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IPX Cabling Summary

IPX Cabling Summary

IPX Cabling Summary


Introduction

This appendix provides details on the IPX cabling required to connect customer devices and lines to the IPX node.

Note In all cable references, the transmit direction is from the IPX, receive is to the IPX.


T1 Cabling

Trunk cables connect the customer DSX-1 crossconnect point or T1-E1 Channel Service Unit to the IPX node at the BC-T1 or BC-E1 back card. Refer to Table C-1 for details.

Table C-1 : T1 Trunk/Circuit Line Cabling Specification

Cable Parameter Description
Cable Type: Western Electric 22 AWG, ABAM individually shielded twisted pair. Two pair per T1 line (1 transmit and 1 receive).
Cable Connector: Male DB-15 subminiature. See Table A-2 for pinouts. The connector pinouts are the same for the both the BA-T1 and for the MT3 Distribution Panel.
Max. Cable Length: 655 ft (199 m.) maximum between the IPX and the first repeater or CSU. Selection of cable length equalizers.

Table C-2 : T1 Connector Pin Assignments

Pin # Description
1 Transmit, Tip
2 Transmit Pair Shield
3 Receive, Tip
4 Receive Pair Shield
9 Transmit, Ring
11 Receive, Ring

Note Transmit direction is towards the T1 trunk.


E1 Cabling

E1 trunk cables connect the customer DSX-1 crossconnect point or E1 Channel Service Unit to the IPX node at the BC-E1 back card.

Table C-3 : E1 Trunk/Circuit Line Cabling Specification

Cable Parameter Description
Cable Type: 75-ohm coax cable for unbalanced connection or 100--120-ohm twisted pair for balanced connection. Two cables/pairs (1 transmit, 1 receive) per E1 line.
Cable Connector: Two female BNC for unbalanced connection; male DB15 for balanced connection. See Tables A-2 and A-3 for pinouts.
Max. Cable Length: Approx. 100 meters maximum between the IPX and the first repeater or CSU. Equalizer for cable length.

Table C-4 : E1 Connector Pin Assignments (unbalanced)

Connector Description
Rx BNC Receive E1 from trunk
Tx BNC Transmit E1 to trunk

Table C-5 : E1 Connector Pin Assignments (balanced)

Pin # Description
1 Receive, Tip
9 Receive, Ring
2 Receive Pair Shield
3 Transmit, Tip
11 Transmit, Ring
10 Transmit Pair Shield

Note Transmit direction is towards the E1 trunk.


Subrate (SR) Cabling

Table C-6 : Subrate Trunk Cabling Specification

Cable Parameter Description
Cable Type: 100--120-ohm twisted pair telephone cable.
Cable Connector: V.11, DB15 subminiature, male.
V.35, 34 pin M block (Winchester), male.
MIL188/RS-449, DB-37 subminiature, male.
See Tables A-4 through A-6 for pinouts.
Max. Cable Length: Depends on operating speed. Ranges from 400 m. for 256 Kbps to 50 m. for 1.92 Mbps.

Table C-7 : SR Connector Pin Assignments (V.11)

Pin # Description
1 Shield ground
2 TX-A
9 TX-B
3 CA
10 CB
4 RX-A
11 RX-B
5 IA
12 IB
6 SA
13 SB
7 not used
8 Signal ground
14 not used
15 not used

Table C-8 : SR Connector Pin Assignments (V.35)

Pin # Name Source Description
A Gnd. both Protective (Shield) ground
B Sig. Gnd. both Signal ground
C RTS DTE Request to Send
D CTS DCE Clear to Send
E DSR DCE Data Set Ready
F DCD DCE Data Carrier Detect (RLSD)
H DTR DTE Data Terminal Ready
J RI DCE Ring Indicator
K TM DCE Test Mode
L-N not used
P/S TxD DTE Transmit Data from DTE
R/T RxD DCE Received Data to DTE
U/W XTC DTE External Transmitter Clock
V/X RxC DCE Receiver Clock
Y/AA TxC DCE Transmitter Clock
BB-EE not used

Table C-9 : SR Connector Pin Assignments (RS-449)

