Power Supply Connections (Boards without Ringing)
Signal Name	DB 62 Connector Pin No.	Male RJ21X Pin No.
-24 V DC	20 and 41	25
COMMON	21 and 42	50

Power Supply Connections (Boards With Ringing)
Signal Name	DB 62 Connector Pin No.	AMP Connector Pin No.	#6 Spade Connector Wire Color
Ext. BAT (-24V DC)	20, 41	1	Blue
Ext. BAT COMMON	21, 42	4	White w/ orange stripe
AC COMMON	61	3	Orange
AC RING (93V AC)	62	2	White w/ blue stripe

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Appendix D

Hardware Specifications

Host Interface

Electrical

PC-AT bus designed to IEEE P996 ISA

Mechanical

Designed to IBM's specification, as described in IBM's Personal Computer Hardware Reference Library publication 6361674, Prototype Adapter

Bus Speed

4-8 MHz

I/O Base Address

Selectable to any of 16 I/O addresses

Host Interface
Electrical	PC-AT bus designed to IEEE P996 ISA
Mechanical	Designed to IBM's specification, as described in IBM's Personal Computer Hardware Reference Library publication 6361674, Prototype Adapter
Bus Speed	4-8 MHz
I/O Base Address	Selectable to any of 16 I/O addresses

External Power Supply

Output

· -24V DC, 1A minimum current
· Boards With Ringing: 93V AC, 120mA minimum

Regulation

+/- 1 Volt

Ripple

5 mV rms maximum

External Power Supply
Output	· -24V DC, 1A minimum current · Boards With Ringing: 93V AC, 120mA minimum
Regulation	+/- 1 Volt
Ripple	5 mV rms maximum

Recommended Power Supplies

Boards without Ringing

NMS PS-16 (NMS part no. 2169)

Boards With Ringing

Viking power supply (NMS part no. 2961)

Recommended Power Supplies
Boards without Ringing	NMS PS-16 (NMS part no. 2169)
Boards With Ringing	Viking power supply (NMS part no. 2961)

Power Requirements

Supply Voltage

Current

+5 DC

1.25 A

+12 DC

160 mA

-12 DC

450 mA

Power Requirements
Supply Voltage	Current
+5 DC	1.25 A
+12 DC	160 mA
-12 DC	450 mA

Note: These figures correspond to an S Connect board with 24 port interface.




Environment Operating Temp 0 - 50 deg C Storage Temp -20 to 70 deg C Humidity 5% to 80%, non-condensing MVIP Compliant Interface · Switchable access to any of 512 MVIP timeslots · MVIP clock master or clock slave (software selectable) · Able to terminate the MVIP bus (jumper selectable) · Compatible with any MVIP compliant telephony interface Telephone Interface Crosstalk -80 dB maximum (0dB, 300 to 400 Hz) Line Interface Interfaces (hybrids) include Loop Start, Enhanced Loop Start and Operator Work Station (OWS) Connector A high density 62 pin female D-subminiature connector. The adapter cable, with a 62 pin male connector on one end and a male RJ21X on the other, provides for direct connection to a standard telephone company interface (and to a power supply, if required). LEDs Boards Without Ringing · An LED on the end bracket indicates whether the DC voltage is connected correctly. For details, see Chapter 4. Boards With Ringing · Two yellow LEDs on the end bracket indicate whether the AC and DC voltage are connected correctly. For details, see Chapter 4. · A green LED on the face of the board indicates whether the board is operating correctly. For details, see Chapter 4. · A red LED on the face of the board lights whenever the OWS phone on line interface 1 rings. For details, see Chapter 4. Bus Connectors PC-AT Bus Pin-outs and signals of the PC-AT bus follow IEEE P996 ISA specifications. MVIP Bus The MVIP bus connector is a shrouded 40-pin 3M 2540-50020B, positioned as specified in Section 3 of the MVIP-90 Standard, Release 1.1 manual. Pin-outs and signals of the MVIP bus follow the specifications given in the manual.

Environment
Operating Temp	0 - 50 deg C
Storage Temp	-20 to 70 deg C
Humidity	5% to 80%, non-condensing

MVIP Compliant Interface
· Switchable access to any of 512 MVIP timeslots · MVIP clock master or clock slave (software selectable) · Able to terminate the MVIP bus (jumper selectable) · Compatible with any MVIP compliant telephony interface

Telephone Interface
Crosstalk	-80 dB maximum (0dB, 300 to 400 Hz)
Line Interface	Interfaces (hybrids) include Loop Start, Enhanced Loop Start and Operator Work Station (OWS)
Connector	A high density 62 pin female D-subminiature connector. The adapter cable, with a 62 pin male connector on one end and a male RJ21X on the other, provides for direct connection to a standard telephone company interface (and to a power supply, if required).

LEDs
Boards Without Ringing	· An LED on the end bracket indicates whether the DC voltage is connected correctly. For details, see Chapter 4.
Boards With Ringing	· Two yellow LEDs on the end bracket indicate whether the AC and DC voltage are connected correctly. For details, see Chapter 4. · A green LED on the face of the board indicates whether the board is operating correctly. For details, see Chapter 4. · A red LED on the face of the board lights whenever the OWS phone on line interface 1 rings. For details, see Chapter 4.

Bus Connectors
PC-AT Bus	Pin-outs and signals of the PC-AT bus follow IEEE P996 ISA specifications.
MVIP Bus	The MVIP bus connector is a shrouded 40-pin 3M 2540-50020B, positioned as specified in Section 3 of the MVIP-90 Standard, Release 1.1 manual. Pin-outs and signals of the MVIP bus follow the specifications given in the manual.

