1 Adapter--#8047 (for eight lines to
a 2712 Modell)
2712 Modell
lines)
2712 Model 2 Adapter--#8057 (for eight lines to a
2712 Model 2)
2712 Model 2 Expander--#8058 (for six additional
lines)
Synchronous Type Communications
Synchronous Terminal Control:
EBCDIC code--#7715
as a remote--tributary--station in a centralized
multipoint network)
Line-Base Features
Base Expansion--#1440 (permits use of the Synch
ronous Attachment)
Synchronous Attachment--#7702 (permits attach
ment of communications lines for synchronous
operation)
for Synchronous Terminal Control using either
EBCDIC or
for Synchronous Terminal Control using
for Synchronous Terminal Control using
Domestic
Synchronous Line
voice-grade quality for synchronous operation)
Western Electric Data
equivalent)
World Trade
up to four synchronous lines controlling data
transfer between
data devices,
modems. For operation of Synchronous Line
in
ture #2975 is required for attachment of PTT
modems. )
up to four synchronous lines controlling data