Pin # IPX Name EIAName Source Description
1 Frm. Gnd. Both Shield Ground
2 SI SI DCE Signaling Rate Indicator (to DTE)
4/22 TxD SD DTE Transmit Data from DTE
5/23 TxC ST DCE Transmitter Clock
6/24 RxD RD DCE Received Data to DTE
7/25 RTS RS DTE Request to Send
8/26 RxC RT DCE Receiver Clock
9/27 CTS CS DCE Clear to Send
10 LL LL DTE Local Loopback
11/29 DSR DM DCE Data Set Ready
12/30 DTR TR DTE Data Terminal Ready
13/31 DCD RR DCE Data Carrier Detect (RLSD)
14 RL RL DTE Remote Loopback
15 RI IC DCE Ring Indicator
16 SF SF DTE Signal Rate Select (to DCE)
17/35 XTC TT DTE External Transmitter Clock
18 TM TM DCE Test Mode
19 Sig. Gnd. SG Both Signal Ground
20 RC DCE Receive Common
28 BSY IS DTE Busy (in service)
32 SS SS DTE Select Standby
33 SQ SQ DCE Signal Quality Detect
34 NS NS DTE New Synchronization
36 SB SB DCE Standby Indicator
37 SC DTE Send Common
3, 21 Spare


ATM Cabling

ATM Trunk cables connect the AIT back card to a DSX-3 cross-connect point, another AIT back card in a co-located node, or to a BPX node at the BNI LM-3T3 back card.

Table C-10 : T3 /E3 Trunk Cables

Cable Parameter Description
Type: 75-ohm coax cable (RG-59 B/U for short runs, AT&T 734A for longer runs). Two per T3/E3 line (XMT and RCV).
Max. Length: 450 feet max. between the ATM back card and the DSX3 point, or ATM trunk card.
Connector Female BNC; Rx is receive T3/E3 to ATM back card, Tx is transmit T3/E3 to DSX-3 cross-connect.

Table C-11 : T3 Connector Pin Assignments

Connector Description
Rx BNC Receive T3 from trunk
Tx BNC Transmit T3 to trunk


Data Cabling

Cables for use with the LDP and SDP for synchronous and asynchronous data circuits are specified in Table C-12.

Table C-12 : Synchronous Data Cables

Cable Parameter Description
Cable Type: Standard RS-232C/D (V.24), V.35, or RS449/422 (with adaptor cable for X.21).
Cable Connectors: RS-232C/D (V.24): DB-25 Subminiature, male.
V.35: 34 pin M block-type (Winchester), male.
RS-449/422: DB-37 Subminiature, male. See Tables A-9 through A-17 for pinouts.
Max. Cable Length: Not to exceed interface standards.


SDI RS-232D Port Pin Assignments

Table C-13 contains a listing of IPX RS-232D Port pin assignments for the SDI data card. A standard RS-232 cable is used for this application.

Table C-13 : SDI RS-232D Port Pin Assignments

Pin # IPX Name EIA Name Source Description
1 Frame Gnd. AA Both Frame Ground
2 TxD BA DTE Transmit Data from DTE
3 RxD BB DCE Received Data to DTE
4 RTS CA DTE Request to Send
5 CTS CB DCE Clear to Send
6 DSR CC DCE Data Set Ready
7 Signal Ground
8 DCD CF DCE Data Carrier Detect (RLSD)
9 +VS Both +12 volt test
10 --VS Both --12 volt test
11 QM DCE Equalizer Mode (to DTE only)
12 SDCD SCF DCE Secondary Data Carrier Detect
13 SCTS SCB DCE Secondary Clear to Send
14 STxD SBA DTE Secondary Transmit Data
15 TxC DB DCE Transmitter Clock
16 SRxD SBB DCE Secondary Received Data
17 RxC DD DCE Receiver Clock
18 RL DTE Remote Loop Back
19 SRTS SCA DTE Secondary Request to Send
20 DTR CD DTE Data Terminal Ready
21 SQ CG DCE Signal Quality Detect
22 RI CE DCE Ring Indicator
23 SF CH DTE Signal Rate Select (to DCE)
23 SI CI DCE Signaling Rate Indicator (to DTE)
24 XTC DA DTE External Transmitter Clock
25 TST DCE Test Indicator


SDI RS-232C (V.24) Port Pin Assignments

Table C-14 contains a listing of IPX RS-232 Port pin assignments for the SDI data card. A standard RS-232 (V.24) cable is used for this application.