Telephone Interface

The following tables list the signals and pin numbers from the AG Connect board to the telephone company line interface and power supply: Channel Signal Name DB 62 Connector Pin No. Male RJ21X Pin No. 1 R 44 1 T 43 26 2 R 23 2 T 22 27 3 R 2 3 T 1 28 4 R 3 4 T 24 29 5 R 4 5 T 25 30 6 R 46 6 T 45 31 7 R 5 7 T 26 32 8 R 6 8 T 27 33 9 R 7 9 T 28 34 10 R 49 10 T 48 35 11 R 8 11 T 29 36 12 R 9 12 T 30 37 13 R 10 13 T 31 38 14 R 52 14 T 51 39 15 R 11 15 T 32 40 16 R 12 16 T 33 41 17 R 13 17 T 34 42 18 R 55 18 T 54 43 19 R 14 19 T 35 44 20 R 15 20 T 36 45 21 R 16 21 T 37 46 22 R 50 22 T 57 47 23 R 17 23 T 38 48 24 R 18 24 T 39 49 Power Supply Connections (Boards without Ringing) Signal Name DB 62 Connector Pin No. Male RJ21X Pin No. -24 V DC 20 and 41 25 COMMON 21 and 42 50 . Power Supply Connections (Boards With Ringing) Signal Name DB 62 Connector Pin No. AMP Connector Pin No. #6 Spade Connector Wire Color Ext. BAT (-24V DC) 20, 41 1 Blue Ext. BAT COMMON 21, 42 4 White w/ orange stripe AC COMMON 61 3 Orange AC RING (93V AC) 62 2 White w/ blue stripe

Channel	Signal Name	DB 62 Connector Pin No.	Male RJ21X Pin No.
1	R	44	1
	T	43	26
2	R	23	2
	T	22	27
3	R	2	3
	T	1	28
4	R	3	4
	T	24	29
5	R	4	5
	T	25	30
6	R	46	6
	T	45	31
7	R	5	7
	T	26	32
8	R	6	8
	T	27	33
9	R	7	9
	T	28	34
10	R	49	10
	T	48	35
11	R	8	11
	T	29	36
12	R	9	12
	T	30	37
13	R	10	13
	T	31	38
14	R	52	14
	T	51	39
15	R	11	15
	T	32	40
16	R	12	16
	T	33	41
17	R	13	17
	T	34	42
18	R	55	18
	T	54	43
19	R	14	19
	T	35	44
20	R	15	20
	T	36	45
21	R	16	21
	T	37	46
22	R	50	22
	T	57	47
23	R	17	23
	T	38	48
24	R	18	24
	T	39	49

Conferencing Limits

Up to 16 seats may be distributed among up to 5 conferences. NMS recommends a maximum of 8 seats per conference.

(Page 1 of 1 in this chapter)

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Channel	Signal Name	DB 62 Connector Pin No.	Male RJ21X Pin No.
1	R	44	1
	T	43	26
2	R	23	2
	T	22	27
3	R	2	3
	T	1	28
4	R	3	4
	T	24	29
5	R	4	5
	T	25	30
6	R	46	6
	T	45	31
7	R	5	7
	T	26	32
8	R	6	8
	T	27	33
9	R	7	9
	T	28	34
10	R	49	10
	T	48	35
11	R	8	11
	T	29	36
12	R	9	12
	T	30	37
13	R	10	13
	T	31	38
14	R	52	14
	T	51	39
15	R	11	15
	T	32	40
16	R	12	16
	T	33	41
17	R	13	17
	T	34	42
18	R	55	18
	T	54	43
19	R	14	19
	T	35	44
20	R	15	20
	T	36	45
21	R	16	21
	T	37	46
22	R	50	22
	T	57	47
23	R	17	23
	T	38	48
24	R	18	24
	T	39	49

Channel	Signal Name	DB 62 Connector Pin No.	Male RJ21X Pin No.
1	R	44	1
	T	43	26
2	R	23	2
	T	22	27
3	R	2	3
	T	1	28
4	R	3	4
	T	24	29
5	R	4	5
	T	25	30
6	R	46	6
	T	45	31
7	R	5	7
	T	26	32
8	R	6	8
	T	27	33
9	R	7	9
	T	28	34
10	R	49	10
	T	48	35
11	R	8	11
	T	29	36
12	R	9	12
	T	30	37
13	R	10	13
	T	31	38
14	R	52	14
	T	51	39
15	R	11	15
	T	32	40
16	R	12	16
	T	33	41
17	R	13	17
	T	34	42
18	R	55	18
	T	54	43
19	R	14	19
	T	35	44
20	R	15	20
	T	36	45
21	R	16	21
	T	37	46
22	R	50	22
	T	57	47
23	R	17	23
	T	38	48
24	R	18	24
	T	39	49

Channel	Signal Name	DB 62 Connector Pin No.	Male RJ21X Pin No.
1	R	44	1
	T	43	26
2	R	23	2
	T	22	27
3	R	2	3
	T	1	28
4	R	3	4
	T	24	29
5	R	4	5
	T	25	30
6	R	46	6
	T	45	31
7	R	5	7
	T	26	32
8	R	6	8
	T	27	33
9	R	7	9
	T	28	34
10	R	49	10
	T	48	35
11	R	8	11
	T	29	36
12	R	9	12
	T	30	37
13	R	10	13
	T	31	38
14	R	52	14
	T	51	39
15	R	11	15
	T	32	40
16	R	12	16
	T	33	41
17	R	13	17
	T	34	42
18	R	55	18
	T	54	43
19	R	14	19
	T	35	44
20	R	15	20
	T	36	45
21	R	16	21
	T	37	46
22	R	50	22
	T	57	47
23	R	17	23
	T	38	48
24	R	18	24
	T	39	49