Table C-14 : SDI RS-232C Port Pin Assignments

Pin # IPX Name EIA Name Source Description
1 Frame Gnd. AA Both Frame Ground
2 TxD BA DTE Transmit Data from DTE
3 RxD BB DCE Received Data to DTE
4 RTS CA DTE Request to Send
5 CTS CB DCE Clear to Send
6 DSR CC DCE Data Set Ready
7 Signal Ground
8 DCD CF DCE Data Carrier Detect (RLSD)
9 +VS Both +12 volt test
10 --VS Both --12 volt test
11 QM Pin 11 DCE
DTE 		Equalizer Mode (to DTE).
Pin 11 to (DCE)
12 SDCD SCF DCE Secondary Data Carrier Detect
13 SCTS SCB DCE Secondary Clear to Send
14 STxD SBA DTE Secondary Transmit Data
15 TxC DB DCE Transmitter Clock
16 SRxD SBB DCE Secondary Received Data
17 RxC DD DCE Receiver Clock
18 DCR DCE Divided Receiver Clock
19 SRTS SCA DTE Secondary Request to Send
20 DTR CD DTE Data Terminal Ready
21 SQ CG DCE Signal Quality Detect
22 RI CE DCE Ring Indicator
23 SFCI CH
CI 		DTE
DCE 		Signal Rate Select (to DCE).
Signaling Rate Indicator (to DTE)
24 XTC DA DTE External Transmitter Clock
25 BSY DTE Busy (in service)


SDI RS-449/422 Port Pin Assignments

Table C-15 contains a listing of IPX RS-449/422 port pin assignments. A standard RS-449 cable is used for this application unless interface is X.21.

Table C-15 : SDI RS-449/422 Port Pin Assignments

Pin # IPX Name EIA Name Source Description
1 Both Shield Ground
2 SI SI DCE Signaling Rate Indicator (to DTE)
3 Spare
4/22 TxD SD DTE Transmit Data from DTE
5/23 TxC ST DCE Transmitter Clock
6/24 RxD RD DCE Received Data to DTE
7/25 RTS RS DTE Request to Send
8/26 RxC RT DCE Receiver Clock
9/27 CTS CS DCE Clear to Send
10 LL LL DTE Local Loopback
11/29 DSR DM DCE Data Set Ready
12/30 DTR TR DTE Data Terminal Ready
13/31 DCD RR DCE Data Carrier Detect (RLSD)
14 RL RL DTE Remote Loopback
15 RI IC DCE Ring Indicator
16 SF SF DTE Signal Rate Select (to DCE)
17/35 XTC TT DTE External Transmitter Clock
18 TM TM DTE Test Mode
19 SG Both Signal Ground
20 RC DCE Receive Common
21 Spare
28 BSY IS DTE Busy (in service)
32 SS SS DTE Select Standby
33 SQ SQ DCE Signal Quality Detect
34 NS NS DTE New Synchronization
36 SB SB DCE Standby Indicator
37 SC DTE Send Common

See Table C-16 and Table C-17 for Wire Lists for adapter cables for X.21 application. This adapter cable is available in two models, one is used when the SDI is a DCE, the other when it is a DTE. It has a male DB-37 on the IPX end and a female DB-15 (DCE) or male DB-15 (DTE) on the user end.

Table C-16 : Wiring List, SDI RS-449 to X.21 Adapter Cable (for RS-449 DCE Port)

DB-37
Pin #
(SDI)

IPX Name 		DB-15
Pin #
(User)

Description
1 Drain 1 Frame Ground
4 TxD-A 2 Transmit Data from DTE
22 TxD-B 9 Transmit Data from DTE
6 RxD-A 4 Receive Data to DTE
24 RxD-B 11 Receive Data to DTE
7 RTS-A 3 Request to Send
25 RTS-B 10 Request to Send
9 CTS-A 5 Clear to Send
27 CTS-A 12 Clear to Send
8 RxC-A 6 Receive Clock
26 RxC-B 13 Receive Clock
19 SG 8 Signal Ground

Table C-17 : Wiring List, SDI RS-449 to X.21 Adapter Cable (for RS-449 DTE Port)

DB-37
Pin #
(SDI)
IPX
Name 		DB-15
Pin #
(User)

Description
1 Drain 1 Frame Ground
4 TxD-A 2 Transmit Data from DTE
22 TxD-B 9 Transmit Data from DTE
6 RxD-A 4 Receive Data to DTE
24 RxD-B 11 Receive Data to DTE
7 RTS-A 3 Request to Send
25 RTS-B 10 Request to Send
9 CTS-A 5 Clear to Send
27 CTS-A 12 Clear to Send
5 TxC-A 6 Transmit Clock
23 TxC-B 13 Transmit Clock
19 SG 8 Signal Ground
5 to 8 TxC-A Receive Clock1
23 to 26 TxC-B Receive Clock1

1 Loops Receive Clock to Transmit Clock when necessary.


SDI V.35 Port Pin Assignments

Table C-18 contains a listing of IPX V.35 Port pin assignments for the SDI card. A standard V.35 cable is used for this application.

Table C-18 : SDI V.35 Port Pin Assignments

Pin # Name Source Description
A Gnd. both Protective (Shield) ground
B Sig. Gnd. both Signal ground
C RTS DTE Request to Send
D CTS DCE Clear to Send
E DSR DCE Data Set Ready
F DCD DCE Data Carrier Detect (RLSD)
H DTR DTE Data Terminal Ready
J RI DCE Ring Indicator
K TM DCE Test Mode
P/S TxD DTE Transmit Data from DTE
R/T RxD DCE Receive Data to DTE
U/W XTC DTE External Transmitter Clock
V/X RxC DCE Receiver Clock
Y/a TxC DCE Transmitter Clock


LDI RS-232 Port Pin Assignments

Table C-19 lists the LDI RS-232 Port Pin Assignments at the DB-15 connector on the card. The LDP card supports only a limited subset of EIA control leads. The LDI is always used with a DCE or DTE DB-15 to DB-25 Adapter Cable. Refer to Table C-19 and Table C-20 for wiring lists and the pin-outs for the standard male DB-25 connector to the user data device.

Table C-19 : LDI RS-232C Port Pin Assignments

Pin # IPX Name EIA Name Source Description
1 Shield AA Both Frame Ground
2 TxD BA DTE Transmit Data from DTE
3 CTS CB DCE Clear to Send
4 RxD BB DCE Received Data to DTE
5 RTS CA DTE Request to Send
6 XTC DB DCE Transmitter Clock
7 RxC DD DCE Receiver Clock
8 SG AB Both Signal Ground
9 DSR CC DCE Data Set Ready
10 DTR CD DTE Data Terminal Ready
11 +VS Both +12V test voltage
12 --VS Both --12V test voltage
13 DCD CF DCE Data Carrier Detect (RLSD)
14 RL DTE Remote Loop (for modem loopback)
15 MOD Mode Select for cable (DTE or DCE)

Table C-20 : Wiring List, DB15 to DB25 Adapter Cable (LDI as DTE) 1

DB-15
Pin #
(LDI)
IPX
Name 		DB-25
Pin #
(User)

Description
1 Frm. Gnd. 1 Frame Ground
2 RxD 3 Received Data to DTE
3 RTS 4 Request to Send
4 TxD 2 Transmit Data from DTE
5 CTS 5 Clear to Send
6 XTC 24 External Transmit Clock
7 RxC 17 Receive Clock
8 SG 7 Signal Ground
9 DTR 20 Data Terminal Ready
10 DSR 6 Data Set Ready
11 +VS 9 +12V test voltage 2
12 --VS 10 --12V test voltage 2
13 DCD 8 Data Carrier Detect (RLSD)
14 RL 21 Remote Loop output
15 MOD n.c. Connects internally to DB15-8
(3) LL 18 Local Loop output
1. This may be ordered in 25' length as StrataCom Model 5626-25.
2. May be used to force a control lead permanently high or low.
3. There is no LDI local loop output. Suggest using DTR output, DB15-9.

Note There are two adapter cables used with the LDI card. The choice of cable determines whether the LDI card acts as a DCE or as a DTE. These may be ordered from StrataCom or made up by the customer. Make sure the correct cable is used for the type of user device connected

Table C-21 : Wiring List, DB15 to DB25 Adapter Cable (LDI as DCE) 1

DB-15
Pin #
(LDI)
IPX
Name 		DB-25
Pin #
(User)

Description
1 Shield 1 Frame Ground
2 TxD 2 Transmit Data from DTE
3 CTS 5 Clear to Send
4 RxD 3 Receive Data to DTE
5 RTS 4 Request to Send
6 RxC 17 * Receive Clock, connects to DB25-15 for looped clock
7 XTC 24 External Transmit Clock
8 SG 7 Signal Ground
9 DSR 6 Data Set Ready
10 DTR 20 Data Terminal Ready
11 +VS 9 +12V test voltage (Note 2)
12 -VS 10 -12V test voltage (Note 2)
13 n.c. n.c. not used
14 DCD 8 Data Carrier Detect (RLSD)
15 MOD n.c. Mode Select, no connection for DCE cable
n.c. TxC 15 * Transmit Clock, connects to DB25-17 for looped clock
1. This may be ordered in a 25' length as StrataCom Model 5625-25.


LDI DDS Port Pin Assignments

Table C-22 contains a listing of DB15 DDS port pin assignments on the LDI4/DDS card. Standard twisted pair cable is used for this application.

Table C-22 : DDS Connector Pinouts

Pin # Mnemonic Name Description
1 TTIP Transmit Tip Transmit output from the port -tip side
9 TRING Transmit Ring Transmit output from the port -ring side
2 GND Ground Ground for transmit pair shield
3 RTIP Receive Tip Receive input to the port -tip side
11 RRING Receive Ring Receive input to the port -ring side
4 GND Ground Ground for receive pair shield
5--8 not used
10 not used
12--15 not used


FRI V.35 Port Pin Assignments

Table C-23 contains a listing of IPX V.35 Port pin assignments for the Frame Relay FRI card. A standard V.35 cable is used for this application.

Table C-23 : FRI V.35 Port Pin Assignments

Pin # Name Source Description
A Gnd. both Protective (Shield) ground
B Sig. Gnd. both Signal ground
C RTS DTE Request to Send
D CTS DCE Clear to Send
E DSR DCE Data Set Ready
F DCD DCE Data Carrier Detect
H DTR DTE Data Terminal Ready
L LLB DTE Local Loopback command to user device
N RLB DTE Remote Loopback command to user device
n TM DTE Test Mode indicates user device. ready for test
P/S TxD DTE Transmit Data from DTE
R/T RxD DCE Receive Data to DTE
U/W XTC DTE External Transmitter Clock
V/X RxC DCE Receiver Clock
Y/a TxC DCE Transmitter Clock


Port Concentrator Cables


Concentrated Link or X.24/V.11 Cable

This cable is used to connect the PCS to an FRM-2 or FRP-2 card. It can also be used as an X.24/V.11 cable to a user device.

Table C-24 : Concentrated Link or X.24/V.11 Cable

PCS
25-pin male 		FRP/FRM 15-pin male Signals
1 1 Shield
7 8 G
2 2 TA
14 9 TB
3 4 RA
16 11 RB
4 3 CA
23 10 CB
8 5 IA
9 12 IB
15 6 SA
13 13 SB


V.28 Interface Cable

The following cable is used to connect a PCS port with a V.28 interface to a user device.

Table C-25 : V.28 Cable

PCS port
25-pin male 		User Device
25-pin male 		Signals
1 1 Shield
2 2 103
3 3 104
4 4 105
5 5 106
6 6 107
8 8 109
15 15 114
7 7 102
17 17 115
18 18 141
20 20 108
21 21 140
10 10 117
9 9 116
22 22 125
23 23 111
25 25 142


V.35 Interface Cable

The following cable is used to connect a PCS port with a V.35 interface to a user device.

Table C-26 : V.35 Cable

PCS port
25-pin male 		User Device
34-pin male 		Signals
17 V 115A
12 X 115B
15 Y 114A
13 AA 114B
3 R 104A
16 T 104B
2 P 103A
14 S 103B
7 B 102
5 D 106
8 F 109
22 J 125
18 L 141
21 N 140
6 E 107
20 H 108
4 C 105
25 NN 142
1 A Shield
24 U 113A
11 W 113B


X.21bis V.10/V.11 (RS449) DTE Cable

The following cable is used to connect a PCS port with a V.11 DTE interface to a user device.

Table C-27 : X.21bis V.10/V.11 (RS449) DTE Cable

PCS port
25-pin male 		User Device
37-pin male 		Signals
1 1 Shield
7 37 102A
10 20 102B
2 4 103A
14 22 103B
3 6 104A
16 24 104B
4 7 105A
23 25 105B
5 9 106
10 27 102B
6 11 107
10 29 102B
20 12 108
7 30 102A
8 13 109A
9 31 109B
15 5 114A
13 23 114B
17 8 115A
12 26 115B
21 14 140
18 10 141
25 18 142


X.21bis V.10/V.11 (RS449) DCE Cable

The following cable is used to connect a PCS port with a V.11 DCE interface to a user device.

Table C-28 : X.21bis V.10/V.11 (RS449) DCE Cable

PCS port
25-pin male 		User Device
37-pin male 		Signals
1 1 Shield
10 37 102A
7 20 102B
2 4 103A
14 22 103B
3 6 104A
16 24 104B
4 7 105A
23 25 105B
5 9 106
7 27 102B
6 11 107
7 29 102B
20 12 108
10 30 102A
8 13 109A
9 31 109B
15 5 114A
13 23 114B
17 8 115A
12 26 115B
21 14 140
18 10 141
25 18 142


Redundancy Cabling

The redundancy cables are a special "Y" cable available from StrataCom. They are required for redundant data and trunk interfaces. Table C-29 lists the Y-cables used for redundancy for various IPX back cards.

Table C-29 : Redundancy Y-Cables

Cable Used On StrataCom P/N
RS-232C SDI 5624
RS-232D SDI 5624
RS-232 LDI 5629
V.35 SDI 5635
V.35 SDI special DTE/DCE jumper
RS-422/449 SDI 5644
T1 BC-T1 5607
E1 BC-E1 5685


Power Cabling


AC Power Cabling

Cable: Provided with 6 feet of 4-conductor wire with plug.
Connector: (T1 systems prior to August 1994) 30 A NEMA, Twist Lock, NEMA L14 30R. (T1 systems after July 1994) 20 A NEMA, Twist Lock, NEMA L6 20R. (E1 systems) 32 A 220/240 VAC Type S 32.20 (DIN 49 462) 3-pin plug.


DC Power Cabling

Cable: Single conductor. Wire gauge determined by distance between IPX and power source. (Contact StrataCom ISC for specific information.).
Connector: Ring lug for screw terminal block.


SCC Cabling

This cabling connects the Network Management ports on the SCC to StrataView Network Management computers, control terminals, and modems. It is also used for external clock inputs from a clock source.


Auxiliary and Control Port Cabling

Interface: The IPX SCC auxiliary and control ports are configured as an RS-232 DCE port.
Suggested Cable: 24 AWG, 25-pair. A straight-through RS-232 cable is used for a terminal or printer connection. A null modem cable is needed when interfacing with modems on either port.
Cable Length: 50 feet (15 m.) max.
Cable Connector: DB-25, subminiature, male. Table C-30 contains a list of the port pin assignments.

Table C-30 : SCC AUX. and CONT. Port Pin Assignments

Pin# Name Source Description
1 FG both Frame Ground
2 TxD DTE Transmit Data
3 RxD DCE Receive Data
4 RTS DTE Request to Send
5 CTS DCE Clear to Send
6 DSR DCE Data Set Ready
7 SG both Signal Ground
8 CD DCE Carrier Detect
20 DTR DTE Data Term Ready


Modem Cabling

For modem cabling informations, refer to Appendix B.


External Clock Input Cabling

This cable is for connecting external clock inputs to the SCC EXT. CLK. connector. There are two separate inputs, A and B, for primary and standby clock sources, either one or both of which may be 1.544 Mbps or 2.048 Mbps rate.

Table C-31 : Ext. Clock Cabling Specification

Cable Parameter Description
Interface: Differential RS 422.
Suggested Cable: 24 AWG, individually shielded, 1 or 2-pair.
Cable Connector: DB-15, subminiature, male. See Table A-21 for pinouts.
Max. Cable Length: 50 feet (15 m.)

Table C-32 : EXT. CLK. Connector Pin Assignments

Pin # Description
1 Ext. Clk 1-A
9 Ext. Clk 1-B
2 Shield gnd. pair 1
3 Ext. Clk 2-A
11 Ext. Clk 2-B
4 Shield gnd. pair 1
5 8.192 MHz. test output1

1 For factory use only.


External Alarm Cabling

This cable is for connecting network alarm outputs to the DTI Faceplate, or the ARI card Alarm connector only. Table C-33 lists the pinouts for the network alarm outputs.

Table C-33 : External Alarm Interface

Parameter Description
Interface: Dry-contact relay closure.
Wire: 24 AWG, shielded, 10-pair.
Connector: DB-37, Subminiature, male

Table C-34 : Network Alarm Pin Assignments

Pin# Name Description
1 CHASSIS Chassis Ground
2 Reserved
3 NWMAJA Network Major Alarm
4 NWMAJC Network Major Alarm
5 Reserved
6 Reserved
7 Reserved
8 Reserved
9 Reserved
10 MNVISA Minor Visual Alarm
11 Reserved
12 MNVISC Minor Visual Alarm
13 Reserved
14 Unused
15 Unused
16 MJAUDC Major Audible Alarm
17 MJAUDA Major Audible Alarm
18 Unused
19 Unused
20 Reserved
21 Reserved
22 Reserved
23 NWMINA Network Minor Alarm
24 Reserved
25 NWMINC Network Minor Alarm
26 Reserved
27 Reserved
28 Reserved
29 MNAUDA Minor Audible Alarm
30 Reserved
31 MNAUDC Minor Audible Alarm
32 Unused
33 Unused
34 Unused
35 MJVISC Major Visual Alarm
36 MJVISA Major Visual Alarm
37 Unused

Note Pins whose names end in A are normally open. Pins whose names end in C are common.


Standard IPX Cables

Table C-35 lists the cables that may be ordered directly from StrataCom. Cable lengths are specified as a suffix to the IPX model number. For example, 5610-50 indicates a 50 foot cable. Cables are generally available in standard lengths of 10 ft (3 m.), 25 ft (7.6 m.), 50 ft (15 m.), 75 ft (22.8 m.), and 100 ft (30 m.). Lengths of 101 ft. (30 m.) to 600 ft. (183 m.) are available on a special order.

When a cable is connectorized, the connector gender (male-female) will be indicated as well as the number of pins. For example T1/M15-M15 indicates a cable terminated with a male DB15 at both ends.

Table C-35 : Standard IPX Cables Available from StrataCom

Model# Description Usage
5605 T1, 12 pair, pigtail-pigtail T1 trunk, general
5608 T1, pigtail to RJ48 CSU to telco demarc
5618 T1, F15 to RJ48 CSU to telco demarc
5619 T1, RJ48 to RJ48 CSU to telco demarc
5609 T1, 2 pair, pigtail-pigtail, Teflon CSU to DSX; for fire resistance code
5610 T1, 2 pair, pigtail-pigtail CSU to DSX, echo canceller to chan. bank
5611 T1/M15-pigtail T1 trunk to CSU, DSX; external echo canceller to PBX, chan. bank.
5612 T1, F15 sliplock-pigtail same as 5611
5613 T1/F15-pigtail same as 5611
5614 T1/M15-M15 turnover E1 trunk to CSU
5615 T1/M15-M15 sliplock same as 5611
5616 T1/M15-M15 same as 5611
5617 T1/F15 sliplock-RJ48 same as 5610
5618 T1/F15-RJ48
5619 T1/RJ48-RJ48 CSU to connectorized patch panel
5680 BNC-DB15 E1 trunk
5685 T1/M15-M15 turnover, Y-cable E1 trunk redundancy
5630 V.35/M34-F34 Subrate trunk or data circuit
5633 V.35/M34-M34 Subrate trunk or data circuit
5636 V.35 Y-cable Subrate trunk or data circuit redundancy
5640 RS-422/M37-F-37 Subrate trunk or data circuit
5643 RS-422/M37-M-37 Subrate trunk or data circuit
5645 RS-422/X.21 adapter-DTE IPX is DTE
5646 RS-422/X.21 adapter-DCE IPX is DCE
5644 RS-422 Y-cable Subrate trunk or data circuit redundancy
5690 X.21/V.11 DTE-M to DCE-M Subrate trunk or data circuit
5691 X.21/V.11 DTE-M to DCE-F Subrate trunk or data circuit
5695 X.21/DB15 Y-cable Subrate trunk or data circuit redundancy
5620 RS-232/M25-F25 Control port to control terminal, StrataView, or ext. window device
5621 RS-232/M25-M25 special Control or Aux. port to modem
5622 RS-232/M25-M25 special Aux. port to Okidata 182 printer
5623 RS-232/M25-M25 Aux. port to ext. window device
5625 V.35/M15-F25 LDI8 (DCE) to data device
5626 V.35/M15-M25 LDI8 (DTE) to data device
5628 V.35/M15-F25 adapter LDI8 (DCE) to data device
5627 V.35/M15-F25 adapter LDI8 (DTE) to data device
5629 RS 232/M15-M15, Y-cable LDI redundancy
5651 F50 Amphenol-M50 Amphenol VF, chan. bank to P66 block
5660 Punch-down block w/F50 Amphenol VF termination
TBD 75-ohm coax/BNC T3 trunk to MT3DP connection
TBD 75-ohm coax/BNC-BNC T3 redundancy
TBD T1/M15-M15 MT3DP to BC-T1 or DTI
5601 Ground cable DC
5670 Molex-pigtail DC
5671 Spade lug-pigtail DC

Note Most cables listed as T1 can also be used for E1 service.


TTC JJ-20 (J1) Cabling

Table C-36 : Japanese J1 Cabling

Cable Parameter Description
Cable Type: 110 ohm twisted pair for balanced operation. Two cable pairs (1 transmit, 1 receive) per TTC line.
Cable Connection: Male DB15 for balanced connection. See Table C-37 for pinouts.
Max. Cable Length: Maximum cable length is determined by the loss in the cable. The maximum permissible loss is 13 dB.

Table C-37 : TTC Connector Pin Assignments (balanced)

Pin # Description
2 Send Tip S(T)
9 Send Ring S(R)
4 Receive Tip R(T)
11 Receive Ring R(R)
1 Ground

Note Transmit (send) direction is towards the IPX.


"Y" (Y1) Trunk Cabling

Table C-38 : Japanese Y1 Cabling

Pin # Description
Cable Type: 110 ohm twisted pair, balanced operation. Two cable pairs
(1 transmit, 1 receive) per Y1 line.
Cable Connection: Male DB15. SeeTable C-39 for pinouts.
Max. Cable Length: Maximum cable length is determined by Vp-p (Voltage peak-to-peak). The maximum permissible value is 1 Vp-p.

Table C-39 : "Y" Trunk Connector Pin Assignments (balanced)

Pin # Description
2 Transmit Tip T(A)
9 Transmit Ring T(B)
4 Receive Tip R(A)
11 Receive Ring R(B)
1 Shield

Note Transmit direction is towards the "Y" trunk.

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